LEMON Manuals: Even more car manuals for everyone
Home >> BMW >> 2007 >> M Coupe >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Body Equipment - Repair Instructions >> 21 Front Door Locks, Hand >> 51 21 200 Removing and installing/replacing outside handle and lock actuation of left or right front door

51 21 200 Removing and installing/replacing outside handle and lock actuation of left or right front door

Necessary preliminary tasks: 

Driver's side only: 

Release screws (1) and slide lock actuator (2) forwards slightly.

Fig 1: Identifying Screws & Slide Lock Actuator
G04749730Courtesy of BMW OF NORTH AMERICA, INC.

Disengage Bowden cable (5) from mounts (3 and 2).

Lever out lock actuator (6) towards front and remove to inner door plate.

IMPORTANT: Bowden cable (5) must:
Fig 2: Disengaging Bowden Cable From Mounts
G04749731Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Following parts of lock actuator (4) must not be damaged or missing:

  1. Bowden cable
  2. Threaded bushings
  3. Retaining screw for lock cylinder
Fig 3: Identifying Threaded Bushings & Bowden Cable
G04749732Courtesy of BMW OF NORTH AMERICA, INC.
Fig 4: Identifying Anti-Rattle Tube, Locking Plate, Securing Clip & Cable Strap
G04749733Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Following parts of lock actuator must not be damaged or missing:

  1. 5 Anti-rattle tube
  2. 6 Locking plate
  3. 7 Securing clip
  4. 9 Cable strap
IMPORTANT: Cable strap (9) serves to guide the Bowden cable (4). If the cable strap (8) is missing, there is the risk that the door can no longer be opened.

Bowden cable (4) must be correctly laid in guides (3 and 8).

Bowden cable nipple (2) must be correctly fitted in mounting (1).

Replacement: 

Remove Bowden cable (4).