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Genuine BMW 51217202143 - Door Lock Actuator Motor
Product Overview
The Genuine BMW Door Lock Actuator Motor (MPN: 51217202143) is a vital component that ensures the proper functioning of your vehicle's door locking mechanism. Designed to meet OEM specifications, this actuator motor guarantees a precise fit and reliable performance for various BMW models, including the M240i and M2 series. By replacing a faulty actuator, you enhance the safety and security of your vehicle's door system. Choose Genuine BMW 51217202143 for dependable performance and peace of mind every time you service your vehicle.
Cross Reference Numbers
This Genuine BMW 51217202143 is equivalent to or replaces the following part numbers: 51 21 7 202 143, 51217318421.
Vehicle Compatibility
- BMW M240i Base 3.0L6 (2014–2021)
- BMW M2 Competition 3.0L6 (2014–2021)
- BMW M240i xDrive Base 3.0L6 (2014–2021)
- BMW 230i Base 2.0L4 (2014–2021)
- BMW 230i xDrive Base 2.0L4 (2014–2021)
- BMW M2 CS 3.0L6 (2020)
- BMW 640i xDrive Gran Coupe 3.0L6 (2019)
- BMW 650i xDrive Gran Coupe 4.4V8 (2019)
- BMW 330i GT xDrive 2.0L4 (2019)
- BMW M3 Base 3.0L6 (2018)
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 Genuine BMW 51217202143 Door Lock Actuator Motor do?
The front driver side door lock actuator motor secures the door in place when closed, allowing for smooth opening and closing while also providing a locking mechanism to enhance vehicle security.
How do I know if my Door Lock Actuator Motor needs replacement?
Common signs that your door lock actuator may need replacement include difficulty in opening or closing the door, a door that does not latch securely, or if the door does not lock properly.
Can I install the Genuine BMW 51217202143 myself?
Yes, the installation of the Genuine BMW 51217202143 Door Lock Actuator Motor can be a DIY task for those with basic automotive skills. However, ensure to follow proper procedures and safety precautions.
What are the symptoms of a faulty Door Lock Actuator Motor?
Symptoms of a faulty door lock actuator may include inconsistent locking and unlocking of the door, inability to secure the door, or unusual noises when attempting to operate the lock. If you suspect issues, it is advisable to consult a professional.
Why should I choose Genuine BMW for my Door Lock Actuator Motor needs?
Genuine BMW parts are designed to meet strict quality standards, ensuring reliability and performance. Order Genuine BMW 51217202143 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.
- BrandGenuine BMW
- ManufacturerGenuine BMW
- MPN51217202143
- Part TypeDoor Lock Actuator Motor
- OE Part Numbers51 21 7 202 143, 51217202143, 51217318421
- Fitment
- Fitment TypeVehicle Specific
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 2004 | BMW | 530i | Base (3.0 L6 GAS) | Position: Front Left, Notes: Incl.Latch |
