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

WARNING: This page does not describe the selected car, but rather 16 other vehicles, including the 2006 BMW 325Ci, 2005 BMW 325xi, 2005 BMW 325i, 2005 BMW 325Ci, and 2004 BMW 325xi. However, it is still accessible from the selected car via links, so may be relevant.

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: Levering Out Bowden Cable From Holder With Screwdriver

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Release screws (1).

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

Fig 3: Removing Door Lock With Linkage

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Installation:

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

Do not bend linkage (3).

Replace screws (1).

Tightening torque, refer to 51 22 1AZ in BODY EQUIPMENT - TIGHTENING TORQUES - 325I, CI & XI - E46 .

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: Adjusting Screw On Door Lock (Turn Counterclockwise)

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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 illustration.

Fig 5: Adjusting Screw On Door Lock (Turn Clockwise)

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Installation:

Lever out sealing cap (1).

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

Fig 6: Identifying Adjusting Screw On Door Lock And Fit Sealing Cap

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Direction of rotation of adjustment screw (2):

ADJUSTMENT SCREW ROTATION

Left rear door	Right rear door
Tighten down adjusting screw (2) in clockwise direction, as shown in illustration.	Tighten down adjusting screw (2) in counterclockwise direction.

Tightening torque, refer to 51 22 4AZ in BODY EQUIPMENT - TIGHTENING TORQUES - 325I, CI & XI - E46 .

CAUTION: Carry out function check only with door open. If door is closed and the setting at the rotary striker lock is incorrect, it may not be possible to open door any more and the door trim panel must be destroyed.

Checking unlocking of rotary striker lock:

Close rotary striker lock (1) with a screwdriver,
lock car with car key,
unlock car with car key,
open rotary striker lock (1) with outside door handle,
if rotary striker lock (1) opens, then O.K.
If rotary striker lock (1) fails to open,
slacken adjustment screw (2) again,
Retighten adjusting screw (2),
carry out check again.

Fig 7: Opening Rotary Striker Lock With Outside Door Handle
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Fit sealing cap (3).

Checking overtravel at outside handle:

Close rotary striker lock with a screwdriver,
open rotary striker lock with outside door handle
outside door handle (1) must be able to open further by measurement (A),
if measurement (A) is obtained, then O.K.
if measurement (A) is not obtained, readjust ro lock and carry out overtravel check,
if measurement (A) is still not obtained, you must replace door lock.

Fig 8: Measuring Distance Outside Handle (A)
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A min. 2 mm

CAUTION: Door lock does not have to be greased until after 100, 000 km. Door lock and door striker (lock wedge) must not be greased.

Replacement only:

Lift out lock (1) and detach Bowden cable (2) from fixture (3).

Remove Bowden cable nipple (4) from lever (5).

NOTE: The Bowden cable mount for the inside door handle is the same for all construction versions. The construction version up to 09/2000 is shown in the illustration.

Fig 9: Removing Bowden Cable Nipple From Lever

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Replacement only:

Turn linkage for locking knob (1) and detach from lever (2).

Fig 10: Turning Linkage For Locking Knob And Detach From Lever

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