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 12 other vehicles, including the 2008 BMW 335xi, 2008 BMW 335i, 2008 BMW 328xi, 2008 BMW 328i, and 2007 BMW 335xi. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

51 2 190

Necessary preliminary tasks:

Remove Sound Insulation

Unlock and disconnect plug connection (2) at lugs (1).

Unhook Bowden cable (3) from door lock (4).

Unclip lock knob control rod (5).

Fig 1: Identifying Plug Connection, Lugs, Lock Knob Control Rod, Bowden Cable And Door Lock

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Unhook Bowden cable (1) from door lock (2).

If necessary, release cable holder on door lock (2).

Installation:

Bowden cable (1) must be correctly engaged in locators in door lock (2).

Bowden cable (1) must be laid without kinks in bend to door lock (2).

IMPORTANT: Door cannot be opened if Bowden cable (1) is incorrectly laid.

Fig 2: Identifying Bowden Cable 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 leaking and electrical malfunction:

Pull door lock (2) with special tool into corner (3), see Figure and Figure.

Fig 3: Identifying Door Lock And Screws

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Installation:

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

Fig 4: Identifying 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: Identifying Door Lock And Special Tool (51 2 190)
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).

Fig 6: Identifying Special Tool (51 2 190), Contact Corner Points, Door Lock And Knurled Screw

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Tighten down door lock screws, for tightening torque refer to 51 22 1AZ in 51 22 REAR DOOR LOCKS .

Installation:

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

Fig 7: Identifying Child Lock And Door Lock

Courtesy of BMW OF NORTH AMERICA, INC.