12 14 550 Replacing Control Unit (DME)

WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 2010 BMW M6, 2010 BMW M5, 2009 BMW M6, 2009 BMW M5, and 2008 BMW M6. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Read fault memory.
Switch off ignition.
Disconnect battery negative lead .
Remove lower section of microfilter housing on right. See 64 31 061 REMOVING AND INSTALLING/REPLACING LEFT OR RIGHT MICROFILTER HOUSING LOWER SECTION (5-SERIES) or 64 31 061 REMOVING AND INSTALLING/REPLACING LEFT OR RIGHT MICROFILTER HOUSING LOWER SECTION (6-SERIES) .

IMPORTANT: Follow instructions for removing and installing electronic control units .

IMPORTANT: Read and comply with notes on protection against electrostatic damage (ESD protection). See 61 35... NOTES ON ESD PROTECTION (ELECTRO STATIC DISCHARGE) .

Replacement:

Carry out programming/coding.

Unlock stopper (1) in direction of arrow.

Unfasten screws.

Lift out cover (2).

Fig 1: Identifying Stopper And Screw Direction

Courtesy of BMW OF NORTH AMERICA, INC.

Unlock and detach plug connections on DME control unit (1).

Unlock DME control unit (2) and remove towards top.

Fig 2: Identifying DME Control Unit

Courtesy of BMW OF NORTH AMERICA, INC.