51 21 003 Replacing door detent (lock striker), front left or right

Lift off cover (1).

Fig 1: Lifting Off Cover

Courtesy of BMW OF NORTH AMERICA, INC.

Unscrew bolt (1).

Fig 2: Unscrewing Bolt

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Release screw (1) and remove lock striker (2) with seal (3).

Fig 3: Releasing Screw And Removing Lock Striker With Seal

Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

1. Adjust lock striker (2).