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
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 .

IMPORTANT: Follow instructions for removing and installing control units, refer to REMOVING AND INSTALLING ELECTRONIC 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 And Removing Towards Top

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.