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          Genuine BMW 51217229458 - Door Lock Actuator Motor

          MPN: 51217229458
          The Genuine BMW 51217229458 Door Lock Actuator Motor ensures reliable locking and unlocking of your vehicle's door, enhancing security and convenience.
          0.0
          Vehicle Specific
          Check if this part fits your vehicle.
          • $233.96
          In stock

          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.

            • eEuroparts SKU
              919224
            • Weight
              1.5 lbs
            • Dimensions (L x W x H)
              18.6235 x 3.5187 x 8.3486 in
            • Manufacturer Part #
              51217229458
          • Brand
            Genuine BMW
          • Manufacturer
            Genuine BMW
          • MPN
            51217229458
          • Part Type
            Door Lock Actuator Motor
          • OE Part Numbers
            51 21 7 229 458, 51217229458, 51217318416
          • Fitment
            • Fitment Type
              Vehicle Specific
          YearMakeModelSubmodelNotes
          2010BMW528iBase (3.0 L6 GAS)Position: Front Right, Notes: from 3-09
          2010BMW750iBase (4.4 V8 GAS)Position: Front Right, Notes: w/o soft close from 3/09, Notes: Exc.Power Door Assist, Incl.Latch
          2010BMW760LiBase (6.0 V12 GAS)Position: Front Right, Notes: w/o soft close from 3/09, Notes: Exc.Power Door Assist, Incl.Latch
          2010BMWM3Base (4.0 V8 GAS)Position: Front Right, Notes: coupe, Notes: Incl.Latch
          2010BMW528i xDriveBase (3.0 L6 GAS)Position: Front Right, Notes: from 3-09
          2010BMW328iBase (3.0 L6 GAS)Position: Front Right, Notes: coupe, Notes: Incl.Latch
          2010BMW535i GTBase (3.0 L6 GAS)Position: Front Right, Notes: w/o soft close doors, Notes: Exc.Power Door Assist, Incl.Latch
          2011BMW335iBase (3.0 L6 GAS)Position: Front Right, Notes: coupe, Notes: Incl.Latch
          2011BMWM3Base (4.0 V8 GAS)Position: Front Right, Notes: coupe, Notes: Incl.Latch
          2011BMW535i xDriveBase (3.0 L6 GAS)Position: Front Right, Notes: w/o soft close doors, Notes: Incl.Latch
          2011BMW550i GTBase (4.4 V8 GAS)Position: Front Right, Notes: Exc.Power Door Assist, Incl.Latch, Notes: w/o soft close doors
          2011BMWAlpina B7Base (4.4 V8 GAS)Position: Front Right, Notes: Exc.Power Door Assist, Incl.Latch
          2011BMW328i xDriveBase (3.0 L6 GAS)Position: Front Right, Notes: coupe, Notes: Incl.Latch, Engine: N51B30A, Engine: N52
          2011BMW550iBase (4.4 V8 GAS)Position: Front Right, Notes: w/o soft close doors
          2011BMW750i xDriveBase (4.4 V8 GAS)Position: Front Right, Notes: w/o soft close from 3/09, Notes: Exc.Power Door Assist, Incl.Latch
          2011BMW740iBase (3.0 L6 GAS)Position: Front Right, Notes: w/o soft close from 3/09, Notes: Exc.Power Door Assist, Incl.Latch
          2011BMWX3xDrive28i (3.0 L6 GAS)Position: Front Right, Notes: w/o alarm system from 10/2010
          2011BMWX3xDrive35i (3.0 L6 GAS)Position: Front Right, Notes: w/o alarm system from 10/2010
