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Genuine BMW 51217229458 - Door Lock Actuator Motor
Genuine BMW Door Lock Actuator - Front Passenger Side 51217229458 - For BMW Vehicles
Manufacturer Part Number: 51217229458
Description
The Genuine BMW Door Lock Actuator Motor (part number 51217229458 / 51 21 7 229 458) is a premium-grade replacement part designed specifically for a wide range of BMW models. Engineered to OEM standards, this door lock actuator motor ensures a reliable and efficient solution for maintaining the security of your vehicle.
Crafted with precision and built to withstand the rigors of daily use, this actuator motor guarantees seamless installation without the need for modifications. It plays a crucial role in the locking and unlocking mechanism of your car door, providing peace of mind by preventing unauthorized access. The robust construction and OEM design highlight its durability, making it a trusted choice among professionals and DIY enthusiasts alike.
Cross Reference Numbers
- BMW:51 21 7 229 458
- BMW:51217318416
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 430i / 2.0L4, 2020-2021
- BMW 430i xDrive / 2.0L4, 2020-2021
- BMW M240i / 3.0L6, 2020-2021
- BMW M2 Competition / 3.0L6, 2020-2021
- BMW 230i / 2.0L4, 2020-2021
- BMW 440i xDrive Gran Coupe / 3.0L6, 2020
- BMW 440i Gran Coupe / 3.0L6, 2020
- BMW M4 / 3.0L6, 2020
- BMW 440i / 3.0L6, 2017-2020
- BMW 230i xDrive / 2.0L4, 2017-2021
Why Shop at eEuroparts.com?
Since 2000, eEuroparts.com has been a trusted destination for European car owners looking for reliable parts at great prices. Here's why customers choose us:
- Proven Expertise: Over 25 years of experience with European vehicles means we know your car inside and out.
- 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 this part do?
The door lock actuator motor is responsible for the locking and unlocking mechanism of your vehicle's door. It ensures secure access to your car by allowing the door to lock or unlock efficiently, thus enhancing the overall safety of your BMW.
What vehicles is this part compatible with?
This part is compatible with various BMW models including the 430i, 430i xDrive, M240i, M2 Competition, 230i, and 440i among others. Please use the vehicle selector tool to confirm fitment for your specific model.
What are common signs this part may need replacement?
Common symptoms of a failing door lock actuator include difficulty locking or unlocking the doors, unusual noises when attempting to engage the locks, and intermittent locking issues. If you experience any of these symptoms, it may be time to replace the actuator.
- BrandGenuine BMW
- ManufacturerGenuine BMW
- MPN51217229458
- Part TypeDoor Lock Actuator Motor
- OE Part Numbers51 21 7 229 458, 51217229458, 51217318416
- Fitment
- Fitment TypeVehicle Specific
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 2010 | BMW | 528i | Base (3.0 L6 GAS) | Position: Front Right, Notes: from 3-09 |
