FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Service Mode

Service Mode
BMW Business CD
The following procedure applies to BMW CD radio and Business CD:
^ Switch on the radio
^ Press the m button within 8 seconds and hold for at least 8 seconds
^ The functions listed in the following table are now possible via the service menu
^ Switch off the radio to exit service mode