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Bosch AL0814N - Alternator
Product Overview
The Bosch Alternator (150A) AL0814N is engineered to meet or exceed OEM standards, providing reliable power for your BMW vehicle. This premium-grade alternator is designed to convert alternating current (AC) into direct current (DC), ensuring your vehicle's electrical systems function effectively. With a robust design and reliable performance, it is an essential component for maintaining your vehicle's electrical health. Choose Bosch AL0814N for dependable performance and peace of mind every time you service your vehicle.
Cross Reference Numbers
This Bosch AL0814N is equivalent to or replaces the following part numbers: 12317519723, 12317541694, 12317546284, 12317546285.
Vehicle Compatibility
- BMW X3 3.0i (2004–2006)
- BMW 325Ci Base (2004–2005)
- BMW 325i Base (2003–2005)
- BMW 525i Base (2004–2005)
- BMW 530i Base (2004–2005)
- BMW X3 2.5i (2005)
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 Fitâ„¢ - 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 AL0814N Alternator do?
The alternator is responsible for generating electrical power to recharge the battery and power the electrical systems of your vehicle while the engine is running. It converts mechanical energy from the engine into electrical energy, ensuring that all electrical components have the necessary power for operation.
How do I know if my Alternator needs replacement?
Common symptoms of a failing alternator include dimming headlights, electrical issues, a dead battery, and unusual sounds from the engine bay. If you notice a battery warning light on your dashboard, it's advisable to have the alternator inspected.
Can I install the Bosch AL0814N myself?
Yes, the Bosch AL0814N can be installed as a DIY project, but proper precautions should be taken. Ensure that you have the necessary tools and follow specific installation guidelines for your vehicle model.
What are the symptoms of a faulty Alternator?
Symptoms of a faulty alternator include dim or flickering dashboard lights, difficulty starting the vehicle, and a battery that drains quickly. If you see DTCs such as P0562 (System Voltage Low), P0620 (Alternator Generator Fault), and P0630 (Generator Terminal Voltage), it may indicate a failing alternator.
Why should I choose Bosch for my Alternator needs?
Choosing Bosch ensures you receive a part that meets OEM standards and offers long-lasting reliability. Order Bosch AL0814N 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
- MPNAL0814N
- Part TypeAlternator
- OE Part Numbers12317541694, 12317546285, 12317519723
- FeaturesAlternator Finish : Aluminum
Alternator/Generator Rotation : Clockwise
Amperage Rating : 150
Brushless : No
Case Material : Aluminum
External Fan Included : Yes
External Regulator Included : Yes
Fan Type : Internal
New Or Remanufactured : New
Outside Pulley Diameter : 50
Plug Clock Rear View Main Mounting Ear at 6 O Clock : 2
Product Length : 7.598425 in
Prop 65 Warning Label Required? : No
Pulley Groove Quantity : 6
Pulley Included : Yes
Pulley Type / Belt Type (Alternator) : 6S
Regulator Type : Internal
Voltage : 14
- Fitment
- Fitment TypeVehicle Specific
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 2004 | BMW | 525i | Base (2.5 L6 GAS) | Notes: From 03/2004, To 02/2004, To 155 Amp Alternator, To 150 Amp Alternator |
| 2004 | BMW | 530i | Base (3.0 L6 GAS) | Notes: To 02/2004, From 03/2004, To 150 Amp Alternator, To 155 Amp Alternator |
| 2004 | BMW | X3 | 3.0i (3.0 L6 GAS) | Notes: To 150 Amp Alternator |
| 2004 | BMW | X3 | 2.5i (2.5 L6 GAS) | Notes: To 150 Amp Alternator |
| 2004 | BMW | 325Ci | Base (2.5 L6 GAS) | Engine: M56 |
| 2004 | BMW | 325i | Base (2.5 L6 GAS) | Notes: To 155 Amp Alternator, Notes: without Alternator Cooling Duct, To 150 Amp Alternator, Engine: M56 |
| 2005 | BMW | X3 | 3.0i (3.0 L6 GAS) | Notes: To 150 Amp Alternator |
| 2005 | BMW | X3 | 2.5i (2.5 L6 GAS) | Notes: To 150 Amp Alternator |
| 2005 | BMW | 525i | Base (2.5 L6 GAS) | Notes: To 155 Amp Alternator |
| 2005 | BMW | 530i | Base (3.0 L6 GAS) | Notes: To 155 Amp Alternator |
| 2005 | BMW | 325Ci | Base (2.5 L6 GAS) | Engine: M56 |
| 2005 | BMW | 325i | Base (2.5 L6 GAS) | Engine: M56, Notes: To 155 Amp Alternator |
| 2006 | BMW | X3 | 3.0i (3.0 L6 GAS) | Notes: To 150 Amp Alternator |
| 2003 | BMW | 325i | Base (2.5 L6 GAS) | Notes: To 155 Amp Alternator |
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.


























