BMW X3 Service & Repair Manual: Replacing control unit (dme) (N52T)

IMPORTANT: Read and comply with notes on PROTECTION AGAINST ELECTROSTATIC DISCHARGE (ESD PROTECTION)

Necessary preliminary work:

• Switch off ignition.
• Disconnect BATTERY EARTH LEAD .
• Remove ACOUSTIC COVER

IMPORTANT: FOLLOW INSTRUCTIONS FOR REMOVING AND INSTALLING CONTROL UNITS.

Replacement:

• CARRY OUT PROGRAMMING/ENCODING

IMPORTANT: It is absolutely essential to read out the fault memory with the BMW diagnosis system and to create a fault memory printout.

Switch off ignition.

Unlock all plugs from control unit (1) and detach.

Unfasten screws (2).

Remove control unit.

NOTE: Check stored fault messages.

Delete fault memory.