In this Vehicle Platform Guide, you will find the top common issues of BMW 3 Series 328i (E90 Sedan) 3.0 L6 Naturally-Aspirated (2007-2011), along with their fault codes, and the solutions from eEuroparts.com
The 2007–2011 BMW 3 Series 328i (E90 Sedan) is a luxury compact sedan powered by a 3.0L inline-6 naturally aspirated engine, delivering 230 horsepower and paired with a 6-speed manual or automatic transmission. Featuring rear-wheel drive, it offers engaging driving dynamics, a refined interior, advanced engineering, and a balance of performance and comfort.
Specifications
Engine and Powertrain
Engine:
3.0L Inline-Six Naturally Aspirated (N52)
Engine Code:
N52B30
Transmission:
6-Speed Manual / 6-Speed Automatic (GM6 or ZF6HP)
Fuel Type:
Gasoline
Horsepower:
230 hp at 6,500 rpm
Torque:
200 lb-ft at 2,750 rpm
Fuel Economy (EPA Estimates)
City/Highway Combined:
18–28 MPG (varies by transmission and drivetrain)
Vehicle Weight
Curb Weight:
~3,340–3,362 lbs
Gross Weight:
~4,398 lbs
Configurations and Submodels
Body Styles:
sedan
Seating Capacity:
5 passengers
Drivetrain Options:
Rear-Wheel Drive (RWD) Optional xDrive All-Wheel Drive (AWD) on 328xi
Top Common Issues with BMW 3 Series 328i (E90 Sedan) 3.0 L6 Naturally-Aspirated (2007-2011):
ABS Wheel Speed Sensor
1. ABS Wheel Speed Sensor Failure
Fault Codes:
Fault codes 5E19, 5E1A, and 5E1B/5E1C indicate issues with wheel-speed sensors or wiring affecting ABS/traction systems.
Why it happens:
ABS wheel speed sensor failure typically occurs due to sensor wear, dirt or debris interference, wiring damage, or exposure to extreme environmental conditions.
Symptoms:
The ABS warning light illuminating on the dashboard.
Loss of ABS function, resulting in locked wheels during hard braking.
Erratic or inconsistent braking behavior, especially on slippery surfaces.
Traction control or stability control systems becoming inoperative.
Inaccurate speedometer readings (in some cases).
Diagnostic fault codes related to wheel speed sensors.
Parts to Replace
Genuine BMW Front 34526870075 is a front-positioned sensor designed to monitor wheel speed and ensure proper functioning of the ABS and traction control systems.
Bosch Front PART # 0986594540 The ABS Wheel Speed Sensor with part number 0986594540, manufactured by Bosch, is a high-quality replacement sensor designed for front wheel applications.
Hella Front 34526870075 The BMW ABS Wheel Speed Sensor with part number 34526870075 is a front-positioned sensor designed to monitor wheel speed and ensure proper functioning of the ABS and traction control systems.
NTK Front AB0103 The NTK ABS Wheel Speed Sensor part number AB0103 is a high-quality replacement part for your BMW.
Fault codes P0556 and P0557 indicate issues with the brake booster pressure sensor, where P0556 points to performance problems, and P0557 signals low pressure detected in the sensor system..
Why it happens:
Brake vacuum pump failure typically occurs due to internal wear, contamination, inadequate lubrication, or exposure to extreme environmental conditions.
Symptoms:
Increased braking effort, making it harder to apply the brakes.
Reduced brake performance or delayed stopping response.
Hissing noises near the brake pedal or vacuum pump area.
Illuminated warning lights, such as the brake system or ABS warning.
Engine performance issues, as the pump may affect vacuum-dependent systems.
Parts to Replace
Rein BMW Power Brake Booster Vacuum Pump BVP0069 The Rein Power Brake Booster Vacuum Pump part number BVP0069 is the perfect solution for BMW owners looking to enhance their vehicle’s brake system.
Front Control Arm Bushing wear typically occurs due to aging, exposure to harsh conditions, or excessive stress from impacts, leading to deterioration of the rubber material.
Symptoms:
Vibrating steering wheel: Increased vibrations, especially during acceleration.
Clunking or banging noises: Sounds from the suspension when driving over bumps.
