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          Genuine BMW 51217202143 - Door Lock Actuator Motor

          MPN: 51217202143
          The Genuine BMW 51217202143 Door Lock Actuator Motor ensures smooth operation and security for your vehicle's door system. Built to OEM standards for reliable performance.
          0.0
          Vehicle Specific
          Check if this part fits your vehicle.
          • $233.96
          In stock

          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.

            • eEuroparts SKU
              948024
            • Weight
              1.36 lbs
            • Dimensions (L x W x H)
              18.6235 x 3.5187 x 8.3486 in
            • Manufacturer Part #
              51217202143
          • Brand
            Genuine BMW
          • Manufacturer
            Genuine BMW
          • MPN
            51217202143
          • Part Type
            Door Lock Actuator Motor
          • OE Part Numbers
            51 21 7 202 143, 51217202143, 51217318421
          • Fitment
            • Fitment Type
              Vehicle Specific
          YearMakeModelSubmodelNotes
          2004BMW530iBase (3.0 L6 GAS)Position: Front Left, Notes: Incl.Latch
          2004BMWZ42.5i (2.5 L6 GAS)Position: Front Left, Notes: Incl.Latch
          2004BMWZ43.0i (3.0 L6 GAS)Position: Front Left, Notes: Incl.Latch
          2004BMW545iBase (4.4 V8 GAS)Position: Front Left, Notes: Incl.Latch
          2004BMW645CiBase (4.4 V8 GAS)Position: Front Left, Notes: Incl.Latch
          2004BMWX32.5i (2.5 L6 GAS)Position: Front Left, Notes: Incl.Latch
          2004BMWX33.0i (3.0 L6 GAS)Position: Front Left, Notes: Incl.Latch
          2006BMW330iBase (3.0 L6 GAS)Position: Front Left, Notes: Incl.Latch
          2006BMW750LiBase (4.8 V8 GAS)Position: Front Left, Notes: w/o soft close, Notes: Exc.Passive Access System, Exc.Power Door Assist, Incl.Latch
          2006BMW325xiBase (3.0 L6 GAS)Position: Front Left, Notes: Incl.Latch
          2006BMW330xiBase (3.0 L6 GAS)Position: Front Left, Notes: Incl.Latch
          2006BMWZ4Roadster 3.0i (3.0 L6 GAS)Position: Front Left, Notes: Incl.Latch
          2006BMWZ4M Coupe (3.2 L6 GAS)Position: Front Left, Notes: Incl.Latch
          2006BMW325iBase (3.0 L6 GAS)Position: Front Left, Notes: Incl.Latch
          2006BMW530iBase (3.0 L6 GAS)Position: Front Left, Notes: Incl.Latch
          2006BMW550iBase (4.8 V8 GAS)
          2007BMW530iBase (3.0 L6 GAS)Position: Front Left, Notes: Incl.Latch
          2007BMW328xiBase (3.0 L6 GAS)Position: Front Left, Notes: Incl.Latch
          2007BMW750LiBase (4.8 V8 GAS)Position: Front Left, Notes: w/o soft close, Notes: Exc.Passive Access System, Exc.Power Door Assist, Incl.Latch
          2007BMW335xiBase (3.0 L6 GAS)Position: Front Left, Notes: Incl.Latch
          2008BMW328xiBase (3.0 L6 GAS)Position: Front Left, Notes: Incl.Latch
          2008BMW335xiBase (3.0 L6 GAS)Position: Front Left, Notes: Incl.Latch
          2008BMW650iBase (4.8 V8 GAS)Position: Front Left, Notes: Incl.Latch