| 2010 | BMW | 750i | Base (4.4 V8 GAS) | Position: Front Right, Notes: w/o soft close from 3/09, Notes: Exc.Power Door Assist, Incl.Latch |
| 2010 | BMW | 760Li | Base (6.0 V12 GAS) | Position: Front Right, Notes: w/o soft close from 3/09, Notes: Exc.Power Door Assist, Incl.Latch |
| 2010 | BMW | M3 | Base (4.0 V8 GAS) | Position: Front Right, Notes: coupe, Notes: Incl.Latch |
| 2010 | BMW | 528i xDrive | Base (3.0 L6 GAS) | Position: Front Right, Notes: from 3-09 |
| 2010 | BMW | 328i | Base (3.0 L6 GAS) | Position: Front Right, Notes: coupe, Notes: Incl.Latch |
| 2010 | BMW | 535i GT | Base (3.0 L6 GAS) | Position: Front Right, Notes: w/o soft close doors, Notes: Exc.Power Door Assist, Incl.Latch |
| 2011 | BMW | 335i | Base (3.0 L6 GAS) | Position: Front Right, Notes: coupe, Notes: Incl.Latch |
| 2011 | BMW | M3 | Base (4.0 V8 GAS) | Position: Front Right, Notes: coupe, Notes: Incl.Latch |
| 2011 | BMW | 535i xDrive | Base (3.0 L6 GAS) | Position: Front Right, Notes: w/o soft close doors, Notes: Incl.Latch |
| 2011 | BMW | 550i GT | Base (4.4 V8 GAS) | Position: Front Right, Notes: Exc.Power Door Assist, Incl.Latch, Notes: w/o soft close doors |
| 2011 | BMW | Alpina B7 | Base (4.4 V8 GAS) | Position: Front Right, Notes: Exc.Power Door Assist, Incl.Latch |
| 2011 | BMW | 328i xDrive | Base (3.0 L6 GAS) | Position: Front Right, Notes: coupe, Notes: Incl.Latch, Engine: N51B30A, Engine: N52 |
| 2011 | BMW | 550i | Base (4.4 V8 GAS) | Position: Front Right, Notes: w/o soft close doors |
| 2011 | BMW | 750i xDrive | Base (4.4 V8 GAS) | Position: Front Right, Notes: w/o soft close from 3/09, Notes: Exc.Power Door Assist, Incl.Latch |
| 2011 | BMW | 740i | Base (3.0 L6 GAS) | Position: Front Right, Notes: w/o soft close from 3/09, Notes: Exc.Power Door Assist, Incl.Latch |
| 2011 | BMW | X3 | xDrive28i (3.0 L6 GAS) | Position: Front Right, Notes: w/o alarm system from 10/2010 |
| 2011 | BMW | X3 | xDrive35i (3.0 L6 GAS) | Position: Front Right, Notes: w/o alarm system from 10/2010 |
| 2013 | BMW | 335i xDrive | Base (3.0 L6 GAS) | Position: Front Right, Notes: w/o anti-theft, Notes: Incl.Latch, Notes: Exc.Alarm System, Incl.Latch, Notes: coupe |
| 2013 | BMW | M3 | Base (4.0 V8 GAS) | Position: Front Right, Notes: coupe, Notes: Incl.Latch |
| 2013 | BMW | 750i xDrive | Base (4.4 V8 GAS) | Position: Front Right, Notes: Exc.Power Door Assist, Incl.Latch, Notes: w/o soft close from 3/09 |
| 2013 | BMW | 535i GT | Base (3.0 L6 GAS) | Position: Front Right, Notes: Exc.Power Door Assist, Incl.Latch, Notes: w/o soft close doors |
| 2013 | BMW | 535i | Base (3.0 L6 GAS) | Position: Front Right, Notes: Exc.Power Door Assist, Incl.Latch |
| 2013 | BMW | 535i xDrive | Base (3.0 L6 GAS) | Position: Front Right, Notes: Exc.Power Door Assist, Incl.Latch |
| 2013 | BMW | 528i xDrive | Base (2.0 L4 GAS) | Position: Front Right, Notes: Exc.Power Door Assist, Incl.Latch |
