unless the inline 4s are different the fuel pump doesn't prime on a E30. The fuel will not turn on until you are actually cranking the engine over.
Is it cranking every time you try to start it? I had an issue with my Main relay going out when it got hot. I had to replace my relays and because I went with a higher flowing pump it would pop the 7.5 fuse ( went to a bigger fuse). Could also be a ground or the harness grounding out.
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This basically shows that the car is cranking just no sound from fuel pump when I turn keyLeave a comment:
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Fuel pump not priming
Hey all,
My 318i has been struggling recently starting up. Seems like the pump doesn’t want to turn on and prime. I replaced the fuse and the relays looks fine but the issue still happens. I even checked the connections to the pump and they were good. Any ideas on what this may be? The pump was replaced 6 months ago, and the issue seems to happen spontaneously to the point where is runs I park it then 5 mins later I try to start it and nothing happens. I linked a video down low to show you all what I mean.
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