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#1
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BMW X3 wont start
Any ideas where to look, or what to try? I have no OBD readers, and trying to search the internet for method to access the SIA diagnostics through the console. Will probably have it towed to a local BMW mechanic, or BMW dealership if 1st mechanic is clueless. |
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#2
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I removed the spark plugs and coils one by one, and cleaned the plugs with brake cleaner and brush, and contacts with electrical contact cleaning spray. I also cleaned the MassAir FLow sensor while I was at it. It took a miassive amount of cranking and the X3 did finally start. I held the clutch in while the engine hard a time going above 500RPM. After about a minute or so, it shot back 1000RPM or so, and hummed merrily along.
I left the engine on for 5-10 minutes. Turned it off, waited for a minute, and started it again within 1-2 seconds without any hesitation this time. We'll see how that goes. Maybe I hit a bad batch of fuel, or spark plugs which I changed 65,000Kms ago, are already fouled. To be continued ... |
#3
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ck your fuel pump relay or fuse
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#4
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you try a different key.
i just posted this on another thread, its the easiest thing to try. a bad key cause starting issues? (referring to the programming)
__________________
focus!
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#5
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Has the vehicle seen mostly short trips and urban driving? My X3 likes long trips, and stutters (cranks awhile) if I don't take it out once a week for a highway drive.
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#6
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Quote:
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#7
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Yup. got half a tank. thanks for asking though.
As mentioned earlier, I cleaned the plugs, the coils, the MAF sensor, and added about a cup of fuel injector cleaner in the tank. Called my mechanic who says I got lucky, and he suspects it will occur again. He was thinking that either the fuel pump or fuel relay is starting to go. The X3 has been starting like a new truck in the last 24 hours. Im crossing my fingers. Last edited by dcaron9999; 03-05-2009 at 01:40 PM. |
#8
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