51 21 003 Replacing door detent (lock striker), front left or right
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Release screws (1) and remove door detent (3).
Installation:
Basic adjustment via crosswire on B-pillar (4) and notches (2) on door detent (3).
Tightening torque: 51 21 3AZ, see 51 21 FRONT DOOR LOCKS
Adjust door detent.