5122090 Removing and installing/replacing door lock in left or right rear door: Notes

WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 2011 BMW 328xi, 2011 BMW 328i, 2010 BMW 335xi, 2010 BMW 335i, and 2010 BMW 328xi. However, it is still accessible from the selected car via links, so may be relevant.

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, Bowden Cable, Door Lock And Lugs

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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 Of 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 With Screws

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Installation:

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

Fig 4: Identifying Door Lock Seal

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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: Sliding Special Tool (51 2 190) Into Rotary Striker
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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: Installing Pre-Tension Door Lock Screw Using Special Tool (51 2 190)

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Tighten down door lock screws, tightening torque 51 22 1AZ .

Installation:

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

Fig 7: Checking Function Of Child Lock On Door Lock

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