Removing and installing/replacing door lock in left or right rear door (330i GT xDrive, 340i GT xDrive)

Special tools required: 

• 51 2 190

Necessary preliminary tasks: 

• If necessary, close side window
• Remove rear door SOUND INSULATION rear section

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.

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Lever out locking rod (1).

Unfasten plug connection (2) and disconnect.

Release screws (3).

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Rotate door lock (1) and feed out through door aperture.

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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

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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).

Tighten screws of door lock

Observe tightening sequence:  bottom - top - inner.

Tightening torque 51 22 1AZ .

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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