| 2004 | BMW | Z4 | 2.5i (2.5 L6 GAS) | Position: Front Left, Notes: Incl.Latch |
| 2004 | BMW | Z4 | 3.0i (3.0 L6 GAS) | Position: Front Left, Notes: Incl.Latch |
| 2004 | BMW | 545i | Base (4.4 V8 GAS) | Position: Front Left, Notes: Incl.Latch |
| 2004 | BMW | 645Ci | Base (4.4 V8 GAS) | Position: Front Left, Notes: Incl.Latch |
| 2004 | BMW | X3 | 2.5i (2.5 L6 GAS) | Position: Front Left, Notes: Incl.Latch |
| 2004 | BMW | X3 | 3.0i (3.0 L6 GAS) | Position: Front Left, Notes: Incl.Latch |
| 2006 | BMW | 330i | Base (3.0 L6 GAS) | Position: Front Left, Notes: Incl.Latch |
| 2006 | BMW | 750Li | Base (4.8 V8 GAS) | Position: Front Left, Notes: w/o soft close, Notes: Exc.Passive Access System, Exc.Power Door Assist, Incl.Latch |
| 2006 | BMW | 325xi | Base (3.0 L6 GAS) | Position: Front Left, Notes: Incl.Latch |
| 2006 | BMW | 330xi | Base (3.0 L6 GAS) | Position: Front Left, Notes: Incl.Latch |
| 2006 | BMW | Z4 | Roadster 3.0i (3.0 L6 GAS) | Position: Front Left, Notes: Incl.Latch |
| 2006 | BMW | Z4 | M Coupe (3.2 L6 GAS) | Position: Front Left, Notes: Incl.Latch |
| 2006 | BMW | 325i | Base (3.0 L6 GAS) | Position: Front Left, Notes: Incl.Latch |
| 2006 | BMW | 530i | Base (3.0 L6 GAS) | Position: Front Left, Notes: Incl.Latch |
| 2006 | BMW | 550i | Base (4.8 V8 GAS) | |
| 2007 | BMW | 530i | Base (3.0 L6 GAS) | Position: Front Left, Notes: Incl.Latch |
| 2007 | BMW | 328xi | Base (3.0 L6 GAS) | Position: Front Left, Notes: Incl.Latch |
| 2007 | BMW | 750Li | Base (4.8 V8 GAS) | Position: Front Left, Notes: w/o soft close, Notes: Exc.Passive Access System, Exc.Power Door Assist, Incl.Latch |
| 2007 | BMW | 335xi | Base (3.0 L6 GAS) | Position: Front Left, Notes: Incl.Latch |
| 2008 | BMW | 328xi | Base (3.0 L6 GAS) | Position: Front Left, Notes: Incl.Latch |
| 2008 | BMW | 335xi | Base (3.0 L6 GAS) | Position: Front Left, Notes: Incl.Latch |
| 2008 | BMW | 650i | Base (4.8 V8 GAS) | Position: Front Left, Notes: Incl.Latch |
| 2008 | BMW | 128i | Base (3.0 L6 GAS) | Position: Left, Position: Front Left, Notes: Incl.Latch |
| 2008 | BMW | 135i | Base (3.0 L6 GAS) | Position: Left, Position: Front Left, Notes: Incl.Latch |
| 2008 | BMW | 750Li | Base (4.8 V8 GAS) | Position: Front Left, Notes: Exc.Passive Access System, Exc.Power Door Assist, Incl.Latch, Notes: w/o soft close |
| 2009 | BMW | 528i | Base (3.0 L6 GAS) | Position: Front Left, Notes: to 3-09, Notes: Incl.Latch |
| 2009 | BMW | M3 | Base (4.0 V8 GAS) | Position: Front Left, Notes: Incl.Latch, Notes: From 03/2009, Incl.Latch |
| 2009 | BMW | 750i | Base (4.4 V8 GAS) | Position: Front Left, Notes: w/o soft close to 3/09, Notes: To 09/2009, Exc.Power Door Assist, Incl.Latch |
| 2009 | BMW | 328i xDrive | Base (3.0 L6 GAS) | Position: Front Left, Notes: To 03/2009, Incl.Latch |
| 2009 | BMW | 328i | Base (3.0 L6 GAS) | Position: Front Left, Notes: To 03/2009, Incl.Latch, Notes: From 03/2009, Incl.Latch |