Uneven tire wear: Irregular wear patterns due to misalignment.
Steering instability: Wandering or pulling to one side while driving.
Reduced braking performance: Affected stability during braking.
Rear trailing arm bushing deterioration typically occurs due to aging, exposure to harsh environmental conditions, or frequent driving on uneven roads, leading to wear and reduced effectiveness.
Symptoms:
Clunking noises: Sounds from the rear axle during acceleration, braking, or driving over bumps.
Uneven tire wear: Irregular wear patterns on rear tires.
Loose or unstable steering: Reduced responsiveness when turning corners.
Vehicle instability: Difficulty maintaining a straight line while driving.
Suspension issues: Increased vibrations or a rougher ride.
Lemforder Suspension Trailing Arm Bushing 30679 01 – Rear Upper The Suspension Trailing Arm Bushing – Rear Upper PART # 30679 01 by Lemforder is an OEM-quality component designed for the rear axle's upper position, ensuring stability and durability.
Front strut mount failure typically occurs due to wear and tear, exposure to harsh road conditions, or degradation of the rubber components over time.
Symptoms:
Clunking or squeaking noises: Sounds during turning or driving over bumps.
Vibrations: Increased vibrations felt through the steering wheel or chassis.
Steering issues: Stiff, loose, or noisy steering.
Uneven tire wear: Irregular patterns due to misalignment.
Poor handling: Reduced stability and responsiveness while driving.
Parts to Replace
Sachs Front 802 397 The BMW Suspension Strut Mount (Front) Sachs 802 397 is a high-quality component designed to provide stability and reduce vibrations in the suspension system.
Lemforder BMW Strut Mount Front 2700101 Lemforder 2700101 is a high-quality OEM component designed to provide stability and reduce vibrations in the suspension system.
Rear shock mount wear typically occurs due to aging, exposure to harsh road conditions, or excessive stress from impacts, leading to deterioration of the rubber or metal components.
Symptoms:
Clunking or knocking noises: Sounds from the rear suspension when driving over bumps or uneven surfaces.
Excessive vibrations: Increased vibrations felt in the cabin or through the chassis.
Poor handling: Reduced stability and control, especially during cornering.
Uneven tire wear: Irregular patterns on rear tires due to misalignment.
Sagging rear suspension: A noticeable drop in the rear of the vehicle.
Parts to Replace
OEM BMW Shock Mount – Rear Lower 33526768544 The Genuine BMW Suspension Control Arm Bumper part number 33526768544 / 33 52 6 768 544 is a superior-quality product designed to enhance the overall performance of your BMW.
Rear Lower 802 547 The BMW Suspension Shock Absorber Mount (Rear Lower) Sachs 802 547 is an OEM-quality component designed to enhance rear suspension stability and durability.
KYB BMW Shock Mount – Rear Lower SM5767 the KYB Shock Mount part number SM5767 for BMW is an essential component for maintaining the smooth ride of your vehicle.
Rear 3086415 Lemfoerder is a high-quality OEM component designed to enhance rear suspension stability and durability.
A failed rear upper control arm (camber arm) typically occurs due to wear and tear, rust, impacts from potholes or accidents, or excessive strain from misalignment or modifications affecting suspension geometry.
Symptoms:
Uneven or accelerated tire wear, especially on one side.
Noticeable clunking or knocking noises from the rear suspension.
Difficulty maintaining proper wheel alignment (issues with camber angles).
Poor vehicle handling or instability, particularly during turns.
Unusual vibrations or wobbling while driving.
Visible damage, cracks, or bending in the control arm upon inspection.
Parts to Replace
Rear Lower Rearward 33326763471 The BMW Rear Lower Control Arm with part number 33326763471 is a suspension component designed for specific BMW models, such as the E82 1 Series and E9X 3 Series.
Rear Upper 33322406292 The BMW Rear Upper Control Arm with part number 33322406292 is a suspension component designed for specific BMW models.
Rear Upper Rearward 3067301 Lemfoerder 3067301 is an OEM-quality suspension component. It is designed to connect the wheel hub to the vehicle's frame, ensuring proper alignment, stability, and handling.
