Electrical System Related Problems of the 2008 BMW 550

Table 1 shows three common electrical system related problems of the 2008 BMW 550. The number one most common problem is related to the electrical system (five problems). The second most common problem is related to the wiring (three problems).

Table 1. Electrical System related problems of BMW 550

Problem Category Number of Problems
Electrical System problems
5
Wiring problems
3
Ignition problems
1

Recently reported Electrical System problems of the 2008 BMW 550

The Electrical System problem

Vehicle abruptly shut off while reversing out of my driveway. Vehicle restarted after a long crank and appeared to enter a reduced power mode/limp mode with a transmission fault that locked the transmission in 4th gear. Reading obd2 codes revealed a code for the crankshaft position sensor.   Read details...

The Wiring problem

Vehicle parked for days, noticed smoke from passenger side engine bay, inspection found possible faulty electrical wiring or oil leak onto electrical wiring causing small fire on engine floor. Disconnected negative terminal to battery.   Read details...

The Ignition problem

Vehicle shuts off unexpectedly and fails to restart, additionally the vehicle will randomly fail to start. The engine will shut off while driving at highway speeds, when driving slowly, or shortly after shifting the car into drive from park.   Read details...


Electrical System related problems in other BMW 550 model year vehicles:



550 Service Bulletins
550 Safety Recalls
550 Defect Investigations