12 52 005 Removing and installing/replacing integrated supply module (N62)

WARNING: This page is about a different car, the 2005 BMW 645Ci and 2004 BMW 645Ci. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Read and print out fault memory with MoDiC or BMW DIS
Switch off ignition
Follow instructions for disconnecting and connecting battery, refer to 12 00 ... INSTRUCTIONS FOR DISCONNECTING AND CONNECTING BATTERY .
Disconnect battery
Remove right fresh air duct

IMPORTANT: Follow instructions for removing and installing control units

Unlock stopper (1) in direction of arrow.

Unfasten screws.

Lift out cover (2).

Fig 1: Lifting Out Cover

Courtesy of BMW OF NORTH AMERICA, INC.

Unlock and detach plug connections on supply module.

Unlock supply module (1) and remove towards top.

Fig 2: Unlocking Supply Module

Courtesy of BMW OF NORTH AMERICA, INC.

Read out fault memory of control unit of Digital Motor

Electronics (DME).

Check stored fault messages.

Now clear the fault memory.