51 21 140 Removing and installing/replacing complete lock barrel in left or right front door

Lever out the sealing (1) and undo the screw in area (A).

Installation note:

Make sure the sealing (1) is correctly fitted on the door.

Fig 1: Removing Door Sealing

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Insert ignition key into lock barrel.

Turn ignition key slightly and pull off cover (1) in direction of arrow with outside door handle (2) opened slightly.

Installation note:

Lock barrel must be correctly seated in support for outer door handle.

Check function of lock barrel.

Fig 2: Pulling Outside Door Handle Cover

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Version with light package:

Installation note:

Make sure outside door handle light (1) is correctly positioned in area (2).

Guides (3) of outside door handle light (1) must be correctly seated in support for outer door handle (4).

Fig 3: Outside Door Handle Light And Guides

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Replacement:

Remove latch mechanisms (1) and detach cover (2) from lock barrel (3).

Installation note:

Latch mechanisms (1) of cover (2) must not be damaged or missing.

Gear (4) of lock barrel (3) must not be damaged.

Fig 4: Detaching Cover From Lock Barrel

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