Question about 1985 BMW 3 Series
Check the fuel pressure regulator
Posted on Apr 06, 2009
Here are three possible options, One you should check on the flywheel and make sure there is a tiny block of metal alongthe rim of it generally on the top but it does move, this is the Crank Sensor Pin and if it doesnt have that then theres no way its going to start, Second, you might need to replace the Speed reference sensor, Its the grey sensor on top of the block, because those combined with the crank pin wont let it start, Third along with the speed reference sensor there is a Crank Shaft sensor, the black one next to the speed reference senor, these go bad after around 150K. And another would be to check the Oxygen Sensor; another one you might want to check even though you say it cranks, is check the Ignition coil
If you have any questions email me, and I can try to help (Had these same problems with more.) The.Squall1@gmail.com
Posted on Feb 03, 2009
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Posted on Jan 02, 2017
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