5121003 Replacing door detent (lock striker), front left or right
Release screws (1) and remove door detent (2).
Installation:
If necessary, carry out basic adjustment by way of notches (3) on lock striker (2).
Notches (3) must be vertical to B-pillar.
Tightening torque, see 51 21 2AZ in 51 21 FRONT DOOR LOCKS .