Removing and Installing/Replacing Complete Lock Cylinder In Left or Right Front Door

51 21 140 Removing And Installing/replacing Complete Lock Cylinder In Left Or Right Front Door







Compact only:
Lever out cover (1).

NOTE:
2 Cover for outside handle
3 Cover for adjusting door lock







Convertible/coupe only:
Only lever out cover (1) to such an extent that bore (2) is accessible.







Saloon/sedan/touring only:
Lever out trim (1).

Installation:
Fit new plate (1).







All models:
Release screw (1).

NOTE:
Thread of screw (1):
M6 Build date up to 09/00
M5 Build date from 09/00







Removing cover (1) on outside handle:
A Pull cover (1) approx. 1 to 2 mm towards rear.
B Detach cover (1) with lock cylinder (2) towards outside.







Installation:
Notch (2) on paddle mount (1) must be secured in catch (3).
Only in this position will installation of the lock barrel be guaranteed.







Replacement only:
Lever out catches (1) and detach cover (2) from lock cylinder (3).







Installation:
Catches (1) on cover (2) must not be damaged.
3 Lock cylinder