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

Lever out seal (1) and release screw in area (A).

Installation:

Make sure seal (1) is correctly seated on door.

Fig 1: Identifying Seal And Screw

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

Fig 2: Pulling Off Cover With Ignition Key

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Version with light package:

Installation:

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 carrier for outside door handle (4).

Fig 3: Identifying Outside Door Handle, Light, And Guide

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Remove catches (1) and detach cover (2) from lock cylinder (3).

Installation:

Catches (1) of cover (2) must not be damaged.

Paddle (4) of lock cylinder (3) must not be damaged.

Fig 4: Identifying Lock Cylinder, Catches, Cover, And Paddle

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