I dont know what happened, the car has been driving nicely and it feels more powerful then ever. All of a sudden, i had to go to the supermarket earlier today and i start up the car, everything sounded right and within a few seconds, the car dies on me. I have tried it at least 10 times and this same thing happens. The car starts, and it bogs, and then dies. I have installed new headlights Proj39 in the last few days, but i doubt that has anything to do with it. Anyone have any ideas?
.:2000 BMW M5 - Black /// LED taillights, AFE Cold Air Intake w/ bumper ducts, CF Grill, MKIV Nav + Screen, SS Magnum Exhaust, Proj39 AE Xenon HeadLights
Didn't you do the AFE Intakes as well? Check the intake area for anything out of the ordinary (MAFS too).
BMWCCA Member: #458927
Current BMW's:
2010 X5 Diesel
2000 M5, Sport, DSP
1999 540iA Sport, DSP
Prior BMW's:
2007 750i Sport, L7
2007 335i Sport, L7
2004 X5 4.8iS
1997 M3 Coupe
yeah i did, i looked at them and they look normal, i was getting scared maybe the intake fell off bc maybe it wasnt secured enough to the hose and cicadas flew into the engine through the bumper intake holes i made. We have like a million cicadas, i killed at least 5 in 10 minutes of driving earlier today.
Could the maf's cause the car to die? I did try cleaning them a few days ago, maybe i made a mistake or screwed them up? The car had been driving good for the past few days.
.:2000 BMW M5 - Black /// LED taillights, AFE Cold Air Intake w/ bumper ducts, CF Grill, MKIV Nav + Screen, SS Magnum Exhaust, Proj39 AE Xenon HeadLights
It could be but try to fill up the tank and see what happens. Could be the fuel pump itself. Or as simple as the fuel filter but honestly I dont know how these bimmers act when the filter is clogged to crap. Try the full fuel tank bit and see what happens. If it works just fine then let it run its course. If it starts to shut off again, its the pump.
Another FP5241 Creation
Parting out M54 Engine. Intake and all. Cats avail as well. PM ME!
.:2000 BMW M5 - Black /// LED taillights, AFE Cold Air Intake w/ bumper ducts, CF Grill, MKIV Nav + Screen, SS Magnum Exhaust, Proj39 AE Xenon HeadLights
sounds like MAF.
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Yep Maf isnt the issue here. Most likely a fuel supply issue. Filter (best case scenario) and the pump (worst case)
When was the last time you changed the fuel filter?
Another FP5241 Creation
Parting out M54 Engine. Intake and all. Cats avail as well. PM ME!
Ok, so... i went outside to start the car up again, again... no luck. Did it three times. I'm like wtf, so i opened the hood and disconnected the MAF sensors wires and started up the car no problem... other than the rough idle if u tried pressing the gas, but it didnt die on me. Reconnected the maf's wires, die on me again. Disconnected one last time, started the car no problem (still idled hard every time i pressed the gas slightly). I think it may be the MAF's, i will try it and see whats going on. Hopefully my fiance will be here soon with the torx driver.
.:2000 BMW M5 - Black /// LED taillights, AFE Cold Air Intake w/ bumper ducts, CF Grill, MKIV Nav + Screen, SS Magnum Exhaust, Proj39 AE Xenon HeadLights
Another FP5241 Creation
Parting out M54 Engine. Intake and all. Cats avail as well. PM ME!
i start torxing the mafs and i notice the previous owner had put one new MAF because the torx screw was 5pt for one and the original 6pt for the other. So now i have to go back to pepboys to get a 5pt too... damn i hate driving the tiburon. I think the performance airfilters may have dirtied the maf's but not positive.
.:2000 BMW M5 - Black /// LED taillights, AFE Cold Air Intake w/ bumper ducts, CF Grill, MKIV Nav + Screen, SS Magnum Exhaust, Proj39 AE Xenon HeadLights
no go, replaced the MAF's, car wont even start now. i mean, its trying but it wont start like before when it would start and die immediately.
.:2000 BMW M5 - Black /// LED taillights, AFE Cold Air Intake w/ bumper ducts, CF Grill, MKIV Nav + Screen, SS Magnum Exhaust, Proj39 AE Xenon HeadLights
does anyone know where the ecm is on the m5? fuel pump fuse, etc. i removed both air filter boxes in the engine compartment but there was no ecm unit
.:2000 BMW M5 - Black /// LED taillights, AFE Cold Air Intake w/ bumper ducts, CF Grill, MKIV Nav + Screen, SS Magnum Exhaust, Proj39 AE Xenon HeadLights
Wow. I thought for sure it was the MAF. I can start my car and if I back the MAF out it will shut down.
Even if the CPS is bad, the car should still run. The CPS only functions at start up to let the fuel injection system know the orientation of the camshaft. My 540 was throwing the CPS code but still ran. It runs a hell of alot better since I replaced it.
Wierd problem.
GL troubleshooting.
i just added gas maybe that was the problem, nope. i am going to check the fuse tomorrow and if that doesnt work, i will take it to a mechanic.
.:2000 BMW M5 - Black /// LED taillights, AFE Cold Air Intake w/ bumper ducts, CF Grill, MKIV Nav + Screen, SS Magnum Exhaust, Proj39 AE Xenon HeadLights
sounds like a bad MAF. consider reading out fault memory.
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