Standard Ignition Door Lock Actuator P/N:DLA821
Replace a worn power lock mechanism with the Standard Ignition Door Lock Actuator DLA1666. It is a direct-fit replacement for many vehicles, among them the 2009-2013 and 2015-2018 BMW M3. See the "Vehicles it fits" section for the full vehicle list and engine details.
This power door lock actuator is the electric unit that moves the door latch between locked and unlocked when the lock switch or remote is used. It is cataloged for the rear and front right positions.
Signs this part may need replacing include a door that no longer locks or unlocks electrically, buzzing or clicking from inside the door, and locks that work only intermittently. Wiring, switches or the latch itself can cause similar symptoms, so diagnose the cause first. If the actuator is at fault, DLA1666 replaces it.
Interchange: 51217229458 · 51217229466 · 51217276668 · 51217318416 · DLA11666 · DLA1756
This part cross-references / interchanges with the following part numbers:
Is this the right door lock actuator for a 2009-2013 BMW M3?
Yes. It is listed for the 2009-2013 and 2015-2018 BMW M3. See the "Vehicles it fits" section to confirm your exact vehicle.
Which position is this door lock actuator for?
The catalog lists DLA1666 for the rear and front right positions on the listed applications.
What does a door lock actuator do?
It is the electric unit inside the door that moves the latch between locked and unlocked when the lock switch or remote is used.
How can I tell if my door lock actuator is failing?
Possible signs include a door that won't lock or unlock electrically, buzzing or clicking inside the door, or intermittent operation. Check the wiring and switches too, since they can cause similar symptoms.
What features does this actuator have?
It has a durable, corrosion-resistant housing that adds to the latch's durability. It is designed to meet Federal Safety Standards intended to reduce the possibility of passenger entrapment.
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WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.