Blycorul Front Right Door Lock Actuator Motor for BMW — Direct-Fit Replacement, 1-Year Warranty

Blycorul’s front right passenger-side door lock actuator motor restores reliable remote locking and smooth door latching for compatible BMW models.

If your BMW’s passenger-door lock is unresponsive, noisy, or intermittently fails to latch or unlock, the actuator motor is often the component that needs replacing. This Blycorul unit is a direct-fit replacement for many BMW 1, 2, 3, 5, 6, 7, M, X, Z and Mini Series applications and swaps in for several OEM part numbers, including 51217202146 and 937-801. It’s designed to match the original electrical connections and mounting points so installation is straightforward for technicians or experienced DIYers.

Which BMW models will this actuator fit?

This actuator covers a broad list of BMW model years and trims across multiple series, including 1/2 Series through 7 Series, M and X performance lines, Z roadsters and some Mini platforms. Use the provided fitment list to confirm compatibility by model year and drivetrain variations such as xDrive and GT configurations. If in doubt, compare the OEM numbers listed below to your vehicle’s existing part.

• Compatible with many 2004–2021 BMW model years across 1, 2, 3, 5, 6, 7, M, X and Z Series.
• Includes fitment for ActiveHybrid and Alpina variants where specified.
• Replaces OE numbers like 937-801, 51214389474, 51217036170 and 51217202146.
• Intended for front right (passenger-side) door applications.

How easy is installation and what should I expect?

Installation is typical for a door actuator swap: remove the door panel, disconnect the old unit, and plug in the replacement. Because this is made to match original mounting points and connectors, most professional shops complete the job quickly; experienced DIYers can perform it with basic trim tools and a socket set. Verify electrical connectors and test locking operation before refitting the door trim.

• Direct connector compatibility — no splicing required in most cases.
• Mounting holes and actuator orientation match OEM layout.
• Test lock/unlock and child-lock functions before reassembly.
• Allow 30–90 minutes depending on skill and door trim complexity.

What performance and reliability features does this Blycorul actuator offer?

This replacement actuator is built to restore reliable locking operation and reduce common symptoms like grinding, slow response, or intermittent failures. Components are chosen to resist the humid, changing environment inside a vehicle door and to provide smooth gear engagement. While individual longevity depends on use and environmental exposure, the unit is backed by a one-year warranty from Blycorul.

• Engineered to match OEM electrical and mechanical specifications.
• Durable internal gearing aimed at quieter operation.
• One-year warranty for parts defects or premature failure.
• Sold as front right passenger-side specific to ensure correct fit.

How do I confirm the correct part number for my car?

Locate the actuator’s part number on the existing unit or check dealership repair guides and online parts catalogs using your VIN. Compare your OEM number to the replacements listed with this product to ensure compatibility. If you’re still unsure, capture a photo of the connector and mounting area and consult a mechanic or Blycorul customer support before purchase.

• Match your vehicle VIN against parts listings for certainty.
• Compare printed OEM numbers like 51217167068 or 51217318424 found on parts.
• Contact Blycorul support with vehicle year, model, and trim for help.
• Photos of your current actuator speed up confirmation.

Who is this for: Drivers, mechanics, and restoration shops looking to replace a failing passenger-side door lock actuator on a wide range of BMW models. It’s also suitable for owners wanting an OEM-compatible unit that installs with original connectors and mounting points, and for anyone who prefers a product backed by a one-year warranty.