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My BMW 318i will not start

Tiny
ANDREYANTONYUK
  • MEMBER
  • 1994 BMW 318I
  • 125 MILES
My BMW 318i will not start. When I was entering the autobahn from an exit I put the car in 4 gear and began accelerating. The engine died abruptly (no jerking, jolting, sputtering) just cut off, as if I turned the key off. It will not start up again. The current mechanic who is working on it for about a week ran out of ideas. Things tested are: fuel pump, ecm, crank/cam position sensor, relays. Now I do no know if my car has a imobilization system, but I had heard that it may cause an issue like this. Please help. Thank You.
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Tuesday, January 22nd, 2013 AT 7:57 AM

3 Replies

Tiny
DOCHAGERTY
  • MECHANIC
  • 9,601 POSTS
Perform a compression test yet?
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Monday, February 4th, 2013 AT 5:49 AM
Tiny
ANDREYANTONYUK
  • MEMBER
  • 2 POSTS
Well my mechanic figured it. It took him 2 weeks but he did it. It turns out that the sensor on the air intake has failed and therefore the PCM refused to provide ignition to the engine. Said that once he replaced it, it fired right up.
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Monday, February 4th, 2013 AT 1:04 PM
Tiny
DOCHAGERTY
  • MECHANIC
  • 9,601 POSTS
Odd but possible I suppose
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Monday, February 4th, 2013 AT 9:52 PM

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