BMW/no spark to my e30
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tommyspanner wrote at 2010-03-19 15:52:25
check inline battery fuse (smaller wire)from the positive terminal,it feeds the dme relay for the ecu also feeds the fuel pump you will have to cut into the shrinkrwram sleeve to access it the tend to rot due to damp boot/trunk conditions,its a 50 amp hope this helps
Gunn wrote at 2010-06-10 09:10:45
I hope this helps anyone else with this problem out. I had the same problem. It turns out it was the crank position sensor. It would start ... sometimes. when it did it ran fine. I decided to give that a try and it fired right up ! If that little CPS cable is fried the CPU won't even let the coil send spark or any fuel to pump.
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Josh Fields
Expertise
I can answer questions related to the BMW e30. These are the cars produced from 1984-1991 (1992 for convertable) in the United states. I am more fluent with the six cylinder models, although few things changed for the 4 cylinder cars. I know most of the problematic areas of these cars, and have found ways to fix them.
Experience
I have owned six different E30's over the last 10 years. I do all my own work, and know about ever nut and bolt on these cars.
Organizations
BMW Car Club of America
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