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

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.

Compact only:

Lever out cover (1).

NOTE: (2) Cover for outside handle (3) Cover for adjusting door lock

Fig 1: Levering Out Cover

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Convertible/coupe only:

Only lever out cover (1) to such an extent that bore (2) is accessible.

Fig 2: Levering Out Cover (1) To Such An Extent That Bore (2) Is Accessible

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Saloon/sedan/touring only:

Lever out trim (1).

Fig 3: Levering Out Trim

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Installation:

Fit new plate (1).

All models:

Release screw (1).

NOTE: Thread of screw (1): M6 Build date up to 09/00 M5 Build date from 09/00

Fig 4: Release Screw (1)

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Removing cover (1) on outside handle:

Pull cover (1) approx. 1 to 2 mm towards rear.
Detach cover (1) with lock cylinder (2) towards outside.

Fig 5: Removing Cover On Outside Handle
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Installation:

Notch (2) on paddle mount (1) must be secured in catch (3).

Only in this position will installation of the lock barrel be guaranteed.

Fig 6: Identifying Notch On Paddle Mount

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Replacement only:

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

Fig 7: Detaching Cover From Lock Cylinder

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Installation:

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

(3) Lock cylinder

Fig 8: Installing Lock Cylinder Cover

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