51 22 090 Removing and installing/replacing door lock in left or right rear door

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2010 BMW X3, 2009 BMW X3, 2008 BMW X3, 2007 BMW X3, and 2006 BMW X3. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

51 2 190 DOOR LOCK TENSIONER

Necessary preliminary tasks:

Remove sound insulation in rear area only, see 51 48 070 Removing and installing/replacing sound insulation on left or right rear door

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

IMPORTANT: Bowden cable must be correctly located in mounts on door lock (2).
Seal (4) must be correctly positioned on Bowden cable.

NOTE: The operations for "Removing Bowden cable from door lock" end here.

Fig 1: Bowden Cable, Door Lock And Seal

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Unlock plug connection (1) at lugs (2) and detach from door lock (3).

Unclip locking rod (4) from door lock (3).

Fig 2: Plug Connection And Door Lock

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IMPORTANT: Do not damage door lock seal during removal.

Release screws (1).

Remove door lock (2) from inside.

IMPORTANT: To avoid leakage and electrical malfunction:
Pull door lock (2) with special tool into corner (3), see Fig 5 and Fig 6.

Fig 3: Door Lock And Corner

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Installation:

Seal (1) on door lock (2) must not be damaged.

Fig 4: Seal And Door Lock

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Installation:

Install door lock and insert screws (1), do not tighten down.
Slide special tool 51 2 190 into opened rotary latch until latch engages in first stage.

Fig 5: Door Lock, Corner And Screw

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Pretension door lock (1) with knurled screw (2) until special tool 51 2 190 just contacts corner points (3).

IMPORTANT: To tension door lock (1), it is only permitted to turn knurled screw (2) by a further 1 to 1.5 turns (max.) (risk of damage).
Door lock seal must rest uniformly on inner door plate (water ingress).

Tighten down door lock screws, tightening torque: 51 21 1AZ, see 51 21 FRONT DOOR LOCKS

Fig 6: Door Lock, Corner And Screw

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Check function of child lock (1) on door lock (2).

Fig 7: Child Lock And Door Lock

Courtesy of BMW OF NORTH AMERICA, INC.