Question about 1998 BMW M3

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Engine cranks over fine but will not start. Plenty of fuel in tank. Battery good, checked fuses

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OK, you have gas, is it getting to the cylinders? Pull out a plug and squirt a little gas in at least one of them and see if it fires, If not, pull the plug out and rewire it and lay it on a piece of metal and see if you have a spark. If no spark, track down the coils and check them out, If you can borrow some body's coil pack, do it, it is cheaper than buying the pack and it not be the problem. If not the coil, some cars had an ignitor, and then the next thing would be the computer, cam position sensor, crank position sensor, these type of things. A code reader should tell you the cause. If you can borrow one from the parts store or rent one. It will save a lot of time and trouble. Hope this helps.

Posted on Nov 06, 2010

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Check your coil and ignitor maybe thats not picking up enough sparks to crank over the motor
hope that helps

Posted on Nov 06, 2010

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