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Bosch 66088 - Electric Fuel Pump
MPN: 66088
The Bosch 66088 Electric Fuel Pump ensures optimal fuel flow for BMW models, enhancing performance and efficiency. Designed for easy installation and long-lasting durability.
Vehicle Specific
Check if this part fits your vehicle.
Product Overview
The Bosch Electric Fuel Pump part number 66088 is engineered for excellence and is the perfect fit for BMW models requiring part number 16 11 6 755 043. This premium-grade fuel pump is designed to deliver exceptional performance and reliability, making it an essential component for any BMW owner who values quality. With its high-pressure performance, the Bosch Electric Fuel Pump ensures that your engine receives a consistent flow of fuel, which is critical for optimal operation. Its durable construction and advanced engineering guarantee that this fuel pump can withstand the toughest driving conditions, providing reliable performance for many years. Choose Bosch 66088 for dependable performance and peace of mind every time you service your vehicle.
Cross Reference Numbers
This Bosch 66088 is equivalent to or replaces the following part numbers: 16 11 6 755 043, 16116755043.
Vehicle Compatibility
This part fits some of the popular models below. For Fitment Confidence, please use the vehicle selector tool above to verify exact compatibility.
- BMW X5 3.0i (2000–2006)
- BMW X5 4.4i (2000–2006)
This may also fit other applications. Please use the vehicle selector tool to verify fitment.
Why Shop at eEuroparts.com?
- Proven Expertise: Over 25 years of experience with European vehicles means we know your car inside and out.
- Exclusive Kits That Fit™ - complete repair solutions with no guesswork
- Fitment Confidence: Our accurate cataloging ensures you get the right part the first time.
- Fast, Reliable Shipping: Orders ship quickly from our U.S.-based warehouses.
- Transparent Pricing: Competitive prices with no hidden fees or surprise charges.
- Established Trust: Serving the European auto community since 2000.
Frequently Asked Questions
What does the Bosch 66088 Electric Fuel Pump do?
The Bosch Electric Fuel Pump is responsible for delivering fuel from the tank to the engine at the required pressure, ensuring optimal engine performance and efficiency.
How do I know if my Electric Fuel Pump needs replacement?
Key symptoms of a failing fuel pump include difficulty starting the engine, engine sputtering at high speeds, reduced power during acceleration, and a noticeable drop in fuel efficiency.
Can I install the Bosch 66088 myself?
What are the symptoms of a faulty Electric Fuel Pump?
Common drivability issues associated with a faulty fuel pump include engine sputtering, stalling, or a rich/lean fuel mixture. If you see DTCs such as P0230, P0231, and P0171, it may indicate a failing Electric Fuel Pump.
Why should I choose Bosch for my Electric Fuel Pump needs?
Bosch is a trusted brand known for quality and performance. Order Bosch 66088 today for a factory-correct replacement that restores safety and performance.
Note: All information on this page and in the FAQ is for general reference only. Verify fitment and consult a professional as needed. eEuroparts.com is not responsible for incorrect part selection or installation.
- BrandBosch
- ManufacturerBosch
- MPN66088
- Part TypeElectric Fuel Pump
- OE Part Numbers16 11 6 755 043, 16116755043
- FeaturesAttachment Type (Fuel Pump Strainer) : Push On
Connector Gender : Female
Connector Quantity : 1
Connector Shape : Square/Rectangle
Electric Or Mechanical : Electric
Electrical : Yes
Filter Included : Yes
Fuel Delivery Type : Fuel Injection
Fuel Filter Included : Yes
Fuel Sending Unit Included : No
Fuel Tank Pressure Sensor Included : No
Fuel Type : Gas
Gasket Or Seal Included : No
Gasket Or Seal Included : Yes
Gasket Or Seal Material : N/A
Grade Type (Premium) : Premium
Hose Length (Fuel Pump) : 0 ft
Housing Material : Metal
Housing Width : 0 mm
In Tank Or External : In Tank
In-Line Pump : N
Inlet Count : 1
Inlet Outside Diameter : 11.1
Inlet Type : OE Type
Inside Diameter : 0 mm
Internal Or External : Internal
Lock Ring Included : No
Material : Mixed
Metered : No
Mounting Hardware Included : No
Mounting Type : OE type
Negative Ground : No
New Or Remanufactured : New
Nozzle Shut Off Valve Included : No
Nozzle Type : Fixed
O-Ring Included : Yes
Outlet Outside Diameter : 11.1
Outlet Outside Diameter : 810 mm
Outlet Quantity : 1
Outlet Type : OE Type
Outside Diameter : 3646 mm
Package Contents : 1 Electric Fuel Pump
Port Quantity : 1
Power Cord Length : 0 ft
Power Source : Battery
Prop 65 Warning Label Required? : No
Pump Design : Electric
Pump Only Or Module : Pump Only
Pump Type : Electric
Regulator Included : No
Rim Shape : Round
Seal And Lock Ring Included : No
Self Priming : Yes
Static Ground Terminal : No
Strainer Included : Yes
Strainer Used With Pump : Yes
Suction Pipe Included : No
Terminal Gender : Male
Terminal Quantity : 2
Terminal Type : Blade
Thickness : 1.5 mm
Universal : No