          2013BMW335i xDriveBase (3.0 L6 GAS)Position: Front Right, Notes: w/o anti-theft, Notes: Incl.Latch, Notes: Exc.Alarm System, Incl.Latch, Notes: coupe
          2013BMWM3Base (4.0 V8 GAS)Position: Front Right, Notes: coupe, Notes: Incl.Latch
          2013BMW750i xDriveBase (4.4 V8 GAS)Position: Front Right, Notes: Exc.Power Door Assist, Incl.Latch, Notes: w/o soft close from 3/09
          2013BMW535i GTBase (3.0 L6 GAS)Position: Front Right, Notes: Exc.Power Door Assist, Incl.Latch, Notes: w/o soft close doors
          2013BMW535iBase (3.0 L6 GAS)Position: Front Right, Notes: Exc.Power Door Assist, Incl.Latch
          2013BMW535i xDriveBase (3.0 L6 GAS)Position: Front Right, Notes: Exc.Power Door Assist, Incl.Latch
          2013BMW528i xDriveBase (2.0 L4 GAS)Position: Front Right, Notes: Exc.Power Door Assist, Incl.Latch
          2013BMW320iBase (2.0 L4 GAS)Position: Front Right, Notes: Exc.Alarm System, Incl.Latch, Notes: w/o anti-theft
          2013BMWX6M (4.4 V8 GAS)Position: Front Right, Notes: w/o auto close from 3-09
          2013BMWX6xDrive35i (3.0 L6 GAS)Position: Front Right, Notes: w/o auto close from 3-09
          2013BMWX6xDrive50i (4.4 V8 GAS)Position: Front Right, Notes: w/o auto close from 3-09
          2013BMW740iBase (3.0 L6 GAS)Position: Front Right, Notes: w/o soft close from 3/09, Notes: Exc.Power Door Assist, Incl.Latch
          2013BMW328iBase (3.0 L6 GAS)Position: Front Right, Notes: coupe, Notes: Incl.Latch, Notes: w/o anti-theft, Engine: N51B30A, Engine: N52
          2013BMW328iBase (2.0 L4 GAS)Position: Front Right, Notes: coupe, Notes: w/o anti-theft, Notes: Exc.Alarm System, Incl.Latch, Engine: N20B20A, Engine: N26B20A
          2013BMW550i GT xDriveBase (4.4 V8 GAS)Position: Front Right, Notes: w/o soft close doors, Notes: Exc.Power Door Assist, Incl.Latch
          2014BMW328i xDriveBase (2.0 L4 GAS)Position: Front Right, Notes: w/o anti-theft, Notes: Exc.Alarm System, Incl.Latch
          2014BMW550i GTBase (4.4 V8 GAS)Position: Front Right, Notes: w/o soft close doors, Notes: Exc.Power Door Assist, Incl.Latch
          2014BMWX1xDrive28i (2.0 L4 GAS)Position: Front Right, Notes: Incl.Latch
          2014BMW328d xDriveBase (2.0 L4 DIESEL)Position: Front Right, Notes: Exc.Alarm System, Incl.Latch, Notes: w/o anti-theft
          2014BMW740LiBase (3.0 L6 GAS)Position: Front Right, Notes: w/o soft close from 3/09
          2014BMW750LiBase (4.4 V8 GAS)Position: Front Right, Notes: w/o soft close from 3/09
          2014BMW328iBase (2.0 L4 GAS)Position: Front Right, Notes: w/o anti-theft, Notes: Exc.Alarm System, Incl.Latch
          2014BMW335i GT xDriveBase (3.0 L6 GAS)Position: Front Right, Notes: w/o anti-theft, Notes: Exc.Alarm System, Incl.Latch
          2014BMWM235iBase (3.0 L6 GAS)Position: Front Right, Position: Right, Notes: 2014-21, w/o alarm, Notes: Exc.Anti-Theft System, Incl.Latch
          2015BMWM3Base (3.0 L6 GAS)Position: Front Right, Notes: w/o anti-theft, Notes: Incl.Latch
          2015BMW320iBase (2.0 L4 GAS)Position: Front Right, Notes: w/o anti-theft, Notes: Exc.Alarm System, Incl.Latch
          2015BMW740iBase (3.0 L6 GAS)Position: Front Right, Notes: w/o soft close from 3/09