          2008BMW128iBase (3.0 L6 GAS)Position: Left, Position: Front Left, Notes: Incl.Latch
          2008BMW135iBase (3.0 L6 GAS)Position: Left, Position: Front Left, Notes: Incl.Latch
          2008BMW750LiBase (4.8 V8 GAS)Position: Front Left, Notes: Exc.Passive Access System, Exc.Power Door Assist, Incl.Latch, Notes: w/o soft close
          2009BMW528iBase (3.0 L6 GAS)Position: Front Left, Notes: to 3-09, Notes: Incl.Latch
          2009BMWM3Base (4.0 V8 GAS)Position: Front Left, Notes: Incl.Latch, Notes: From 03/2009, Incl.Latch
          2009BMW750iBase (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
          2009BMW328i xDriveBase (3.0 L6 GAS)Position: Front Left, Notes: To 03/2009, Incl.Latch
          2009BMW328iBase (3.0 L6 GAS)Position: Front Left, Notes: To 03/2009, Incl.Latch, Notes: From 03/2009, Incl.Latch
          2009BMW335iBase (3.0 L6 GAS)Position: Front Left, Notes: Incl.Latch
          2011BMW335iBase (3.0 L6 GAS)Position: Front Left, Notes: convertible, Notes: Incl.Latch
          2011BMW328iBase (3.0 L6 GAS)Position: Front Left, Notes: Incl.Latch, Notes: convertible
          2011BMW328i xDriveBase (3.0 L6 GAS)Position: Front Left, Engine: N51B30A, Engine: N52, Notes: Incl.Latch
          2011BMW550i GTBase (4.4 V8 GAS)Position: Front Left, Notes: Exc.Power Door Assist, Incl.Latch
          2011BMW750i xDriveBase (4.4 V8 GAS)Position: Front Left, Notes: Exc.Power Door Assist, Incl.Latch
          2011BMW335isBase (3.0 L6 GAS)Position: Front Left, Notes: Incl.Latch, Notes: convertible
          2011BMWM3Base (4.0 V8 GAS)Position: Front Left, Notes: Incl.Latch, Notes: convertible
          2011BMWAlpina B7L xDriveBase (4.4 V8 GAS)Position: Front Left, Notes: Exc.Power Door Assist, Incl.Latch
          2011BMW528iBase (3.0 L6 GAS)Position: Front Left, Notes: Incl.Latch
          2011BMW550i GT xDriveBase (4.4 V8 GAS)Position: Front Left, Notes: Exc.Power Door Assist, Incl.Latch
          2012BMW640iBase (3.0 L6 GAS)Position: Front Left, Notes: W/O GRAN COUPE, w/o soft close, Notes: Exc.Power Door Assist, Incl.Latch
          2012BMW135iBase (3.0 L6 GAS)Position: Front Left, Notes: Incl.Latch, Notes: convertible
          2012BMW740iBase (3.0 L6 GAS)Position: Front Left, Notes: Exc.Power Door Assist, Incl.Latch
          2012BMW750i xDriveBase (4.4 V8 GAS)Position: Front Left, Notes: Exc.Power Door Assist, Incl.Latch
          2012BMWX3xDrive28i (3.0 L6 GAS)Position: Front Left, Notes: Incl.Latch
          2012BMW535i GTBase (3.0 L6 GAS)Position: Front Left, Notes: Exc.Power Door Assist, Incl.Latch
          2012BMWZ4sDrive28i (2.0 L4 GAS)Position: Front Left, Notes: Incl.Latch
          2012BMWZ4sDrive35is (3.0 L6 GAS)Position: Front Left, Notes: Incl.Latch
          2013BMWM6Base (4.4 V8 GAS)Position: Front Left, Notes: W/O GRAN COUPE, w/o soft close, Notes: Exc.Power Door Assist, Incl.Latch
          2013BMW135iBase (3.0 L6 GAS)Position: Front Left, Notes: convertible, Notes: Incl.Latch
