Alright, well I've done a fair amount of research on this but wanted some opinions. I have an S50 swapped 91 318is and after driving the car for about 10-15 min then letting it sit while I go in a store or something and come out, it wont start. I have replaced a lot of items, new fuel pump, fuel filter, new crank sensor, starter, coolant temp sensors and battery but still have the same issue. I'm running out of patience, I should note that the motor doesn't try to crank when I start it, all I can hear is the fuel pump. Generally if I leave it alone for an hour it will start up again, but this is a nuisance. It seems like something is getting heat soaked but frankly I'm out of ideas. Any insight? Thanks again guys.
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Maybe its your starter being intermittent? Have you tried giving it a whack with a big pole while someone tries to crank the car over? -
I haven't, but originally we thought it was the starter so it was replaced less than a week ago and the problem still occurs, not saying the starter is not bad, but it has been replacedComment
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Check your grounds. Maybe as the engine gets to temperature something is moving and you're losing good connection. Sounds like it could be time to bust out the multimeter.Comment
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Ok well a friend came over today and we went through the grounds and they all seemed very tight. I had delusions of hearing the fuel pump when the car wouldnt start..we drove it around for 10 min again and it wouldnt fire up after 5 min of sitting nor would the fuel pump kick on. After sitting for 10-15 min more the fuel pump kicked on and the car fired right up..we are thinking this is ignition related? If the ignition switch is getting too hot could this be a reasonable cause for my issue? Thanks guys!Comment
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