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Home >> BMW >> 2018 >> M4 2D Convertible, Automatic DCT Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 99 (Body Equipment - Repair) >> Front door Lock, handle >> 51 21 200 Removing and installing/replacing outside handle and lock actuator on left or right front door (from 09/00) >> Exposing Bowden cable (3) on compact:

Exposing Bowden cable (3) on compact:

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To do so, unlock catches (1) and remove guide (2) towards top.

Fig 1: Unlocking Catches & Removing Guide
G03124392Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Catches (1) and mountings (2) on guide (3) must not be damaged.

Fig 2: Installing Catches & Mountings On Guide
G03124393Courtesy of BMW OF NORTH AMERICA, INC.

Slacken screw (1).

Lever out lock actuator (2) towards front and remove to inner door plate.

Fig 3: Identifying Slacken Screw
G03124394Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: 2-door and 4-door models have different locking systems.
The locking systems differ in the form of the Bowden cable nipple.
Bowden cable nipple (1) for 4-door model.
Bowden cable nipple (2) for 2-door model.

Installation: 

Grommet (3) must be pushed onto end piece (4).

Fig 4: Identifying Bowden Cable Nipple
G03124395Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

If necessary, replace screw (1) on lock actuator (3).

Bowden cable (2) must be correctly engaged with lock actuator (3).

Fig 5: Replacing Screw On Lock Actuator
G03124396Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Bowden cable nipple (1) must be correctly fitted in lock actuator (2) and must not be removed.

Fig 6: Installing Bowden Cable Nipple
G03124397Courtesy of BMW OF NORTH AMERICA, INC.