Engine Mechanical problem
1993 BMW 318 4 cyl Two Wheel Drive Automatic 99000 miles
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have a bmw 318 car runs sometime and then won't start at all, put a fuel pump relay into at she started and two days later it wouldn't start. alarm is disconnected. engine cranks over bu no joy.

Check and see if the fuel pump is working, try spraying carb/brake cleaner into the intake to see if it will start and run, if it does it is a pretty good indicator the fuel pump is toast, repost if not.