Shop OEM BMW Part # 51227281955 (51-22-7-281-955). Lock. Door. Actuator. (Left, Rear). 5 Series; w/o GT Models; w/Soft-Close; Left. 7 Series; w/Auto Soft Close Door; Left. M5; w/Auto Soft

Exc.Power Door Assist. Incl.Latch. Includes Door Lock. Includes Lock. Includes: Door Lock. Mechanism to secure Door to chassis. Motor to Lock and unLock car Door. Power Door Assist. Latch Assembly. Motor.

Door Latch AssemblyDoor Lock Actuator Motor

5 Series; w/o GT Models; w/Soft-Close; Left. 7 Series; w/Auto Soft Close Door; Left. M5; w/Auto Soft Close; Left. W/auto close. W/soft-close. X5; w/Automatic Doors; Left. X6; Left; w/Soft-Close Auto Doors.
Door Lock Actuator - Repair or Replace
Your may need a new door lock actuator if your keyless entry doesn't work or your lock button doesn't lock the doors.