| 2009 | BMW | 335i | Base (3.0 L6 GAS) | Position: Front Left, Notes: Incl.Latch |
| 2011 | BMW | 335i | Base (3.0 L6 GAS) | Position: Front Left, Notes: convertible, Notes: Incl.Latch |
| 2011 | BMW | 328i | Base (3.0 L6 GAS) | Position: Front Left, Notes: Incl.Latch, Notes: convertible |
| 2011 | BMW | 328i xDrive | Base (3.0 L6 GAS) | Position: Front Left, Engine: N51B30A, Engine: N52, Notes: Incl.Latch |
| 2011 | BMW | 550i GT | Base (4.4 V8 GAS) | Position: Front Left, Notes: Exc.Power Door Assist, Incl.Latch |
| 2011 | BMW | 750i xDrive | Base (4.4 V8 GAS) | Position: Front Left, Notes: Exc.Power Door Assist, Incl.Latch |
| 2011 | BMW | 335is | Base (3.0 L6 GAS) | Position: Front Left, Notes: Incl.Latch, Notes: convertible |
| 2011 | BMW | M3 | Base (4.0 V8 GAS) | Position: Front Left, Notes: Incl.Latch, Notes: convertible |
| 2011 | BMW | Alpina B7L xDrive | Base (4.4 V8 GAS) | Position: Front Left, Notes: Exc.Power Door Assist, Incl.Latch |
| 2011 | BMW | 528i | Base (3.0 L6 GAS) | Position: Front Left, Notes: Incl.Latch |
| 2011 | BMW | 550i GT xDrive | Base (4.4 V8 GAS) | Position: Front Left, Notes: Exc.Power Door Assist, Incl.Latch |
| 2012 | BMW | 640i | Base (3.0 L6 GAS) | Position: Front Left, Notes: W/O GRAN COUPE, w/o soft close, Notes: Exc.Power Door Assist, Incl.Latch |
| 2012 | BMW | 135i | Base (3.0 L6 GAS) | Position: Front Left, Notes: Incl.Latch, Notes: convertible |
| 2012 | BMW | 740i | Base (3.0 L6 GAS) | Position: Front Left, Notes: Exc.Power Door Assist, Incl.Latch |
| 2012 | BMW | 750i xDrive | Base (4.4 V8 GAS) | Position: Front Left, Notes: Exc.Power Door Assist, Incl.Latch |
| 2012 | BMW | X3 | xDrive28i (3.0 L6 GAS) | Position: Front Left, Notes: Incl.Latch |
| 2012 | BMW | 535i GT | Base (3.0 L6 GAS) | Position: Front Left, Notes: Exc.Power Door Assist, Incl.Latch |
| 2012 | BMW | Z4 | sDrive28i (2.0 L4 GAS) | Position: Front Left, Notes: Incl.Latch |
| 2012 | BMW | Z4 | sDrive35is (3.0 L6 GAS) | Position: Front Left, Notes: Incl.Latch |
| 2013 | BMW | M6 | Base (4.4 V8 GAS) | Position: Front Left, Notes: W/O GRAN COUPE, w/o soft close, Notes: Exc.Power Door Assist, Incl.Latch |
| 2013 | BMW | 135i | Base (3.0 L6 GAS) | Position: Front Left, Notes: convertible, Notes: Incl.Latch |
| 2013 | BMW | 328i | Base (3.0 L6 GAS) | Position: Front Left, Notes: convertible, Notes: Incl.Latch, Notes: w/anti-theft, Engine: N52, Engine: N51B30A |
| 2013 | BMW | 328i | Base (2.0 L4 GAS) | Position: Front Left, Notes: convertible, Notes: Alarm System, Comfort Access System, Incl.Latch, Notes: Exc.Alarm System, Comfort Access System, Incl.Latch, Notes: w/anti-theft, Engine: N26B20A, Engine: N20B20A |
| 2013 | BMW | 335i | Base (3.0 L6 GAS) | Position: Front Left, Notes: w/anti-theft, Notes: Incl.Latch, Notes: convertible |
| 2013 | BMW | ActiveHybrid 3 | Base (3.0 L6 FHEV) | Position: Front Left, Notes: w/anti-theft, Notes: Alarm System, Incl.Latch |
