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

IMPORTANT: Read and comply with notes on PROTECTION AGAINST ELECTROSTATIC DAMAGE (ESD PROTECTION) .

Necessary preliminary tasks:

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 Front Door Control Unit, Plug Connections And Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Replacement:

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