Rear Upper (Rearward) PART # RK641780 The Moog Suspension Control Arm part number RK641780 is the perfect fit for your BMW vehicle. This durable and high-quality product is designed to replace the worn-out or damaged control arm in your car’s suspension system.
The P0335 fault code indicates a malfunction in the crankshaft position sensor "A" circuit, which disrupts the engine's timing and can lead to issues like misfires, stalling, or poor acceleration..
Why it happens:
Crankshaft position sensor failure typically occurs due to wear and tear, electrical issues, or damage to the sensor's magnetic components, disrupting accurate engine timing and performance.
Symptoms:
Difficulty starting the engine: The engine may crank but struggle to start or fail entirely.
Engine stalling: The engine may stall unexpectedly, especially at low speeds.
Poor acceleration: Reduced engine performance and sluggish acceleration.
Misfires: Irregular combustion due to incorrect timing signals.
Check engine light: The dashboard warning light may illuminate, indicating a sensor issue.
Rough idling: Uneven engine performance while idling.
Parts to Replace
OEM BMW Crankshaft Position Sensor 13627525015 is a genuine replacement part designed to monitor the position and rotational speed of the crankshaft, ensuring precise engine timing and optimal performance.
Hella BMW Engine Crankshaft Position Sensor 009163301 Hitachi 009163301 is a high-quality replacement part designed to monitor the position and rotational speed of the crankshaft, ensuring precise engine timing and optimal performance.
Fault code P0300 indicates random or multiple misfires across cylinders, while P0301–P0306 specify misfires in individual cylinders, often caused by issues like faulty spark plugs, ignition coils, fuel injectors, or air-fuel mixture imbalances.
Why it happens:
Ignition coil failure often occurs due to overheating, electrical faults, or wear and tear, disrupting the ignition system's ability to generate sparks for combustion.
Symptoms:
Engine misfires: Irregular combustion causing jerking or hesitation during acceleration.
Difficulty starting: The engine may struggle to start or fail entirely.
Poor fuel economy: Increased fuel consumption due to incomplete combustion.
Check engine light: The dashboard warning light may illuminate.
Rough idling: Uneven engine performance while idling.
Engine stalling: The engine may stall unexpectedly.
Reduced power: Noticeable loss of engine power and performance.
Parts to Replace
PART # 0221504471 by Bosch is a reliable component designed to convert battery voltage into high-voltage energy for spark plugs, ensuring efficient combustion and engine performance.
PART # 48705 The BMW Ignition Coil 48705 by NGK is a high-quality coil-on-plug ignition coil designed to ensure efficient combustion and optimal engine performance.
Coil IGC4049-HU Hitachi IGC4049-HU Direct Ignition Coil is a high-quality replacement part designed for BMW and Mini vehicles.
Hella BMW Mini Ignition Coil–193175491 The Hella direct ignition coil part number 193175491 is designed and engineered to meet the highest standards of quality, performance, and value.
Delphi BMW Ignition Coil (3 External Lams) (White Plastic above Spark Plug Boot) PART # GN10571 This part is a perfect and reliable solution for your BMW or Mini’s ignition system, compatible with the part numbers 12 13 7 594 596 and 12 13 8 616 153
There are no direct OBD-II fault codes for the return hose itself, but related steering system codes may include P0551 (Power Steering Pressure Sensor Circuit Range/Performance) or P0552 (Low Input) when fluid flow or pressure is affected.
Why it happens:
The power steering return hose circulates low-pressure fluid back to the reservoir. Over time, this hose can deteriorate from heat exposure, engine vibration, and constant pressure cycling. Rubber hardening, internal cracks, or loose fittings cause fluid seepage or air intake into the system, reducing hydraulic efficiency and steering responsiveness.
Symptoms:
Power steering fluid leaks – Noticeable fluid pooling under the vehicle, typically below the steering rack or near the reservoir.
Heavier steering effort – Steering becomes stiff or uneven, especially at low speeds or when parking.
Whining or groaning noises – Air entering the system creates a high-pitched whine when turning the wheel.
Low fluid level warning – Frequent need to top off the power steering reservoir.
Burning fluid odor – Leaking fluid can contact hot engine parts, producing a burnt-oil smell.
Steering jerks or vibration – Inconsistent hydraulic pressure results in a choppy or hesitant steering feel.
