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

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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Release screws (1).

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

Fig 2: Removing Door Lock With Linkage

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Installation: 

Insert frame for catch button through opening in inner door panel.

Do not bend linkage (3).

Make sure that the lock lever is inserted between the outside door handle support member and outer skin.

Replace screws (1).

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

Installation: 

Left door lock of rear door:

Slacken adjusting screw (1) on door lock (2)

(turn counterclockwise, as shown in illustration),

the lock lever (3) can thus be moved.

Fig 3: Slacking 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 lock lever (3) can thus be moved.

Fig 4: Slacking 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).

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

Direction Of Rotation Of Adjustment Screw (2): 

Fig 5: Tightening Adjusting Screw On Door Lock

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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 6: Checking Unlocking Of Rotary Striker Lock

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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 (1)
• 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 rotary striker lock and carry out overtravel check,
• if measurement (A) is still not obtained, you must replace door lock.
  Fig 7: Checking Overtravel At Outside Handle (A)

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A min. 2 mm

Replacement only:

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

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

Fig 8: Removing Bowden Cable Nipple From Lever

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Replacement only:

Turn linkage for safety button (1) and detach from lever (2).

Fig 9: Detaching Linkage From Lever

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