Question about 2001 BMW 5 Series

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My immaculate 2001 BMW 530 diesel occasionally wont start. It has been to a few specialists with money wasted on fruitless attempts to fix. When it wont start (it is now & then, about 5% of the times I start it), and once it won't start it "locks out with the problem, until you leave the car alone for an hour or so) It is not heat dependant, the battery is 100%, the starter motor fine, it is as if during the starter spin cycle there is a "cut-out" that comes in, and it won't then start.

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  • thermaflow May 11, 2009

    Thanks, a good and sensible thought; was suggested by a mechanic before, but I said if after an attempt the crank is now in a different position?? then this probably isn't this? We replaced the crank sensor anyway, but no luck. Thanks again, Any more good ideas?

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You may need to get a mechanic to cheak the crank angle sensor as if it is faulty if it gets into a certain position it wont let the car start

Posted on May 11, 2009

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