IMPORTANT: Read and comply with notes on protection against electrostatic damage (ESD protection)
Necessary preliminary tasks:
IMPORTANT: Follow INSTRUCTIONS for removing and installing control units
Replacement:
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 and pull off all connectors (1) from the DME control unit (2).
Release screws.
Remove DME control unit.
Injection quantity compensation:
If the DME control unit has been replaced, it will also be necessary to carry out adjustment of the injectors! Injection quantity compensation is carried out with the aid of so-called adjustment values.
The adjustment value is printed on each injector in three digits.
The adjustment values must be stored in the new control unit! If injector quantity compensation is not carried out, the engine may run roughly or fail to start.
Read off the adjustment values and enter according to the installation location (cylinder) of the injectors:
NOTE: Check stored fault message.
Delete fault memory.
BMW X3 Owners Manual > Power windows: Safety switch
General information
The safety switch in the driver's door can be
used to prevent children, e.g., from opening
and closing the rear windows using the
switches in the rear.
Switching on and off
Press button.
The LED lights up if the safety function
is switched on.
Safety switch for rear ...