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

WARNING: This page is about a different car, the 2011 BMW M3, 2010 BMW M3, 2009 BMW M3, and 2008 BMW M3. However, it is still accessible from the selected car via links, so may be relevant.

Lever out cap (1) and release screw underneath.

Installation:

If necessary, replace faulty trim (1).

Fig 1: Identifying Cap

Courtesy of BMW OF NORTH AMERICA, INC.

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:

Lock barrel must be correctly seated in door lock.

Check function of lock barrel.

Fig 2: Removing Cover

Courtesy of BMW OF NORTH AMERICA, INC.

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 Door Handle Light, Guides Door Handle Light And Outside Door Handle

Courtesy of BMW OF NORTH AMERICA, INC.

Replacement

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

Installation:

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

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

Fig 4: Removing Catches And Cover From Lock Barrel

Courtesy of BMW OF NORTH AMERICA, INC.