Door Lock Cylinder: Service and Repair

51 21 140 Removing And Installing/Replacing Complete Lock Barrel In Left Or Right Front Door







Lever out cap (1) and release screw underneath.

Installation note:
If necessary, replace faulty trim (1).







Insert ignition key into lock barrel.
Turn ignition key slightly and pull off cover (1) in direction of arrow with outer door handle (2) opened slightly.

Installation note:
Lock barrel must be correctly seated in door lock.

Check function of lock barrel.







Version with light package:

Installation note:
Make sure outside door handle light (1) is correctly positioned in area (2).

Guides (3) of outside door handle light (1) must be correctly seated in support for outer door handle (4).







Replacement

Remove latch mechanisms (1) and detach cover (2) from lock barrel (3).

Installation note:
Latch mechanisms (1) of cover (2) must not be damaged.
Paddle (4) of lock barrel (3) must not be damaged.