Front LH Door Lock Actuator 4-Pin for BMW & Mini | 51217281931

Upgrade your BMW’s central locking system with this high-quality 4-pin front left door lock actuator, engineered to fit a wide range of BMW and Mini models — from the 2, 5, 7 and 8 Series, to the X-series (X1, X2, X3, X4, X5, X6, X7), i3/ix3, and Mini Clubman & Countryman. Designed for reliable performance, this actuator restores smooth and responsive locking and unlocking, eliminating common faults like intermittent locking or “machine-gun” central locking behavior. Built to OEM specifications, it delivers durability and seamless integration for drivers looking to maintain their vehicle’s security and convenience.

OEM Number: 51217281931, 51217487999, 

DOOR LOCK ACTUATOR

Quantity : 1

Operating Mode : Electric

Number Of Pins : 4 -Pin Connector

Fitting Position : Left Front

Vehicle Equipment : For Vehicles Without Door Pull Assist 

Our SKU: TB51217281931_94

All our Front LH Door Lock Actuator 4-Pin Fits BMW F45 F46 F48 F39 G30 G11 G15 G01 G02 are OEM quality and reliable after market car parts. This Front LH Door Lock Actuator 4-Pin Fits BMW F45 F46 F48 F39 G30 G11 G15 G01 G02 is specifically compatible with BMW: 2 Series, 5 Series, 7 Series, 8 Series, i3, iX3, X1, X2, X3, X4, X5, X6, X7, Mini: Mini, Mini Clubman, Mini Countryman, .

Please use our make-model-year tool to check this part's compatibility with your vehicle. However, please note that our tool is for reference only and we recommend that you check the part number on your old unit prior to purchasing.

If you are still not sure about the compatibility of this part to your vehicle, please supply us with the VIN number or Reg number in our live chat or contact form! You can also find details on our purchasing & shipping guide here.

FAQs 

1. How do I know if my BMW door lock actuator is faulty?

Common symptoms include the door not locking/unlocking, intermittent locking, unusual clicking noises, or the central locking system working on some doors but not others. If your driver-side door is unresponsive, the actuator is often the issue.

2. Does this 4-pin actuator fit my BMW model?

Yes, this actuator is designed to fit multiple BMW models including 2 Series, 5 Series, 7 Series, 8 Series, X1, X2, X3, X4, X5, X6, X7, i3, ix3, as well as Mini Clubman and Mini Countryman. Always check your OEM part number or message us with your registration/VIN for confirmation.

3. Is this actuator a direct replacement for the original BMW part?

Absolutely. This unit is built to OEM specifications, meaning it fits and functions just like the original factory actuator, without any modifications needed.

4. Is installation difficult?

Most customers report that installation is straightforward with basic tools. However, if you’re unfamiliar with removing interior door panels or working with locking mechanisms, we recommend professional installation for best results.

5. Will this fix my central locking issues?

If your left-hand front door isn’t locking or unlocking properly, replacing the actuator usually resolves the issue. This part restores smooth and reliable locking performance.

6. Does the product come with a warranty?

Yes, all our actuators come with a 12-month warranty, covering manufacturing defects for peace of mind.

7. Is this actuator compatible with right-hand drive and left-hand drive vehicles?

Yes. Compatibility depends on the door location (Front LH), not driving orientation. This actuator fits the front left-hand door on both RHD and LHD BMW models.

8. How quickly will my order be shipped?

Orders placed before our cutoff time are shipped the same working day. We offer fast UK delivery and international shipping options at checkout.