Coupe/Convertible only:

Remove rear section of power window unit. See 51 33 000 Removing and installing electric window regulator in left or right front door

Disconnect plug connection (1) on door lock (2).

Fig 1: Disconnecting Plug Connection On Door Lock

Courtesy of BMW OF NORTH AMERICA, INC.

Lever out Bowden cable (1) from holder (2) with screwdriver.

IMPORTANT: Do not bend holder (2).

Unhook Bowden cable nipple (3) from lever (4).

Fig 2: Unhooking Bowden Cable Nipple From Lever

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1).

Remove door lock (2) with linkage (3).

Installation:

Insert linkage for locking knob through opening in inner door plate.

Do not bend linkage (3).

Replace screws (1).

Tightening torque. Refer to BODY EQUIPMENT - TIGHTENING TORQUES .

Fig 3: Replacing Screws

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Do not close door while Installing door lock and lock barrel.
It Is not possible to open the door when the adjusting screw Is released.
Secure door against closing.

Installation:

Left door lock of front door:

Slacken adjusting screw (1) on door lock (2) (turn in counterclockwise direction, as shown in illustration)- this makes the Bowden cable mount (3) movable.

Fig 4: Installing Slacken Adjusting Screw On Door Lock

Courtesy of BMW OF NORTH AMERICA, INC.