Removing and installing/replacing door lock in left or right rear door

Special tools required: 

• 51 2 190 

Necessary preliminary tasks: 

• If necessary, close side window
• Remove SOUND INSULATION IN REAR DOOR .

Disconnect Bowden cable at bottom (1) and top (3) from door lock (2).

Installation note: 

Bowden cable must be correctly engaged in locators in door lock (2).

Bowden cable must be laid without kinks in bend to door lock (2).

Seal (4) must be correctly fitted on Bowden cable.

Courtesy of BMW OF NORTH AMERICA, INC.

Lever out locking rod (1).

Unfasten plug connection (2) and disconnect.

Release screws (3) and maneuver out door lock above door aperture.

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note: 

Install door lock (1) and screw in screws (2) but to not tighten.

Slide special tool 51 2 190  into opened rotary striker until striker engages in first stage

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note: 

Pre-tension door lock (1) with knurled screw (2) until special tool 51 2 190  just contacts corner points (3)

Door lock seal must rest uniformly on inner door panel (water ingress).

Courtesy of BMW OF NORTH AMERICA, INC.

Tighten screws of door lock

Observe tightening sequence: bottom - top - inner.

Tightening torque 51 22 1AZ .

Installation note: 

Check function of child safety catch, as problems may arise:

• Lock does not center in body aperture
• Lock scrapes on inner door panel
• Lock snags on inner door panel