12 14 550 Replacing control unit (DME) (N62, N62TU)

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.

Necessary preliminary tasks:

Switch off ignition
Disconnect battery negative lead
Remove right fresh air duct . See 64 31 053 REMOVING AND INSTALLING OR REPLACING FRESH AIR DUCT .

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:

Unlock stopper (1) in direction of arrow.

Unfasten screws.

Lift out cover (2).

Security version:

Remove DME armour plating

Fig 1: Identifying Cover And Stopper

Courtesy of BMW OF NORTH AMERICA, INC.

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

Unlock DME control unit (1) and remove towards top.

Fig 2: Identifying DME Control Unit

Courtesy of BMW OF NORTH AMERICA, INC.