Five problems related to electrical system have been reported for the 1998 BMW 740. The most recently reported issues are listed below.
The alarm system runs down the battery and the head lights blanks constantly while car is running also back taillight goes off on on on passage side .
The alarm system runs down the battery and the head lights blanks constantly while car is running aalso back taillight blank off on passage side.
The doors will not unlock. All doors with the exception of the driver door will not unlock. If you pull on any of the doors door handle twice from the inside it should open. All of this happen when the alarm activated without any reason. Alarm stopped working and doors will not unlock.
Engine failed entirely, while passing a vehicle. Driver able to retain enough control to bring car to halt safely on shoulder. Car towed to technicians. Upon inspection, a hole was found in a cylinder, causing complete engine faiure technicians indicate that electronic firing failed, causing a hole to be burned in the wall of cylinder! engine a complete loss. Quite lucky no one was killed in this accident waiting to become a catastrophe!.
Navigation system failed. Yh.
| Electrical System problems | |
| Ignition problems | |
| Underhood Wiring problems | |
| Battery problems | |
| Anti-theft Controller problems | |
| Dashboard Failed problems |