          2015BMWM235i xDriveBase (3.0 L6 GAS)Position: Front Right, Position: Right, Notes: 2014-21, w/o alarm, Notes: Exc.Anti-Theft System, Incl.Latch
          2015BMW335i GT xDriveBase (3.0 L6 GAS)Position: Front Right, Notes: w/o anti-theft, Notes: Exc.Alarm System, Incl.Latch
          2015BMW535i GTBase (3.0 L6 GAS)Position: Front Right, Notes: w/o soft close doors, Notes: Exc.Power Door Assist, Incl.Latch
          2015BMW428i xDriveBase (2.0 L4 GAS)Position: Right, Position: Front Right, Notes: Incl.Latch
          2015BMWActiveHybrid 3Base (3.0 L6 FHEV)Position: Front Right, Notes: Exc.Alarm System, Incl.Latch, Notes: w/o anti-theft
          2015BMW535dBase (3.0 L6 DIESEL)Position: Front Right, Notes: Exc.Power Door Assist, Exc.Alarm System, Incl.Latch
          2015BMW550i GTBase (4.4 V8 GAS)Position: Front Right, Notes: Exc.Power Door Assist, Incl.Latch, Notes: w/o soft close doors
          2015BMW435i Gran CoupeBase (3.0 L6 GAS)Position: Front Right, Notes: Incl.Latch
          2015BMW740Li xDriveBase (3.0 L6 GAS)Position: Front Right, Notes: w/o soft close from 3/09
          2015BMW228i xDriveBase (2.0 L4 GAS)Position: Front Right, Notes: 2014-21, w/o alarm, Notes: Exc.Anti-Theft System, Incl.Latch
          2015BMW328iBase (2.0 L4 GAS)Position: Front Right, Notes: w/o anti-theft, Notes: Exc.Alarm System, Incl.Latch
          2015BMW550i GT xDriveBase (4.4 V8 GAS)Position: Front Right, Notes: w/o soft close doors, Notes: Exc.Power Door Assist, Incl.Latch
          2016BMW435iBase (3.0 L6 GAS)Position: Front Right, Position: Right, Notes: Incl.Latch
          2016BMWM3Base (3.0 L6 GAS)Position: Front Right, Notes: w/o anti-theft, Notes: Incl.Latch
          2016BMWX4xDrive28i (2.0 L4 GAS)Position: Front Right, Notes: Incl.Latch
          2016BMW550i GT xDriveBase (4.4 V8 GAS)Position: Front Right, Notes: Exc.Power Door Assist, Incl.Latch, Notes: w/o soft close doors
          2016BMW428i xDrive Gran CoupeBase (2.0 L4 GAS)Position: Front Right, Notes: Incl.Latch
          2016BMWM4Base (3.0 L6 GAS)Position: Front Right, Position: Right, Notes: Incl.Latch
          2016BMWM4GTS (3.0 L6 GAS)Position: Front Right, Position: Right, Notes: Incl.Latch
          2016BMW340i xDriveBase (3.0 L6 GAS)Position: Front Right, Notes: w/o anti-theft, Notes: Incl.Latch
          2017BMW320i xDriveBase (2.0 L4 GAS)Position: Front Right, Notes: w/o anti-theft, Notes: Exc.Alarm System, Incl.Latch
          2017BMW340iBase (3.0 L6 GAS)Position: Front Right, Notes: w/o anti-theft, Notes: Incl.Latch
          2017BMW330i xDriveBase (2.0 L4 GAS)Position: Front Right, Notes: w/o anti-theft
          2017BMW535i GT xDriveBase (3.0 L6 GAS)Position: Front Right, Notes: w/o soft close doors, Notes: Exc.Power Door Assist, Incl.Latch
          2017BMW230iBase (2.0 L4 GAS)Position: Right, Position: Front Right, Notes: Incl.Latch, Notes: 2014-21, w/o alarm
          2017BMW330iBase (2.0 L4 GAS)Position: Front Right, Notes: Exc.Anti-Theft System, Incl.Latch, Notes: w/o anti-theft
          2017BMWM3Base (3.0 L6 GAS)Position: Front Right, Notes: w/o anti-theft, Notes: Incl.Latch