| 2013 | BMW | 320i xDrive | Base (2.0 L4 GAS) | Position: Front Left, Notes: w/anti-theft, Notes: Exc.Alarm System, Comfort Access System, Incl.Latch |
| 2013 | BMW | X1 | sDrive28i (2.0 L4 GAS) | Position: Front Left, Notes: Incl.Latch |
| 2013 | BMW | 750Li | Base (4.4 V8 GAS) | Position: Front Left, Notes: Exc.Power Door Assist, Incl.Latch |
| 2013 | BMW | ActiveHybrid 7 | Base (3.0 L6 FHEV) | Position: Front Left, Notes: Exc.Power Door Assist, Incl.Latch |
| 2014 | BMW | 650i Gran Coupe | Base (4.4 V8 GAS) | Position: Front Left, Notes: GRAN COUPE, w/o soft close, Notes: Exc.Power Door Assist, Incl.Latch |
| 2014 | BMW | 650i xDrive | Base (4.4 V8 GAS) | Position: Front Left, Notes: W/O GRAN COUPE, w/o soft close, Notes: Exc.Power Door Assist, Incl.Latch |
| 2014 | BMW | 640i xDrive | Base (3.0 L6 GAS) | Position: Front Left, Notes: W/O GRAN COUPE, w/o soft close, Notes: Exc.Power Door Assist, Incl.Latch |
| 2014 | BMW | 320i xDrive | Base (2.0 L4 GAS) | Position: Front Left, Notes: w/anti-theft, Notes: Exc.Alarm System, Comfort Access System, Incl.Latch |
| 2014 | BMW | 650i | Base (4.4 V8 GAS) | Position: Front Left, Notes: Exc.Power Door Assist, Incl.Latch, Notes: W/O GRAN COUPE, w/o soft close |
| 2014 | BMW | Z4 | sDrive35i (3.0 L6 GAS) | Position: Left, Position: Front Left, Notes: Incl.Latch |
| 2014 | BMW | 650i xDrive Gran Coupe | Base (4.4 V8 GAS) | Position: Front Left, Notes: Exc.Power Door Assist, Incl.Latch, Notes: GRAN COUPE, w/o soft close |
| 2014 | BMW | 328i | Base (2.0 L4 GAS) | Position: Front Left, Notes: Exc.Alarm System, Comfort Access System, Incl.Latch, Notes: w/anti-theft |
| 2014 | BMW | 535i GT | Base (3.0 L6 GAS) | Position: Front Left, Notes: Exc.Power Door Assist, Incl.Latch |
| 2014 | BMW | M235i | Base (3.0 L6 GAS) | Position: Left, Position: Front Left, Notes: Anti-Theft System, Incl.Latch, Notes: 2014-21, w/alarm |
| 2015 | BMW | M6 | Base (4.4 V8 GAS) | Position: Front Left, Notes: W/O GRAN COUPE, w/o soft close, Notes: Exc.Power Door Assist, Incl.Latch |
| 2015 | BMW | 328d xDrive | Base (2.0 L4 DIESEL) | Position: Front Left, Notes: w/anti-theft, Notes: Alarm System, Incl.Latch |
| 2015 | BMW | 328i xDrive | Base (2.0 L4 GAS) | Position: Front Left, Notes: w/anti-theft, Notes: Alarm System, Incl.Latch |
| 2015 | BMW | 650i Gran Coupe | Base (4.4 V8 GAS) | Position: Front Left, Notes: Exc.Power Door Assist, Incl.Latch, Notes: GRAN COUPE, w/o soft close |
| 2015 | BMW | X3 | sDrive28i (2.0 L4 GAS) | Position: Front Left, Notes: Incl.Latch |
| 2015 | BMW | ActiveHybrid 3 | Base (3.0 L6 FHEV) | Position: Front Left, Notes: Alarm System, Incl.Latch, Notes: w/anti-theft |
| 2015 | BMW | Alpina B7 | Base (4.4 V8 GAS) | Position: Front Left, Notes: Exc.Power Door Assist, Incl.Latch |
| 2015 | BMW | 228i xDrive | Base (2.0 L4 GAS) | Position: Front Left, Notes: Anti-Theft System, Incl.Latch, Notes: 2014-21, w/alarm |