| 2013 | BMW | 320i | Base (2.0 L4 GAS) | Position: Front Right, Notes: Exc.Alarm System, Incl.Latch, Notes: w/o anti-theft |
| 2013 | BMW | X6 | M (4.4 V8 GAS) | Position: Front Right, Notes: w/o auto close from 3-09 |
| 2013 | BMW | X6 | xDrive35i (3.0 L6 GAS) | Position: Front Right, Notes: w/o auto close from 3-09 |
| 2013 | BMW | X6 | xDrive50i (4.4 V8 GAS) | Position: Front Right, Notes: w/o auto close from 3-09 |
| 2013 | BMW | 740i | Base (3.0 L6 GAS) | Position: Front Right, Notes: w/o soft close from 3/09, Notes: Exc.Power Door Assist, Incl.Latch |
| 2013 | BMW | 328i | Base (3.0 L6 GAS) | Position: Front Right, Notes: coupe, Notes: Incl.Latch, Notes: w/o anti-theft, Engine: N51B30A, Engine: N52 |
| 2013 | BMW | 328i | Base (2.0 L4 GAS) | Position: Front Right, Notes: coupe, Notes: w/o anti-theft, Notes: Exc.Alarm System, Incl.Latch, Engine: N20B20A, Engine: N26B20A |
| 2013 | BMW | 550i GT xDrive | Base (4.4 V8 GAS) | Position: Front Right, Notes: w/o soft close doors, Notes: Exc.Power Door Assist, Incl.Latch |
| 2014 | BMW | 328i xDrive | Base (2.0 L4 GAS) | Position: Front Right, Notes: w/o anti-theft, Notes: Exc.Alarm System, Incl.Latch |
| 2014 | BMW | 550i GT | Base (4.4 V8 GAS) | Position: Front Right, Notes: w/o soft close doors, Notes: Exc.Power Door Assist, Incl.Latch |
| 2014 | BMW | X1 | xDrive28i (2.0 L4 GAS) | Position: Front Right, Notes: Incl.Latch |
| 2014 | BMW | 328d xDrive | Base (2.0 L4 DIESEL) | Position: Front Right, Notes: Exc.Alarm System, Incl.Latch, Notes: w/o anti-theft |
| 2014 | BMW | 740Li | Base (3.0 L6 GAS) | Position: Front Right, Notes: w/o soft close from 3/09 |
| 2014 | BMW | 750Li | Base (4.4 V8 GAS) | Position: Front Right, Notes: w/o soft close from 3/09 |
| 2014 | BMW | 328i | Base (2.0 L4 GAS) | Position: Front Right, Notes: w/o anti-theft, Notes: Exc.Alarm System, Incl.Latch |
| 2014 | BMW | 335i GT xDrive | Base (3.0 L6 GAS) | Position: Front Right, Notes: w/o anti-theft, Notes: Exc.Alarm System, Incl.Latch |
| 2014 | BMW | M235i | Base (3.0 L6 GAS) | Position: Front Right, Position: Right, Notes: 2014-21, w/o alarm, Notes: Exc.Anti-Theft System, Incl.Latch |
| 2015 | BMW | M3 | Base (3.0 L6 GAS) | Position: Front Right, Notes: w/o anti-theft, Notes: Incl.Latch |
| 2015 | BMW | 320i | Base (2.0 L4 GAS) | Position: Front Right, Notes: w/o anti-theft, Notes: Exc.Alarm System, Incl.Latch |
| 2015 | BMW | 740i | Base (3.0 L6 GAS) | Position: Front Right, Notes: w/o soft close from 3/09 |
| 2015 | BMW | M235i xDrive | Base (3.0 L6 GAS) | Position: Front Right, Position: Right, Notes: 2014-21, w/o alarm, Notes: Exc.Anti-Theft System, Incl.Latch |
| 2015 | BMW | 335i GT xDrive | Base (3.0 L6 GAS) | Position: Front Right, Notes: w/o anti-theft, Notes: Exc.Alarm System, Incl.Latch |
| 2015 | BMW | 535i GT | Base (3.0 L6 GAS) | Position: Front Right, Notes: w/o soft close doors, Notes: Exc.Power Door Assist, Incl.Latch |
| 2015 | BMW | 428i xDrive | Base (2.0 L4 GAS) | Position: Right, Position: Front Right, Notes: Incl.Latch |
