Just started doing this in the last week. It takes for ever to start but runs just fine once it does. I've checked all fuses, the e32 harness, and I have fuel since it runs fine. Am I not checking something obvious or did I miss something?
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Is the fuel pressure regulator serviceable?
Check fuel pressure at ignition 'on' before cranking, you could have an issue with a tired fuel pump and check valve.
Double check fuel filter.
Did you have issues with the original motor?///Monstrosity. (OO≡≡[][]≡≡OO)
Aside from showing yourself to be offensive, lacking experience and ignorant in the ways of business, you're also illiterate and imprudent. Beyond that, your sense of liability is severely impaired.
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No, it started just fine before my swap and I put a new filter in last year.
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Dieing battery.
Every single start?
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Did you have the head off the car at all? Me thinks timing could be a cause of hard start. If the chain is off a cog or two it might be problematic.Si vis pacem, para bellum.
New Hawtness: 1995 540i/6 Claptrap
Defunct too: Cirrusblau m30 Project
Defunct (sold): Alta Vista
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no it's not every start, and I had the head off when i rebuilt it months ago. This didn't start happening until about a week ago, and it's sporadic now. Kronus, I'm thinking you might be right about the fuel pump as it's the only part I haven't replaced and very well could be starting to go. I park on a decline in front of my house, and it does it 85% of the time then, but when it's on flat ground it starts right up...weird.Comment
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Put a gauge on the fuel line to check fuel pressure, It will prove the pump and check valve straight away.///Monstrosity. (OO≡≡[][]≡≡OO)
Aside from showing yourself to be offensive, lacking experience and ignorant in the ways of business, you're also illiterate and imprudent. Beyond that, your sense of liability is severely impaired.
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Mine goes to 0psi after sitting but still starts up good.
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Cold start valve? Mine broke at the hookup on an older m30 and took 20+ cranks to start. Did that for a week, then it magically decided to work.Comment
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B35 doesn't have a cold start valve
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So when I unplug the AFM it starts right up, does that mean its going bad or just need to be cleaned? I cleaned the plug and connection with some CRC so hopefully that helps.
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Yes.Originally posted by LowR3V'in View PostMine goes to 0psi after sitting but still starts up good.
Check fuel crank pressure with ignition 'on' (fuel system is primed ready for start)///Monstrosity. (OO≡≡[][]≡≡OO)
Aside from showing yourself to be offensive, lacking experience and ignorant in the ways of business, you're also illiterate and imprudent. Beyond that, your sense of liability is severely impaired.
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I have an early eta so the fuel pump doesn't prime in the on position.
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I checked the resistance on the cps yesterday and it was way off. It measured ~1350 at 40° F, but I'm not sure how that translates when it's supposed to be between 490 and 590 at 68°F. I cleaned a bunch of grime off of it too and now it starts a lot better. I guess that was the problem?
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