          2017BMW230i xDriveBase (2.0 L4 GAS)Position: Front Right, Position: Right, Notes: 2014-21, w/o alarm, Notes: Incl.Latch
          2017BMW340i GT xDriveBase (3.0 L6 GAS)Position: Front Right, Notes: w/o anti-theft, Notes: Exc.Anti-Theft System, Incl.Latch
          2017BMW430i xDrive Gran CoupeBase (2.0 L4 GAS)Position: Front Right, Notes: Incl.Latch
          2018BMWM3Base (3.0 L6 GAS)Position: Front Right, Notes: w/o anti-theft, Notes: Incl.Latch
          2018BMW320iBase (2.0 L4 GAS)Position: Front Right, Notes: w/o anti-theft, Notes: Exc.Alarm System, Incl.Latch
          2018BMW430i Gran CoupeBase (2.0 L4 GAS)Position: Front Right, Notes: Incl.Latch
          2018BMWM4Base (3.0 L6 GAS)Position: Front Right, Position: Right, Notes: Incl.Latch
          2018BMW330i xDriveBase (2.0 L4 GAS)Position: Front Right, Notes: w/o anti-theft
          2018BMW340i xDriveBase (3.0 L6 GAS)Position: Front Right, Notes: w/o anti-theft, Notes: Incl.Latch
          2019BMW330i GT xDriveBase (2.0 L4 GAS)Position: Front Right, Notes: w/o anti-theft, Notes: Incl.Latch
          2019BMW430i Gran CoupeBase (2.0 L4 GAS)Position: Front Right, Notes: Incl.Latch
          2019BMW430i xDrive Gran CoupeBase (2.0 L4 GAS)Position: Front Right, Notes: Incl.Latch
          2020BMW440i Gran CoupeBase (3.0 L6 GAS)Position: Front Right, Notes: Incl.Latch
          2020BMW230i xDriveBase (2.0 L4 GAS)Position: Right, Notes: Exc.Anti-Theft System, Incl.Latch
          2020BMW430iBase (2.0 L4 GAS)Position: Right, Position: Front Right, Notes: Incl.Latch
          2020BMW430i xDriveBase (2.0 L4 GAS)Position: Right, Position: Front Right, Notes: Incl.Latch
          2009BMW335iBase (3.0 L6 GAS)Position: Front Right, Notes: Incl.Latch
          2009BMW750LiBase (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
          2009BMW335i xDriveBase (3.0 L6 GAS)Position: Front Right, Notes: Incl.Latch
          2009BMWM5Base (5.0 V10 GAS)Position: Front Right, Notes: from 3-09
          2009BMW535i xDriveBase (3.0 L6 GAS)Position: Front Right, Notes: from 3-09, Notes: From 03/2009, Exc.Power Door Assist, Incl.Latch
          2009BMW128iBase (3.0 L6 GAS)Position: Front Right, Notes: From 03/2009, Incl.Latch
          2009BMW750iBase (4.4 V8 GAS)
          2012BMW328iBase (3.0 L6 GAS)Position: Front Right, Engine: N51B30A, Engine: N52, Notes: Incl.Latch, Notes: w/o anti-theft, Notes: coupe
          2012BMWActiveHybrid 5Base (3.0 L6 FHEV)Position: Front Right, Notes: Exc.Power Door Assist, Incl.Latch
          2012BMW750iBase (4.4 V8 GAS)Position: Front Right, Notes: w/o soft close from 3/09, Notes: Exc.Power Door Assist, Incl.Latch
          2012BMW760LiBase (6.0 V12 GAS)Position: Front Right, Notes: w/o soft close from 3/09, Notes: Exc.Power Door Assist, Incl.Latch
          2012BMW335iBase (3.0 L6 GAS)Position: Front Right, Notes: coupe, Notes: w/o anti-theft, Notes: Incl.Latch
          There are more vehicles this part is compatible with. Check if it fits your vehicle.
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          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.

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