61 35 220 Removing and installing (replacing) control unit for left or right front door

WARNING: This page is about a different car, the 2010 BMW 550i, 2009 BMW 550i, and 2008 BMW 550i. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT: Read and comply with notes on protection against electrostatic damage ( ESD protection ).

Read out programming/coding.

Print out and make a note of settings for car and key memory in CKM menu

Necessary preliminary tasks:

Remove front door trim . See 51 41 000 REMOVING AND INSTALLING FRONT LEFT OR RIGHT DOOR TRIM PANEL (LONG VERSION OR FROM 03/2007) .

Unlock plug connections (1) and disconnect.

If necessary, unclip electrical leads at points (2).

Release screws (3).

Remove control unit in front door (4).

Fig 1: Identifying Plug Connections, Front Door And Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Replacement:

Carry out programming/coding.

Check printed-out or noted-down settings for car and key memory in CKM menu and reset if necessary