Audio System - BM53 Radio Cuts-Off or Inoperative
SI B65 08 04Sound Systems, Cruise, Alarms, Monitors
October 2004
Technical Service
SUBJECT
BM53 Radio Cuts Off or Doesn't Work at All
MODEL
E46 (3 Series) with Navigation system, from September 2001 on.
E39 (5 Series) with Navigation system, from September 2001 on.
E53 (X5) with Navigation system, from October 2001 on.
SITUATION
The BM53 radio (board monitor radio) cuts off or doesn't work at all afier starting the vehicle.
The power light on the radio is not illuminated.
CAUSE
Software and Hardware issue in the BM53 radio.
CORRECTION
On a customer complaint basis only, replace the BM53 radio.
For each specific model, refer to Repair Instruction RA 65 11 055, Removing and installing/replacing the radio receiver (board monitor radio).
PARTS INFORMATION
WARRANTY INFORMATION
Covered under the terms of the BMW New Vehicle Limited Warranty.