BMW Questions? Ask a BMW Repair Expert for Answers.
what has been checked so far?
how do you know the battery is good? does the radio come on? do you have interior lights? will the cabin fan blow?
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in that case you have a power distribution failure - either the cabling is bad/loose or there is a big problem with the battery or fuse box. The problem isn't that the car won't crank, the problem is that the car has zero electrical power being distributed.
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