61 35 910 Removing and installing/replacing control unit of electronic immobilizer

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2008 BMW Z4, 2007 BMW Z4, 2006 BMW Z4, 2005 BMW Z4, and 2004 BMW Z4. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Disconnect battery negative lead.
Remove trim panel for pedal assembly. See 51 45 185 REMOVING AND INSTALLING/REPLACING TRIM FOR PEDAL ASSEMBLY .

Unfasten plug connection (2) and disconnect.

Release nuts (1) and remove control unit of electronic immobilizer (3).

Fig 1: Unfastening Plug Connection

Courtesy of BMW OF NORTH AMERICA, INC.

Replacement:

Carry out coding/programming.

Observe following IDC specifications:

Programming
Coding
If necessary, car & key memory
CD "CIP"

Fig 2: Identifying Carry Out Coding/Programming

Courtesy of BMW OF NORTH AMERICA, INC.