| 2015 | BMW | 328d | Base (2.0 L4 DIESEL) | Position: Front Left, Notes: Alarm System, Incl.Latch, Notes: w/anti-theft |
| 2015 | BMW | 328i GT xDrive | Base (2.0 L4 GAS) | Position: Front Left, Notes: Alarm System, Incl.Latch, Notes: w/anti-theft |
| 2015 | BMW | 335i xDrive | Base (3.0 L6 GAS) | Position: Front Left, Notes: Alarm System, Incl.Latch, Notes: w/anti-theft |
| 2016 | BMW | 640i xDrive | Base (3.0 L6 GAS) | Position: Front Left, Position: Left, Notes: w/o soft close, Notes: Exc.Power Door Assist, Incl.Latch |
| 2016 | BMW | 328i | Base (2.0 L4 GAS) | Position: Front Left, Notes: Alarm System, Incl.Latch, Notes: w/anti-theft |
| 2016 | BMW | 535d xDrive | Base (3.0 L6 DIESEL) | Position: Front Left, Notes: Exc.Power Door Assist, Alarm System, Incl.Latch |
| 2018 | BMW | M240i | Base (3.0 L6 GAS) | Position: Front Left, Position: Left, Notes: 2014-21, w/alarm, Notes: Anti-Theft System, Incl.Latch |
| 2018 | BMW | M2 | Base (3.0 L6 GAS) | Position: Front Left, Position: Left, Notes: 2014-21, w/alarm, Notes: Anti-Theft System, Incl.Latch |
| 2018 | BMW | 650i | Base (4.4 V8 GAS) | Position: Front Left, Position: Left, Notes: w/o soft close, Notes: Exc.Power Door Assist, Incl.Latch |
| 2018 | BMW | Alpina B6 xDrive Gran Coupe | Base (4.4 V8 GAS) | Position: Front Left, Notes: Exc.Power Door Assist, Incl.Latch |
| 2018 | BMW | M6 | Base (4.4 V8 GAS) | Position: Left, Position: Front Left, Notes: Exc.Power Door Assist, Incl.Latch, Notes: w/o soft close |
| 2018 | BMW | 650i Gran Coupe | Base (4.4 V8 GAS) | Position: Front Left, Notes: Exc.Power Door Assist, Incl.Latch, Notes: w/o soft close |
| 2019 | BMW | M2 | Competition (3.0 L6 GAS) | Position: Front Left, Position: Left, Notes: 2014-21, w/alarm, Notes: Anti-Theft System, Incl.Latch |
| 2021 | BMW | M240i xDrive | Base (3.0 L6 GAS) | Position: Front Left, Notes: 2014-21, w/alarm |
| 2005 | BMW | 760Li | Base (6.0 V12 GAS) | Position: Front Left, Notes: Exc.Passive Access System, Exc.Power Door Assist, Incl.Latch, Notes: w/o soft close |
| 2005 | BMW | 745i | Base (4.4 V8 GAS) | Position: Front Left, Notes: w/o soft close, Notes: Exc.Passive Access System, Exc.Power Door Assist, Incl.Latch |
| 2010 | BMW | 335i | Base (3.0 L6 GAS) | Position: Front Left, Notes: Incl.Latch, Notes: convertible |
| 2010 | BMW | 750Li | Base (4.4 V8 GAS) | Position: Front Left, Notes: Exc.Power Door Assist, Incl.Latch |
| 2010 | BMW | 550i GT | Base (4.4 V8 GAS) | Position: Front Left, Notes: Exc.Power Door Assist, Incl.Latch |
| 2010 | BMW | 535i GT | Base (3.0 L6 GAS) | Position: Front Left, Notes: Exc.Power Door Assist, Incl.Latch |
| 2017 | BMW | 650i xDrive | Base (4.4 V8 GAS) | Position: Left, Position: Front Left, Notes: Exc.Power Door Assist, Incl.Latch, Notes: w/o soft close |
| 2017 | BMW | X3 | xDrive28i (2.0 L4 GAS) | Position: Front Left, Notes: Incl.Latch |
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.