Parts to Replace
Power Steering Return Hose – Rein PSH0170 – Designed to handle high fluid temperatures and ensure precise flow back to the reservoir. Made with reinforced rubber for OEM-grade durability and perfect fitment.
P0171 and P0174 indicate that the engine's air-fuel mixture is too lean in Banks 1 and 2, leading to potential performance issues like rough idling or reduced power.
Why it happens:
A valve cover gasket leak typically occurs due to wear and tear over time, as exposure to heat causes the gasket to become brittle, crack, or lose its sealing capability, leading to oil leaks.
Symptoms:
Oil leaks: Visible oil seeping from the valve cover area.
Burning oil smell: Oil dripping onto hot engine components, causing a noticeable odor.
Low engine oil levels: Frequent drops in oil levels due to leakage.
Gasket Kit 4195782KIT Elring 4195782KIT is a high-quality replacement kit designed for specific BMW models. It includes essential components such as the valve cover gasket, spark plug hole gaskets, and other seals.
Fault codes 2A37 and 2A47 indicate plausibility issues with the eccentric shaft sensor, which may affect the Valvetronic system's ability to control valve timing and engine performance.
Why it happens:
Eccentric shaft sensor failure typically occurs due to oil contamination, electrical issues, or wear over time, which can disrupt its ability to monitor the eccentric shaft's position accurately.
Symptoms:
Engine warning light: The check engine light may illuminate.
Rough idling: The engine may idle irregularly or vibrate.
Reduced performance: Sluggish acceleration or loss of power.
Increased fuel consumption: A noticeable drop in fuel efficiency.
Valvetronic system issues: Difficulty in controlling valve timing, affecting engine operation.
Eccentric Shaft Position Sensor Kit 3086243KIT eEuroparts Kit 3086243KIT is a high-quality replacement kit designed for specific BMW models. It ensures precise monitoring of the eccentric shaft's position.
P1515 and P1512 fault codes indicate a malfunction in the DISA valve, which affects the intake manifold's ability to adjust airflow for optimal engine performance.
Why it happens:
DISA valve failure often occurs due to wear and tear, broken internal components, or oil contamination, which can compromise its ability to regulate airflow effectively.
Symptoms:
Rattling noise: A distinct rattling sound from the intake manifold area.
Loss of power: Reduced engine performance, especially at mid and high RPMs.
Poor fuel economy: Noticeable decrease in fuel efficiency.
Low-end torque issues: Lack of responsiveness during acceleration at lower RPMs.
Parts to Replace
Upper (DISA Valve) 11617560538 is a genuine replacement part designed to regulate airflow within the intake manifold, optimizing engine performance and efficiency.
Lower (DISA Valve) 11617579114 is a genuine replacement part designed to regulate airflow within the lower portion of the intake manifold, optimizing engine performance and efficiency.
Lower (DISA Valve) ELM0084 The Rein Engine Intake Manifold Adjusting Unit part number ELM0084 for BMW is a high-quality replacement part designed to improve the performance and efficiency of your car’s engine.
Upper (DISA Valve) ELM0085 The Rein Engine Intake Manifold Adjusting Unit, part number ELM0085, is a high-quality component designed for BMW vehicles.
P0012 and P0015 fault codes indicate that the camshaft timing is over-retarded in Bank 1, affecting the intake and exhaust camshafts, which can lead to reduced engine performance and efficiency.
Why it happens:
VANOS solenoid malfunction typically occurs due to oil contamination, clogging, or electrical issues, which can hinder its ability to regulate oil flow for camshaft timing adjustments.
Symptoms:
Loss of power: Noticeable reduction in engine performance, especially at lower RPMs.
Rough idling: The engine may idle unevenly or vibrate.
Increased fuel consumption: A drop in fuel efficiency due to improper valve timing.
Check engine light: Fault codes related to camshaft timing may trigger the warning light.
Cold start issues: Difficulty starting the engine or stalling in cold conditions.
Parts to Replace
OEM BMW Camshaft Solenoid Valve 11367585425 The BMW Camshaft Solenoid Valve 11367585425 is a genuine replacement part designed to regulate oil flow for precise camshaft timing adjustments, ensuring optimal engine performance.
