According to repair facility (bmw dealer), this is a known problem, poorly designed/manufactured raditor, that bmw will not acknowledge. they will not even re-designed and or make modifications to currect radiator design for the 540 model. please do something about this. dt
Accelerator pedal stcks when foot pressure is released. response of accelerator is very quick. dealer was notified. *ak gas pedal stuttering/ binding condition is worse when vehicle is out in sun for a few hours. dealer replaced pedal three times. *tt
Radiator failed at 40k miles in middle of rush hour traffic,obscuring vision while driving between many cars and then stranding car fat dangerous interchange. *nlm
Overall the worst problem with BMW 540 relates to AIR BAGS problems. Browse the categories below to learn about the specific 540 years that are prone to issues with these components.