51 22 090 Removing and installing/replacing door lock in left or right rear door (from 09/00): Notes

NOTE: The work is identical for all E46 4-door models from year of manufacture 09/2000.

A 4 mm A/F Allen key is required for adjustment.

Raise the door window.

Remove sound insulation on rear door. See 51 48... Removing and installing/replacing sound insulation in rear door, left or right

Disconnect plug connection (1) on door lock (2).

Fig 1: Disconnecting Plug Connection On Door Lock

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Lever out Bowden cable (1) from holder (2) with screwdriver.

CAUTION: Do not bend holder (2).

Unhook Bowden cable nipple (3) from lever (4).

Fig 2: Unhooking Bowden Cable Nipple From Lever

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Release screws (1).

Remove door lock (2) with linkage (3).

Installation:

Insert linkage for locking knob through opening in inner door plate.

Do not bend linkage (3).

Replace screws (1).

Tightening torque. Refer to BODY EQUIPMENT - TIGHTENING TORQUES .

Fig 3: Removing Door Lock With Linkage

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CAUTION: Do not close door while installing door lock and cover. It is not possible to open the door when the adjusting screw is released.
Secure door against closing.

Installation:

Left door lock of rear door:

Slacken adjusting screw (1) on door lock (2) (turn counterclockwise, as shown in illustration), the Bowden cable mount (3) can thus be moved.

Fig 4: Installing Adjusting Screw

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Installation:

Right door lock of rear door:

Slacken adjusting screw (1) on door lock (2) (turn clockwise, as shown in illustration), the Bowden cable mount (3) can thus be moved.

NOTE: The Bowden cable mount (3) is still shown in the illustration as lock lever (3), but is similar to that in Fig. R51 2807.

Fig 5: Installing Right Door Lock Of Rear Door

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Installation:

Lever out sealing cap (1).

Tighten down adjusting screw (2) on door lock and fit sealing cap (1).