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

Necessary Preliminary Tasks:

Remove rubber plug (1) and screw (2).

Fig 1: Identifying Rubber Plug And Screw

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Release screws (1).

Fig 2: Releasing Screws

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Position door lock (1) downwards a little.

Feed out lock cylinder (2) in area (A) and remove.

Installation:

Paddle (3) must be correctly inserted in door lock (1).

Fig 3: Aligning Door Lock

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Installation:

Paddle (1) on lock cylinder (1) must not be damaged or missing.

Fig 4: Identifying Paddle On Lock Cylinder

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