One problem related to electrical system has been reported for the 1997 BMW 540. The most recently reported issues are listed below.
1997 BMW 540i fuse to the fuel injector blew out. ** answer required*** the vehicle would all of a sudden die when in motion due to the blown fuse(s) to the injector. The thermostat temperature sensor had an internal short which caused the wire to melt and blew the fuse. The sunroof was inoperative due to the rail lift pieces being broken. The wiper blades were not cleaning the windows properly.
| Electrical System problems | |
| Underhood Wiring problems |