Risk of burning!
Carry out repair work only after engine has cooled down.
Necessary preliminary work:
Fold up the carpet (2) as shown.
Slacken nut (1).
Take off earth cable (3).
Installation note: Ensure correct line routing.
Unlock plug connections (1) and (2) and disconnect.
Release screws (3).
Remove electric auxiliary heater (4) in direction of arrow from the heating and air conditioning unit (5).
BMW X3 Service & Repair Manual > Electronic switching or control units: Coding control module (dme/dde)
Switch on ignition.
Connect MoDiC or DIS/GT1 Tester.
Select "Coding" program.
For subsequent procedure, follow instructions in MoDiC or DIS/GT1 Tester.
Carry out adjustment of following control units:
EWS (electronic immobilizer)
DME (Digital Motor Electronics) or
DDE (Digital Di ...