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E46 Xi Forum
The E46 XI was produced from 01-05 in sedan and touring body styles. Powered by either a 2.5L inline 6 in the 325xi or a 3.0L inline 6 330xi. Discuss all thing about BMW AWD E46 'Xi' here.

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Old 12-07-2011, 03:15 AM   #1
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Join Date: Jul 2009
Location: Cincinnati, Ohio
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My Ride: 2003 325xi

So I got in my car tonight and as soon as I started driving my check engine light came on. The car wasn't doing anything funny at first but when I started driving up a very small incline it started to putt like it was running out of gas but it has a full tank. Once it leveled out it drove fine. I made it home and turned the car off, let it sit for a minute, and tried to start it again and it did, but started putting right away and cut off. Anyone have any ideas of what this could be?
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Old 12-07-2011, 04:13 AM   #2
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Location: Glendale, AZ
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My Ride: 01 330i
Same thing Happened to me a while ago except fort the incline part, my car was sputtering like crazy then it went away and it drove fine, then it started sputtered again and eventually died. made the mistake of taking it to a dealership because the car was still fairly new to me. The dealer replaced the crank case vent valve(all components) and the lower intake boot. You might have a vacuum leak somewhere, get the codes read and post what codes you have.

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Old 12-07-2011, 08:29 AM   #3
Mark M
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Without reading the code and seeing the car to perform a real diagnosis.....

It sounds most like a failing fuel pump, clogged fuel filter, or failing coil packs.

You need to have the codes read to find out for sure. Take into account, not all codes are the root cause of the failure mode. Some codes are symptoms of something failing upstream. (aka...on the e46 there is no code for a failing fuel pump)
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Old 12-07-2011, 09:06 AM   #4
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get the code read.
that should be done before even posting this thread.
2009 Mazda RX-8 R3
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Old 12-07-2011, 12:10 PM   #5
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[QUOTE=jasonbimmer;13869023]get the code read.
that should be done before even posting this thread.[/QUOTE.
Try checking your fuel pressure on top of your manifold "double check location on realoem.com w Vin #.. I have a thread on fuel pump! I recently changed... I knew it was fuel pump bec I been on preventive maintenance schedule hehe.. I had new ignition coils,fuel filter,spark plugs.. Good luck! ------Video camera would help us and you a lot more lol...
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