Electrical System Problems of BMW 740

BMW 740 owners have reported 39 electrical system related problems since 1996. Table 1 shows the 11 most common electrical system problems. The number one most common problem is related to the vehicle's electrical system (21 problems). The second most common problem is related to the vehicle's underhood wiring (4 problems). For details of each of the problem category, use the links in the table.


Recently reported Electrical System problems of BMW 740

The Electrical System problem

Stopping without notice can cause an accident and any of the issues can cause safety issues. What I sent them. I am writing to express my concerns regarding a series of issues with my 2017 BMW 740i and to request your assistance in resolving these matters.   Read details...

The Underhood Wiring problem

Smoke from engine and burning wires and electrical connectors at the plug to the engine cooling thermostat small fire extinguished with a small amount of water.   Read details...

The Instrument Panel problem

The contact owns a 2001 BMW 740. The contact stated that the instrument cluster was not operational. The instrument cluster was repaired per an unknown recall in 2012, but the failure recurred in August of 2016. The vehicle was taken to the dealer, but they would not repair the vehicle.   Read details...

The Battery problem

I bought this vehicle in 2002 at 96k miles it has been nothing but problems, since buying vehicle, I have had water pump failure twice, replaced radiator twice , hoses & rings. . Two battery's front bumper, catalytic convertor l. Bay, changed. . Brakes & rotors changed Nov. 11. . . . . .   Read details...

The Ignition problem

On cruise control at 60 mph proceeding north on state route 3 in virginia when the auto started to accelerate. Tapped the brake no effect. Turned of the cruise control no effect. By this time I am doing 90 mph so I turned off the ignition. That had an effect.   Read details...




740 Service Bulletins
740 Safety Recalls