Pierburg BMW Engine Variable Valve Timing (VVT) Solenoid 7.06117.01.0 The BMW Engine Variable Valve Timing (VVT) Solenoid Pierburg 11367585425 by Pierburg is a high-quality replacement part designed to precisely control valve timing, optimizing engine performance and efficiency.
Fault codes 2E82 and 2E81 indicate a malfunction in the electric coolant pump, which can lead to issues like speed deviation or cutoff, potentially causing engine overheating.
Why it happens:
Electric water pump failure often occurs due to overheating, clogging, electrical faults, or wear and tear, which can disrupt its ability to circulate coolant effectively.
Symptoms:
Engine overheating: The engine temperature rises due to insufficient coolant circulation.
Coolant leaks: Visible coolant pooling under the vehicle or near the pump.
Unstable engine temperature: Fluctuating temperature readings on the gauge.
Warning lights: Dashboard indicators like the coolant temperature warning light may illuminate.
Unusual noises: Whining or grinding sounds from the pump area.
The P10E0 fault code indicates an issue with internal oil pressure, which can lead to lean fuel conditions or engine misfires, affecting overall performance.
Why it happens:
Oil filter housing gasket leaks can trigger fault codes related to low oil pressure or oil level, indicating potential engine lubrication issues.
Symptoms:
Oil leaks: Visible oil pooling under the vehicle or around the engine area.
Fault codes P0101 and P0102 indicate issues with the Mass Air Flow (MAF) sensor circuit, such as range or performance problems, which can disrupt accurate air intake measurement and affect engine efficiency.
Why it happens:
Mass Air Flow (MAF) sensor faults typically occur due to contamination, electrical issues, or sensor wear, leading to inaccurate air intake measurements and disrupted engine performance.
Symptoms:
Engine misfires: Irregular combustion due to inaccurate air-fuel mixture.
Poor fuel efficiency: Increased fuel consumption caused by incorrect air intake readings.
Rough idling: Uneven engine performance while idling.
Hard starts: Difficulty starting the engine, especially in cold conditions.
Stalling or hesitation: The engine may stall or hesitate during acceleration.
Parts to Replace
OEM BMW Mass Air Flow Sensor 13627551638 is a genuine replacement part designed to measure the air intake accurately, ensuring optimal engine performance and fuel efficiency.
Hella BMW Mass Air Flow Sensor 009142631 Hella 009142631 is a high-quality replacement part designed to measure air intake accurately, ensuring optimal engine performance and fuel efficiency.
VDO BMW Mass Air Flow Sensor 5WK97508Z VDO 5WK97508Z is a high-quality replacement part designed to measure air intake accurately, ensuring optimal engine performance and fuel efficiency.
Fault codes 2E98 and 2E8B indicate BSD signal faults affecting communication between the alternator, IBS, and ECU, while 2E8E signifies a missing IBS signal, likely due to a faulty or disconnected sensor.
Why it happens:
IBS (Intelligent Battery Sensor) failure often occurs due to dirt, moisture, or corrosion affecting the sensor, or damage caused during battery servicing or replacement.
Symptoms:
Engine not starting: The sensor's malfunction can prevent the engine from starting.
Battery warning light: The dashboard may display a battery-related warning.
Rapid battery drain: The battery may discharge faster than usual.
Electrical issues: Problems like flickering lights or malfunctioning accessories.
Engine stalling: The engine may stall or stutter unexpectedly.
Parts to Replace
Hella IBS Adapter Lead PART # 009429911 Designed to be compatible with part number 61129123571, this battery cable is perfect for anyone looking to replace their old or damaged cable.
Fault code P0AFA indicates low charging system voltage, often linked to hybrid battery or sensor issues, while 2E7C points to a generator malfunction, potentially affecting power generation and battery charging.
Why it happens:
Alternator failure typically occurs due to worn-out components, electrical issues, or external factors like oil leaks or overheating, which compromise its functionality.
Symptoms:
Dimming or flickering lights: Headlights and interior lights may lose brightness.
Battery warning light: The dashboard may display a battery or alternator warning.
Dead battery: Frequent battery drain due to insufficient charging.
Electrical issues: Malfunctioning accessories like power windows or air conditioning.
