Additional information, such as on the cause of an error or the required action, can be called up via Check Control.
With urgent messages the added text will be automatically displayed on the Control Display.
Symbols Within the supplementary text, the following functions can be selected independent of the check control message.
BMW X3 Service & Repair Manual > Electronic switching or control units: Replacing control unit (dme) (N20, N26)
IMPORTANT:
Read and comply with notes on protection against electrostatic damage (ESD protection)
Necessary preliminary tasks:
Switch off ignition.
Disconnect BATTERY NEGATIVE LEAD .
Remove ACOUSTIC COVER
IMPORTANT: Follow INSTRUCTIONS for removing and installing control units ...