| 2015 | BMW | ActiveHybrid 3 | Base (3.0 L6 FHEV) | Position: Front Right, Notes: Exc.Alarm System, Incl.Latch, Notes: w/o anti-theft |
| 2015 | BMW | 535d | Base (3.0 L6 DIESEL) | Position: Front Right, Notes: Exc.Power Door Assist, Exc.Alarm System, Incl.Latch |
| 2015 | BMW | 550i GT | Base (4.4 V8 GAS) | Position: Front Right, Notes: Exc.Power Door Assist, Incl.Latch, Notes: w/o soft close doors |
| 2015 | BMW | 435i Gran Coupe | Base (3.0 L6 GAS) | Position: Front Right, Notes: Incl.Latch |
| 2015 | BMW | 740Li xDrive | Base (3.0 L6 GAS) | Position: Front Right, Notes: w/o soft close from 3/09 |
| 2015 | BMW | 228i xDrive | Base (2.0 L4 GAS) | Position: Front Right, Notes: 2014-21, w/o alarm, Notes: Exc.Anti-Theft System, Incl.Latch |
| 2015 | BMW | 328i | Base (2.0 L4 GAS) | Position: Front Right, Notes: w/o anti-theft, Notes: Exc.Alarm System, Incl.Latch |
| 2015 | BMW | 550i GT xDrive | Base (4.4 V8 GAS) | Position: Front Right, Notes: w/o soft close doors, Notes: Exc.Power Door Assist, Incl.Latch |
| 2016 | BMW | 435i | Base (3.0 L6 GAS) | Position: Front Right, Position: Right, Notes: Incl.Latch |
| 2016 | BMW | M3 | Base (3.0 L6 GAS) | Position: Front Right, Notes: w/o anti-theft, Notes: Incl.Latch |
| 2016 | BMW | X4 | xDrive28i (2.0 L4 GAS) | Position: Front Right, Notes: Incl.Latch |
| 2016 | BMW | 550i GT xDrive | Base (4.4 V8 GAS) | Position: Front Right, Notes: Exc.Power Door Assist, Incl.Latch, Notes: w/o soft close doors |
| 2016 | BMW | 428i xDrive Gran Coupe | Base (2.0 L4 GAS) | Position: Front Right, Notes: Incl.Latch |
| 2016 | BMW | M4 | Base (3.0 L6 GAS) | Position: Front Right, Position: Right, Notes: Incl.Latch |
| 2016 | BMW | M4 | GTS (3.0 L6 GAS) | Position: Front Right, Position: Right, Notes: Incl.Latch |
| 2016 | BMW | 340i xDrive | Base (3.0 L6 GAS) | Position: Front Right, Notes: w/o anti-theft, Notes: Incl.Latch |
| 2017 | BMW | 320i xDrive | Base (2.0 L4 GAS) | Position: Front Right, Notes: w/o anti-theft, Notes: Exc.Alarm System, Incl.Latch |
| 2017 | BMW | 340i | Base (3.0 L6 GAS) | Position: Front Right, Notes: w/o anti-theft, Notes: Incl.Latch |
| 2017 | BMW | 330i xDrive | Base (2.0 L4 GAS) | Position: Front Right, Notes: w/o anti-theft |
| 2017 | BMW | 535i GT xDrive | Base (3.0 L6 GAS) | Position: Front Right, Notes: w/o soft close doors, Notes: Exc.Power Door Assist, Incl.Latch |
| 2017 | BMW | 230i | Base (2.0 L4 GAS) | Position: Right, Position: Front Right, Notes: Incl.Latch, Notes: 2014-21, w/o alarm |
| 2017 | BMW | 330i | Base (2.0 L4 GAS) | Position: Front Right, Notes: Exc.Anti-Theft System, Incl.Latch, Notes: w/o anti-theft |
| 2017 | BMW | M3 | Base (3.0 L6 GAS) | Position: Front Right, Notes: w/o anti-theft, Notes: Incl.Latch |
| 2017 | BMW | 230i xDrive | Base (2.0 L4 GAS) | Position: Front Right, Position: Right, Notes: 2014-21, w/o alarm, Notes: Incl.Latch |
| 2017 | BMW | 340i GT xDrive | Base (3.0 L6 GAS) | Position: Front Right, Notes: w/o anti-theft, Notes: Exc.Anti-Theft System, Incl.Latch |
