Electrical System Problems of BMW 540

BMW 540 owners have reported 39 electrical system related problems since 1996. Table 1 shows the 13 most common electrical system problems. The number one most common problem is related to the vehicle's electrical system (23 problems). The second most common problem is related to the vehicle's wiring (3 problems). For details of each of the problem category, use the links in the table.


Recently reported Electrical System problems of BMW 540

The Electrical System problem

Infotainment system interplay through audio voices coming from place of employment this have been unusual to audio system in various of my vehicles this over the air bugs are safety concerns as well as frequent unexpected wiper blade activation without touching for auto movement complex to   Read details...

The Wiring problem

My check engine light came on for chassis stabilization and drivetrain malfunction. I took it to the dealership and they told me they repair would not be covered under warranty. Dealership alleges a rodent gnawed on a engine wiring harness.   Read details...

The 12v/24v/48v Battery problem

The contact owns a 2001 BMW 540i. The contact stated that the dealer had previously performed an unknown air bag recall repair; however, the failure occurred a year after the recall repair was performed.   Read details...

The Underhood Wiring problem

I have a 2000 BMW 540i (e39). My car was in a pristine condition, and all of sudden, the "engine failsafe prog" message came up, and the car shutdown. I took it to a dealership, and I was told the thermostat was burned badly, causing the engine wiring harness and dme burned as well.   Read details...

The Ignition Module problem

I was moving my car in order to park it somewhere else. The car started then complete failure. The car cut off, no power brakes, no power steering. I had to press the brakes very hard to get stoppage. The thermostat shorted out and burned out the main computer. The car would not start.   Read details...




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