          2013BMW328iBase (3.0 L6 GAS)Position: Front Left, Notes: convertible, Notes: Incl.Latch, Notes: w/anti-theft, Engine: N52, Engine: N51B30A
          2013BMW328iBase (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
          2013BMW335iBase (3.0 L6 GAS)Position: Front Left, Notes: w/anti-theft, Notes: Incl.Latch, Notes: convertible
          2013BMWActiveHybrid 3Base (3.0 L6 FHEV)Position: Front Left, Notes: w/anti-theft, Notes: Alarm System, Incl.Latch
          2013BMW320i xDriveBase (2.0 L4 GAS)Position: Front Left, Notes: w/anti-theft, Notes: Exc.Alarm System, Comfort Access System, Incl.Latch
          2013BMWX1sDrive28i (2.0 L4 GAS)Position: Front Left, Notes: Incl.Latch
          2013BMW750LiBase (4.4 V8 GAS)Position: Front Left, Notes: Exc.Power Door Assist, Incl.Latch
          2013BMWActiveHybrid 7Base (3.0 L6 FHEV)Position: Front Left, Notes: Exc.Power Door Assist, Incl.Latch
          2014BMW650i Gran CoupeBase (4.4 V8 GAS)Position: Front Left, Notes: GRAN COUPE, w/o soft close, Notes: Exc.Power Door Assist, Incl.Latch
          2014BMW650i xDriveBase (4.4 V8 GAS)Position: Front Left, Notes: W/O GRAN COUPE, w/o soft close, Notes: Exc.Power Door Assist, Incl.Latch
          2014BMW640i xDriveBase (3.0 L6 GAS)Position: Front Left, Notes: W/O GRAN COUPE, w/o soft close, Notes: Exc.Power Door Assist, Incl.Latch
          2014BMW320i xDriveBase (2.0 L4 GAS)Position: Front Left, Notes: w/anti-theft, Notes: Exc.Alarm System, Comfort Access System, Incl.Latch
          2014BMW650iBase (4.4 V8 GAS)Position: Front Left, Notes: Exc.Power Door Assist, Incl.Latch, Notes: W/O GRAN COUPE, w/o soft close
          2014BMWZ4sDrive35i (3.0 L6 GAS)Position: Left, Position: Front Left, Notes: Incl.Latch
          2014BMW650i xDrive Gran CoupeBase (4.4 V8 GAS)Position: Front Left, Notes: Exc.Power Door Assist, Incl.Latch, Notes: GRAN COUPE, w/o soft close
          2014BMW328iBase (2.0 L4 GAS)Position: Front Left, Notes: Exc.Alarm System, Comfort Access System, Incl.Latch, Notes: w/anti-theft
          2014BMW535i GTBase (3.0 L6 GAS)Position: Front Left, Notes: Exc.Power Door Assist, Incl.Latch
          2014BMWM235iBase (3.0 L6 GAS)Position: Left, Position: Front Left, Notes: Anti-Theft System, Incl.Latch, Notes: 2014-21, w/alarm
          2015BMWM6Base (4.4 V8 GAS)Position: Front Left, Notes: W/O GRAN COUPE, w/o soft close, Notes: Exc.Power Door Assist, Incl.Latch
          2015BMW328d xDriveBase (2.0 L4 DIESEL)Position: Front Left, Notes: w/anti-theft, Notes: Alarm System, Incl.Latch
          2015BMW328i xDriveBase (2.0 L4 GAS)Position: Front Left, Notes: w/anti-theft, Notes: Alarm System, Incl.Latch
          2015BMW650i Gran CoupeBase (4.4 V8 GAS)Position: Front Left, Notes: Exc.Power Door Assist, Incl.Latch, Notes: GRAN COUPE, w/o soft close
          2015BMWX3sDrive28i (2.0 L4 GAS)Position: Front Left, Notes: Incl.Latch
          2015BMWActiveHybrid 3Base (3.0 L6 FHEV)Position: Front Left, Notes: Alarm System, Incl.Latch, Notes: w/anti-theft
