51 21 130 Removing and installing or replacing lock on left or right front door

(if necessary with lock cylinder) Remove door lock, refer to 51 21 090 REMOVING AND INSTALLING/REPLACING DOOR LOCK ON LEFT OR RIGHT FRONT DOOR 

Only Version up to 5/96:

Unfasten nuts with washers. Remove locking unit (1) (carrier for outside door handle).

Installation: 

1. Install screws with flat surfaces pointing towards one another.

Fig 1: Installing Screws With Flat Surfaces Pointing Towards One Another

Courtesy of BMW OF NORTH AMERICA, INC.

Introduction: ongoing from 5/96:

Unfasten screws (1) and remove locking unit (2) (carrier for outside door handle).

Fig 2: Unfastening Screws And Removing Locking Unit

Courtesy of BMW OF NORTH AMERICA, INC.

Only replace:

Unlock cover (1) with screwdriver through aperture (2) and remove.

Fig 3: Unlocking Cover With Screwdriver Through Aperture

Courtesy of BMW OF NORTH AMERICA, INC.

Only replace:

Disconnect Bowden cable (1) from locking unit.

Fig 4: Disconnecting Bowden Cable From Locking Unit

Courtesy of BMW OF NORTH AMERICA, INC.