Voltage : 12
Wire Harness Included : No
Wire Quantity : 24
Wiring Harness Included : No
Wiring Harness Length (mm) : 0 mm
- Fitment
- Fitment TypeVehicle Specific
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 2000 | BMW | X5 | 4.4i (4.4 V8 GAS) | |
| 2001 | BMW | X5 | 3.0i (3.0 L6 GAS) | |
| 2001 | BMW | X5 | 4.4i (4.4 V8 GAS) | |
| 2002 | BMW | X5 | 3.0i (3.0 L6 GAS) | |
| 2002 | BMW | X5 | 4.4i (4.4 V8 GAS) | |
| 2003 | BMW | X5 | 3.0i (3.0 L6 GAS) | |
| 2003 | BMW | X5 | 4.4i (4.4 V8 GAS) | |
| 2004 | BMW | X5 | 3.0i (3.0 L6 GAS) | |
| 2004 | BMW | X5 | 4.4i (4.4 V8 GAS) | |
| 2005 | BMW | X5 | 3.0i (3.0 L6 GAS) | |
| 2005 | BMW | X5 | 4.4i (4.4 V8 GAS) | |
| 2006 | BMW | X5 | 3.0i (3.0 L6 GAS) | |
| 2006 | BMW | X5 | 4.4i (4.4 V8 GAS) |
Warranty Overview
At eEuroparts, we stand behind the quality of the products we sell. Every part we offer is backed by a warranty designed to give you peace of mind and protect your investment.
Standard Warranty – Most Parts
Coverage: 2 years or 24,000 miles (whichever comes first) from purchase date.
Protection: Defects in materials or workmanship under normal personal use.
Eligibility: Applies only to the original purchaser and the vehicle where the part was first installed.
Exclusions:
Wear-and-tear items (brake pads, filters, bulbs, wipers, etc.)
Commercial, fleet, rideshare, off-road, or racing use
Improper installation, misuse, accidents, or modifications
Not Covered: Labor, shipping, towing, or incidental costs.
Bison Performance Warranty – Our House Brand
Coverage: Limited Lifetime Warranty for as long as you own your vehicle.
Applies To: All products sold under the Bison Performance label.
Premium Protection: Goes beyond our standard warranty — if it’s a Bison product, the 2-year/24k mile limit is replaced with lifetime coverage.
Exclusions: Same as the standard warranty (normal wear, commercial use, improper installation, etc.).
What’s Included: Replacement of the defective product (labor and shipping excluded).
Warranty Claim Requirements
To keep claims fast and fair, we require:
Proof of purchase (invoice or order confirmation).
Photos or videos showing the defective part, order number, date, VIN, and odometer reading.
Diagnostic reports or part returns for non-visible issues may be requested.
Claims must be truthful, properly documented, and reflect normal consumer use.
Buy With Confidence: We back our products because we believe in their quality, with a transparent, customer-first warranty process you can trust. And with Bison Performance products, you’ll enjoy Limited Lifetime protection—an assurance few brands can match.
For full details and exclusions, please see our complete Warranty Terms & Conditions.
This summary is for convenience only. For full warranty coverage details, exclusions, and requirements, see our official Warranty Terms & Conditions. In case of conflict, the full policy governs.
Return Policy Overview
Most parts can be returned within 30 days of delivery if unused, uninstalled, and in original packaging.
To start a return, contact customer support via Chat or Contact Us.
Restocking fee: Up to 20% may apply for certain orders (buyer’s remorse, order errors, or special-order items)
Refunds: Issued to your original payment method within 3–5 business days after inspection
Exchanges: Not automatic — please return and reorder
Replacements: May be approved for incorrect or defective items reported within 7 days
Not returnable:
Used or installed parts
Electrical components
Opened filter kits, gaskets, or contaminated items
Final sale or custom orders
Important Notes:
Return shipping is your responsibility unless we made a verified error
Fitment is the customer’s responsibility (we can assist, but do not guarantee)
Country of origin may vary and is not grounds for return
For complete details, please see our full Return Policy.
This Returns summary is provided for convenience only. All returns, refunds, and exchanges are subject to the complete Returns Policy. In the event of any conflict, the full policy governs.
Fast, Reliable Shipping — Straight to Your Door
We ship most orders the same day when placed before 2 PM CST (Monday–Friday). Our main warehouse is just east of Nashville, TN, and we also ship from multiple locations nationwide to get your order to you as quickly as possible.
We use trusted carriers like UPS, FedEx, and USPS.
Tracking info is emailed to you as soon as your order ships.
Delivery estimates at checkout are based on carrier data, but not guaranteed.
Need help with a shipment?
If your order is missing, damaged, or incorrect, just let us know within 5 days of delivery. We’ll walk you through the quick claim process — including a few photos to help us make things right.
For complete details, please see our full Shipping Policy.
This Shipping summary is provided for convenience only. Delivery times, carrier terms, fees, restrictions, risk of loss, and other details are governed by our complete Shipping Policy. In the event of any conflict, the full policy governs.