Engine stalling: The engine may stall or struggle to stay running.
Unusual noises: Grinding or whining sounds from the alternator area.
Burning smell: Overheating alternator components can emit a rubbery or electrical odor.
Parts to Replace
Bosch AL0841N is a high-quality replacement part designed to provide reliable power generation and efficient battery charging.
Valeo BMW Alternator 439560 Valeo 439560 is a premium replacement part engineered to provide reliable power generation and efficient battery charging.
Fault code 27C3 indicates a brake light switch error, often caused by a malfunctioning switch, wiring issues, or a misalignment between the brake pedal and the switch.
Why it happens:
Brake light switch malfunction often occurs due to wear and tear, electrical issues, or mechanical failure, disrupting its ability to signal brake light activation.
Symptoms:
Brake lights not working: They may fail to illuminate when the pedal is pressed.
Brake lights staying on: Lights remain on even when the pedal is released.
Difficulty shifting gears: The gear selector may get stuck in "Park."
Car won't start: Push-button start systems may fail to recognize the brake pedal press.
Cruise control issues: Cruise control may not activate or disengage properly.
Dashboard warning lights: ABS or traction control lights may illuminate.
Parts to Replace
OEM BMW Brake Light Switch 61316967601 The BMW Mini Brake Light Switch 61316967601 is a genuine OEM part designed to ensure proper brake light functionality and safety.
Hella BMW Brake Light Switch 010966401 The BMW Land Rover Mercedes-Benz Brake Light Switch XKD100090L is an OEM-quality part designed to ensure reliable brake light functionality and safety.
Fault code A8AD indicates an adaptive headlight module fault, often due to issues with the headlight's motor or sensors, while A8A7 signifies a control unit communication error.
Why it happens:
Adaptive headlight malfunction often occurs due to sensor issues, wiring problems, condensation inside the headlight assembly, or faults in the control module or stepper motor.
Symptoms:
Unresponsive headlights: They fail to adjust direction based on steering or speed.
Incorrect beam alignment: Headlights may point too high, low, or remain static.
Flickering or dim lights: Reduced brightness or inconsistent illumination.
Dashboard warning: An error message or warning light may appear.
Condensation inside headlights: Moisture buildup can disrupt functionality.
Reduced visibility: Poor performance during turns or in low-light conditions.
Parts to Replace
Control Module 63117182396 The Genuine BMW High Intensity Discharge (HID) Headlight Control Module part number 63117182396 / 63 11 7 182 396 is designed to provide superior lighting performance for your BMW.
Magneti Marelli Headlight Ballast (Xenon) PART # LRB160 The Magneti Marelli High Intensity Discharge (HID) Headlight Control Module part number LRB160 is an essential component for BMW and Mini owners who are looking for reliable headlight control.
OEM BMW Headlight Adjusting Motor 67168352206 The Genuine BMW Headlight Adjusting Motor part number 67168352206 / 67 16 8 352 206 is an essential car part for BMW owners looking to maintain their vehicle’s headlight functionality.
P0087 (Fuel Rail/System Pressure – Too Low), P0191 (Fuel Rail Pressure Sensor Range/Performance), P0171 (System Too Lean – Bank 1)
Why it happens:
The fuel filter and pressure regulator ensure a consistent and clean fuel supply to the engine. Over time, the fuel filter can become clogged with debris, rust, or contaminants, while the pressure regulator may fail due to wear or internal diaphragm damage. This restricts fuel flow and disrupts the correct pressure levels, causing the engine to run lean or misfire.
Symptoms:
Hard starting or long crank time – The engine struggles to start due to low fuel pressure.
Rough idle or stalling – Inconsistent fuel delivery causes unstable idling or sudden shutdowns.
Hesitation under acceleration – Lack of fuel flow results in sluggish or delayed throttle response.
Reduced power and poor performance – The engine feels weak, especially during uphill drives or heavy loads.
Check Engine Light (CEL) – Fault codes related to fuel pressure or lean mixture are commonly triggered.
Decreased fuel efficiency – A clogged filter causes the engine to work harder, consuming more fuel.
Fault code 4F85 relates to Clutch E slippage, 4F8A signals hydraulic pressure issues, and 507D points to gear synchronization problems.
