Removing and installing/replacing complete lock barrel in left or right front door (M4 Coupe, M4 Convertible)
Lever out the sealing (1) and undo the screw in area (A).
Installation note:
Make sure the sealing (1) is correctly fitted on the door.
Insert ignition key into lock barrel.
Turn ignition key slightly and pull off cover (1) in direction of arrow with outside door handle (2) opened slightly.
Installation note:
Lock barrel must be correctly seated in support for outer door handle.
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 or missing.
Gear (4) of lock barrel (3) must not be damaged.