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

WARNING: This page is about a different car, the 2005 BMW 545i and 2004 BMW 545i. However, it is still accessible from the selected car via links, so may be relevant.

Necessary Preliminary Tasks:

Observe instructions for disconnecting and connecting battery. Refer to 12 00 ... INSTRUCTIONS FOR DISCONNECTING AND CONNECTING BATTERY .
Disconnect battery. Refer to 12 00 ... INSTRUCTIONS FOR DISCONNECTING AND CONNECTING BATTERY .
Remove right fresh air duct. Refer to 64 31 053 REMOVING AND INSTALLING OR REPLACING FRESH AIR DUCT .

Replacement:

Program control unit.12 14 705 PROGRAMMING CONTROL UNIT (DME / DDE) .
Code control unit. Refer to 12 14 700 CODING CONTROL MODULE (DME / DDE) .

Unlock stopper (1) in direction of arrow.

Unfasten screws.

Lift out cover (2).

Security version:

Remove DME armor plating.

Fig 1: Locating Cover Retaining Screws

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: View Of Plug Connections On DME Control Unit

Courtesy of BMW OF NORTH AMERICA, INC.