Why it happens:
A Mechatronic Sleeve (Sealing Sleeve) leak typically occurs due to aging, wear and tear, or damage to the O-rings, leading to compromised sealing and fluid leakage.
Symptoms:
Transmission fluid leak: Visible fluid under the vehicle.
Erratic shifting: Difficulty or delays in gear changes.
Warning lights: Transmission or check engine light may illuminate.
Transmission overheating: Caused by low fluid levels.
Slipping gears: Loss of power or inconsistent gear engagement.
Parts to Replace
Sleeve 24347588725 The BMW Sealing Sleeve 24347588725 is a genuine OEM part designed to prevent transmission fluid leaks and ensure proper sealing in the transmission system.
Sleeve (w/ O-Rings) 24157572607 The BMW Sealing Sleeve (w/ O-Rings) 24157572607 is agenuine OEM part designed for the automatic transmission valve body, ensuring a secure seal and preventing fluid leaks.
ZF BMW Sealing Sleeve 0501216272 The ZF Automatic Transmission Valve Body Sealing Sleeve part number 0501 216 272 is a must-have replacement part for the BMW, Jaguar, and Land Rover models.
Transmission Pan Gasket and Filter failure typically occurs due to wear and tear, improper installation, or exposure to extreme temperatures, leading to fluid leaks and reduced transmission efficiency.
Symptoms:
Fluid leaks: Transmission fluid may puddle beneath the vehicle.
Low fluid levels: A drop in fluid levels visible on the dipstick.
Burnt smell: A chemical odor due to overheating from insufficient fluid.
Erratic shifting: Difficulty or delays in gear changes.
Unusual noises: Strange sounds during shifting or while in neutral.
Slipping gears: Loss of power or inconsistent gear engagement.
Parts to Replace
ZF Transmission Oil Pan Kit 4285360 The ZF Automatic Transmission Oil Pan and Filter Kit, part number 4285360 for BMW is a high-quality replacement part that is designed to ensure smooth transmission operations.
A coolant expansion tank leak typically occurs due to cracks, aging plastic, or excessive pressure in the cooling system, leading to coolant escaping and potential engine overheating.
Symptoms:
Visible coolant leaks: Puddles of coolant under the vehicle or around the tank area.
Engine overheating: Insufficient coolant circulation can lead to higher engine temperatures.
Coolant warning light: Dashboard indicators may illuminate, signaling a problem.
Discolored or rusty coolant: Contamination due to leaks can alter the coolant's appearance.
Parts to Replace
OEM BMW Engine Coolant Reservoir 17137640514 The Genuine BMW Engine Coolant Reservoir part number 17137640514 / 17 13 7 640 514 is a high-quality replacement part specifically designed to fit your BMW.
Bison Performance PART # BPET03012 is a high-quality replacement designed to store excess coolant and regulate pressure in the cooling system.
Mahle Coolant Expansion Tank PART # CRT207000S The MAHLE Engine Coolant Reservoir part number CRT207000S is a premium quality replacement for your BMW’s damaged or worn-out coolant reservoir.
Rein BMW Engine Coolant Reservoir EPT0028 The Rein Engine Coolant Reservoir part number EPT0028 for BMW is a quality replacement for your damaged or worn out coolant reservoir.
2. Blower Motor Resistor (Final Stage Unit) Failure
Why it happens:
Blower Motor Resistor (Final Stage Unit) failure often occurs due to overheating, electrical overload, or corrosion, which compromise its ability to regulate fan speed effectively.
Symptoms:
Inconsistent fan speeds: The blower motor may operate erratically, fluctuating between speeds or getting stuck at one speed.
No airflow: The fan may stop working entirely, resulting in no air from the vents. Unresponsive controls: Adjusting the fan speed may have no effect.
Intermittent operation: The blower motor may work sporadically, turning on and off unexpectedly.
Overheating: The resistor may become excessively hot, potentially causing a burning smell.
Parts to Replace
Valeo BMW Blower Motor Regulator–509783 The Valeo HVAC Blower Motor Resistor, part number 509783, is a high-quality replacement part for your BMW’s heating and cooling system.
