BMW Front LH Door Lock Actuator (4-Pin) – Fits 2/5/7/8 Series, X, i3 & Mini

Check part compatibility by using our vehicle filter options below. If you find your car, this part is compatible.

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_313

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. What BMW / Mini models does this 4-pin front left door lock actuator fit?
This actuator is compatible with a wide range of models, including BMW 2, 5, 7, 8, and X Series (X1–X7), plus the i3 / ix3, and Mini models such as Clubman and Countryman. Always double-check with your VIN or OEM part number to confirm exact fitment.

2. How can I tell if my current door lock actuator is failing?
Common signs include intermittent locking/unlocking, “machine-gun” style rapid central locking, slow or noisy lock operation, or the door not locking or unlocking at all.

3. What causes a BMW door lock actuator to fail?
Failures often stem from worn internal gears or motor burnout, electrical issues (e.g. chafed wiring), or blown fuses. Corrosion and contamination inside the actuator can also shorten its lifespan.

4. Could something else be causing the locking problem instead of the actuator?
Yes, sometimes wiring faults, blown fuses, or a failing control module can mimic actuator failure. It’s best to diagnose these before assuming the actuator is faulty.

5. Is this actuator a direct OEM replacement?
 this 4-pin actuator is aftermarket part designed to match OEM specifications for a seamless and reliable replacement.

6. How difficult is the installation?
Installation typically involves removing the door panel and reconnecting wiring. While the job is manageable for experienced DIYers, if you’re not comfortable working on door internals, we recommend professional installation.

7. Can replacing this actuator fix my entire central locking issue?
If the problem is isolated to the front left door, then replacing the actuator should resolve the issue. But if the issue affects multiple doors, you should also inspect wiring, fuses, and the central locking control module.

8. What happens if a fuse keeps blowing after replacing the actuator?
A recurring blown fuse may indicate an actuator that is drawing too much current (a sign of internal fault) or underlying wiring issues. Make sure to address this properly rather than just replacing the fuse.

9. Does the product come with a warranty?
Yes, our actuators typically include a 12-month warranty covering manufacturing defects. (Please check the listing or contact us for specific warranty details.)

1. Standard Shipping (Free) - Please allow 1-3 days for your order to be delivered 
2. DPD Next Day (£4.99) - Please place orders between Monday - Thursday before 4 PM UK time. This service applies to UK Mainland orders only.
3. Royal Mail Special Special Saturday Delivery (£19) - Please place orders between Monday - Friday before 3 PM UK time. 
4. International - Rates vary based on product size. Please enquire for further details. 

We do not provide any guarantees on shipping times, as we are reliant on 3rd parties. However, we strive to ensure that our customers are always satisfied.

All products are protected by a upto 10 year worry-free warranty depending on Part 

Warranty Coverage: Eligibility: To be eligible for 10-year warranty coverage, the car part must be fitted by a certified professional mechanic. Proof of fitment, including the mechanic's certification, must be submitted to Amesplan LTD within 30 days of the part's purchase date. Please send supporting documentation to us via email.In case a purchased product becomes faulty during its warranty period, for reasons unrelated to your acts, omissions or misuse of the goods, you must promptly notify us and fill out a warranty claim form. 

Warranty Non-Coverage: We do not have any liability for any defect arising from normal wear & tear, wilful damage, negligence, tampering of the goods, incorrect fitting of the goods by you and/or a third party. We are also not liable for any abnormal working conditions, alteration or repair of the goods or a failure to follow goods manufacturers' instructions (whether oral or in writing) 

We have a 180-day return policy, which means you have 180 days after receiving your item to request a return. 

To be eligible for a return, your item must be in the same condition that you received it, unused, and in its original packaging. You will also need the receipt or proof of purchase. 

For All Return buyers pay Return Postage.Returns will only be processed after we receive the approved part and a member of our team fully inspects the returned item & successfully matches the returned part to the return reason. 

For All UK orders, we offer free return. We do not offer any reimbursement of shipping costs for Any orders on original sale like Next Day Postage. 

For All Outside UK order  We do not offer any reimbursement of shipping costs for Any orders on either the original sale or the return. 

Please direct all questions to sales@d2pautoparts.com. 

Damages and issues 
Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, so that we can evaluate the issue and make it right.

Exchanges 

The fastest way to ensure you get what you want is to return the item you have, and once the return is accepted, make a separate purchase for the new item.

Refunds 
We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method. Please remember it can take some time for your bank or credit card company to process and post the refund.