20 Most Recent 2010 BMW 5 Series Questions & Answers

If you've checked the fuel system, then check the "spark" end of things

Have you checked the spark and injector pulse

What year BMW ? engine size? miles?

The driver's door should open with the key. Then you'll have to access the trunk through the backseat. There is an emergency trunk release located inside the trunk. To gain access, there is a pass-through in the rear seat. Put the rear armrest down, open the pass-through, and move the release up with your fingers. The release is glow-in-the-dark. So you should have no trouble finding it using a flashlight.

Try the switch in the door, as well as the one in the center console to eliminate the possibility of a bad switch. If the switch in the door, and the one in the center console both do not work -- then you probably have a bad window motor.

Check fuel pressure with a gauge to assure your pump is working correctly. If no check engine codes are being thrown, this may be your problem .

Check this out: http://www.bimmerforums.com/forum/showthread.php?1633366-540i-timing-chain-guides-tips-and-pictures

resync your fob with the car