UAC BMW HVAC Blower Motor Resistor SW 11005C The UAC HVAC Blower Motor Resistor part number SW 11005C for BMW is an essential component that plays a critical role in regulating the speed of the blower motor in your car’s HVAC system.
At eEuroparts.com, we’re your go-to source for keeping your classic BMW E90 328i running strong and true to its legendary heritage. With decades of experience, a vast inventory of premium components, and a dedication to customer satisfaction, we make it easy to restore and maintain your 3 Series to factory standards — affordably and efficiently.
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Conclusion
Your BMW E90 328i is a timeless driving machine — and it deserves parts that match its pedigree. Whether you're tackling engine tuning, electrical repairs, suspension refreshes, or brake upgrades, eEuroparts.com is your reliable partner in keeping your E90 on the road and driving like new. Shop now at eEuroparts.com — your trusted destination for quality BMW E90 parts, fast shipping, and unbeatable value.
Frequently Asked Questions
Why does my 328i suspension feel bouncy or make clunking noises?⌄
This typically indicates worn front control arm bushings, struts, or stabilizer links. BMW’s suspension components are designed for handling precision but can wear quickly under rough conditions. Replacement restores ride comfort and stability.
Why is my BMW 328i’s air conditioning not blowing cold air?⌄
A/C cooling loss may be caused by low refrigerant levels, faulty compressor, or pressure sensor failure. On newer models, a failed A/C clutch relay or control module can also prevent compressor engagement.
What causes my BMW 328i battery to drain overnight?⌄
Battery drain is typically due to a faulty IBS sensor (Intelligent Battery Sensor), alternator diode leakage, or modules not entering sleep mode (such as the radio or comfort access system). A professional parasitic draw test can pinpoint the culprit.
Why do I hear a rattling noise during cold starts on my 328i?⌄
A cold start rattle often indicates timing chain tensioner wear or VANOS actuator problems. Ignoring it can lead to timing chain failure. Inspect the tensioner and guides; replacing them early prevents catastrophic engine damage.
What causes transmission jerking or delayed shifting in the 328i?⌄
Transmission issues may arise from low fluid levels, worn mechatronic seals, or software adaptation errors. Regular transmission fluid changes (every 60–70k miles) and resetting transmission adaptations can smooth out shifting behavior.
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Ignition coils for BMW 3 Series "I needed some ignition coils for my 2006 BMW 3 series. They were reasonably priced, nicely packaged, arrived quickly and we’re a perfect match to the ones being replaced..”- Stephen Chambers
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Apr 13, 2025Celebrating 25 Years of Excellence at eEuropartsSince its inception in 2000, eEuroparts has been dedicated to providing European car owners and enthusiasts throughout the United States with top-quality Genuine, OEM, and premium aftermarket parts. What started as a small passion project has evolved into a prominent player in the auto parts sector, renowned for its dependability, swift shipping, and unparalleled customer service. Over the years, we've successfully processed more than 20 million orders, ensuring that premium European parts are accessible no matter your location.
Aug 18, 2024Saab 9-3 Lower Control Arm Symptoms and ReplacementThe Saab 9-3 is cherished by automotive enthusiasts for its unique design and turbocharged performance, representing a high point in Swedish automotive engineering. This model has fostered a dedicated following, even after Saab's exit from the automotive market. However, like many vehicles that age, the Saab 9-3 presents maintenance challenges, particularly regarding its lower control arm—a key element of the suspension system.
Aug 12, 20242018 Mercedes-Benz Sprinter 2500 Oil Cooler Leaks ExplainedIf you're the proud owner of a 2018 Mercedes-Benz Sprinter 2500, you value its reliability for a variety of uses, from deliveries to road trips. However, like all vehicles, it's not without its issues, with oil cooler leaks being a common concern among owners. While the term oil cooler may sound technical, this guide will simplify the topic and provide you with essential insights.
Aug 6, 20242013 Mercedes-Benz G550 Secondary Air Pump IssuesThe 2013 Mercedes-Benz G550 is a luxurious SUV recognized for its impressive performance and off-road capabilities. A crucial component that ensures its smooth operation and compliance with strict emissions standards is the secondary air pump. This essential part of the emissions system reduces harmful exhaust emissions during the initial startup phase, particularly when the engine is cold.
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