          2015BMWAlpina B7Base (4.4 V8 GAS)Position: Front Left, Notes: Exc.Power Door Assist, Incl.Latch
          2015BMW228i xDriveBase (2.0 L4 GAS)Position: Front Left, Notes: Anti-Theft System, Incl.Latch, Notes: 2014-21, w/alarm
          2015BMW328dBase (2.0 L4 DIESEL)Position: Front Left, Notes: Alarm System, Incl.Latch, Notes: w/anti-theft
          2015BMW328i GT xDriveBase (2.0 L4 GAS)Position: Front Left, Notes: Alarm System, Incl.Latch, Notes: w/anti-theft
          2015BMW335i xDriveBase (3.0 L6 GAS)Position: Front Left, Notes: Alarm System, Incl.Latch, Notes: w/anti-theft
          2016BMW640i xDriveBase (3.0 L6 GAS)Position: Front Left, Position: Left, Notes: w/o soft close, Notes: Exc.Power Door Assist, Incl.Latch
          2016BMW328iBase (2.0 L4 GAS)Position: Front Left, Notes: Alarm System, Incl.Latch, Notes: w/anti-theft
          2016BMW535d xDriveBase (3.0 L6 DIESEL)Position: Front Left, Notes: Exc.Power Door Assist, Alarm System, Incl.Latch
          2018BMWM240iBase (3.0 L6 GAS)Position: Front Left, Position: Left, Notes: 2014-21, w/alarm, Notes: Anti-Theft System, Incl.Latch
          2018BMWM2Base (3.0 L6 GAS)Position: Front Left, Position: Left, Notes: 2014-21, w/alarm, Notes: Anti-Theft System, Incl.Latch
          2018BMW650iBase (4.4 V8 GAS)Position: Front Left, Position: Left, Notes: w/o soft close, Notes: Exc.Power Door Assist, Incl.Latch
          2018BMWAlpina B6 xDrive Gran CoupeBase (4.4 V8 GAS)Position: Front Left, Notes: Exc.Power Door Assist, Incl.Latch
          2018BMWM6Base (4.4 V8 GAS)Position: Left, Position: Front Left, Notes: Exc.Power Door Assist, Incl.Latch, Notes: w/o soft close
          2018BMW650i Gran CoupeBase (4.4 V8 GAS)Position: Front Left, Notes: Exc.Power Door Assist, Incl.Latch, Notes: w/o soft close
          2019BMWM2Competition (3.0 L6 GAS)Position: Front Left, Position: Left, Notes: 2014-21, w/alarm, Notes: Anti-Theft System, Incl.Latch
          2021BMWM240i xDriveBase (3.0 L6 GAS)Position: Front Left, Notes: 2014-21, w/alarm
          2005BMW760LiBase (6.0 V12 GAS)Position: Front Left, Notes: Exc.Passive Access System, Exc.Power Door Assist, Incl.Latch, Notes: w/o soft close
          2005BMW745iBase (4.4 V8 GAS)Position: Front Left, Notes: w/o soft close, Notes: Exc.Passive Access System, Exc.Power Door Assist, Incl.Latch
          2010BMW335iBase (3.0 L6 GAS)Position: Front Left, Notes: Incl.Latch, Notes: convertible
          2010BMW750LiBase (4.4 V8 GAS)Position: Front Left, Notes: Exc.Power Door Assist, Incl.Latch
          2010BMW550i GTBase (4.4 V8 GAS)Position: Front Left, Notes: Exc.Power Door Assist, Incl.Latch
          2010BMW535i GTBase (3.0 L6 GAS)Position: Front Left, Notes: Exc.Power Door Assist, Incl.Latch
          2017BMW650i xDriveBase (4.4 V8 GAS)Position: Left, Position: Front Left, Notes: Exc.Power Door Assist, Incl.Latch, Notes: w/o soft close
          2017BMWX3xDrive28i (2.0 L4 GAS)Position: Front Left, 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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