Question about 1994 BMW 7 Series

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1994 BMW 740i My car turn over but will not start

I need to find out how to fix my 1994 BMW 740i, Car will crank and turn over but will not start. Towed it a couple of times and went to start the car, it started. Now it will not start at al just cranks and turns over and that is it. Please help P.S. Any proublems like this before on a BMW 7 series.

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: 2002 bmw 530i starting problem

2002 530i radio i cant turn on
i press the botton and nothing hapen i look the fuses on the trunk and the are fine is other suses some place else please advice

Posted on Oct 21, 2008

  • 1 Answer

SOURCE: 98 bmw 740i wont start

Battery is in trunk compartment. Must be positioned exactly and locked down. Not easy to do and keep in position unless using BMW battery. There is a slight size difference (BMW wants to sell their batteries - at inflated price.) Save yourself the headaches and get BMW battery. In the meantime, just move your battery position a little bit until trunk light comes on. Car will start if trunk light is on - unless the problem is really something else. Hope this helps. Let me know.

Posted on Feb 16, 2009

jackiaria
  • 350 Answers

SOURCE: 1994 525i BMW, it cranks but it won't start

Dear prettydwilli, Friday 02-20-2009 11:17pm EST (USA)

Could be a fuse or a relay or fuel system gunk in cold weather!
Try a can of Starter fluid sprayed in the air filter!
If it starts and stays running it could be just gunk or junk in the gas tank!
Do you ride til the tanks empty?
If so fill the tank with high test or just get the starter fluid and some expensive ($10) fuel system cleaner to add to your tank and try it again!
If this doesn't work look for a bad relay or fuse at your local auto parts store. Advance Auto Parts is my favorite....they will probably tell you where the relay is located and may let you return it if it doesn't work. They're very helpful!

jack
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Posted on Feb 21, 2009

morse008
  • 1111 Answers

SOURCE: I have a 1998 BMW 740i. My brake lights comes on

sounds as if the bake sensor on the pedal has risen up and needs adjustment or you have a bad ground check those areas first

Posted on Sep 15, 2009

  • 2 Answers

SOURCE: 2001 BMW 530, car turns over fine but sometimes

sounds like a fuel pump or filter problem. replace filter first its cheaper than a fuel pump.my fuel filter on my 01 530 was under the driver side half way back along the bottom rail of the car.i had to remove the aero plastic with a plug puller that gave me acess to it.try and replace that first. if it doesn work its prob.fuel pump.

Posted on Feb 24, 2011

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Hi.

If it does turn over and electrical works, then the problem is unlikely the battery. You can try jump starting. If it cranks when jump-starting it may be a weak battery, starter motor or alternator, but I don't think that this is the problem.

Check if there is spark on all cylinders. Do a code scanning (this car is OBD1, you will need to do the scan at the dealer place or to find a BMW OBD1 tool- Universal OBD2 scanner will not work on a 1994 BMW). If the codes return misfire or mixture related errors check fuel pressure, check sensors and parts that determine the mixture (MAF/MAP, AIT, O2 sensors, IAC and EGR system), check the vacuum system for leaks and check the crank sensor.

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