| 2017 | BMW | 430i xDrive Gran Coupe | Base (2.0 L4 GAS) | Position: Front Right, Notes: Incl.Latch |
| 2018 | BMW | M3 | Base (3.0 L6 GAS) | Position: Front Right, Notes: w/o anti-theft, Notes: Incl.Latch |
| 2018 | BMW | 320i | Base (2.0 L4 GAS) | Position: Front Right, Notes: w/o anti-theft, Notes: Exc.Alarm System, Incl.Latch |
| 2018 | BMW | 430i Gran Coupe | Base (2.0 L4 GAS) | Position: Front Right, Notes: Incl.Latch |
| 2018 | BMW | M4 | Base (3.0 L6 GAS) | Position: Front Right, Position: Right, Notes: Incl.Latch |
| 2018 | BMW | 330i xDrive | Base (2.0 L4 GAS) | Position: Front Right, Notes: w/o anti-theft |
| 2018 | BMW | 340i xDrive | Base (3.0 L6 GAS) | Position: Front Right, Notes: w/o anti-theft, Notes: Incl.Latch |
| 2019 | BMW | 330i GT xDrive | Base (2.0 L4 GAS) | Position: Front Right, Notes: w/o anti-theft, Notes: Incl.Latch |
| 2019 | BMW | 430i Gran Coupe | Base (2.0 L4 GAS) | Position: Front Right, Notes: Incl.Latch |
| 2019 | BMW | 430i xDrive Gran Coupe | Base (2.0 L4 GAS) | Position: Front Right, Notes: Incl.Latch |
| 2020 | BMW | 440i Gran Coupe | Base (3.0 L6 GAS) | Position: Front Right, Notes: Incl.Latch |
| 2020 | BMW | 230i xDrive | Base (2.0 L4 GAS) | Position: Right, Notes: Exc.Anti-Theft System, Incl.Latch |
| 2020 | BMW | 430i | Base (2.0 L4 GAS) | Position: Right, Position: Front Right, Notes: Incl.Latch |
| 2020 | BMW | 430i xDrive | Base (2.0 L4 GAS) | Position: Right, Position: Front Right, Notes: Incl.Latch |
| 2009 | BMW | 335i | Base (3.0 L6 GAS) | Position: Front Right, Notes: Incl.Latch |
| 2009 | BMW | 750Li | Base (4.4 V8 GAS) | Position: Front Right, Notes: From 09/2009, Exc.Power Door Assist, Incl.Latch, Notes: w/o soft close from 3/09 |
| 2009 | BMW | 335i xDrive | Base (3.0 L6 GAS) | Position: Front Right, Notes: Incl.Latch |
| 2009 | BMW | M5 | Base (5.0 V10 GAS) | Position: Front Right, Notes: from 3-09 |
| 2009 | BMW | 535i xDrive | Base (3.0 L6 GAS) | Position: Front Right, Notes: from 3-09, Notes: From 03/2009, Exc.Power Door Assist, Incl.Latch |
| 2009 | BMW | 128i | Base (3.0 L6 GAS) | Position: Front Right, Notes: From 03/2009, Incl.Latch |
| 2009 | BMW | 750i | Base (4.4 V8 GAS) | |
| 2012 | BMW | 328i | Base (3.0 L6 GAS) | Position: Front Right, Engine: N51B30A, Engine: N52, Notes: Incl.Latch, Notes: w/o anti-theft, Notes: coupe |
| 2012 | BMW | ActiveHybrid 5 | Base (3.0 L6 FHEV) | Position: Front Right, Notes: Exc.Power Door Assist, Incl.Latch |
| 2012 | BMW | 750i | Base (4.4 V8 GAS) | Position: Front Right, Notes: w/o soft close from 3/09, Notes: Exc.Power Door Assist, Incl.Latch |
| 2012 | BMW | 760Li | Base (6.0 V12 GAS) | Position: Front Right, Notes: w/o soft close from 3/09, Notes: Exc.Power Door Assist, Incl.Latch |
| 2012 | BMW | 335i | Base (3.0 L6 GAS) | Position: Front Right, Notes: coupe, Notes: w/o anti-theft, 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.





