2001 325I Sputters - BMW Forum - BimmerWerkz.com
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#1 (permalink) Old 06-03-2008, 11:38 PM
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2001 325I Sputters

I just had my 50,000 mile service performed, but lately when I start the car when it is cold it sputters for a second or two. A couple quick revs usually takes care of this and once the car is warm there is no problem at all. I can't figure out what is going on. I use 92 octane fuel and can't figure out what is causing it. It feels like it is getting ready to stall but never does. Someone please help.
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#2 (permalink) Old 06-03-2008, 11:40 PM
OMFG another one!?
 
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Could there be water in the fuel?

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#3 (permalink) Old 06-04-2008, 08:45 AM
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cold start circuit problem
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#4 (permalink) Old 06-04-2008, 11:05 PM
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2001 325I Sputters when cold.

I called my local BMW dealer today since I just had the 50,000 mile service performed. I spoke with one of their technicians and he said it sounded like bad gas. They recommended that I run Techron and fill it up with Chevron 93 octane with Techron as well. I did this and so far so good. I can't believe how touchy these cars are. You would think when you spend this much on a car that it would not be so sensitive. I really hope this fixed the problem. I also ordered a K&N filter kit for it today, and I hope that will help. Thanks for the help guys.
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#5 (permalink) Old 06-05-2008, 09:17 PM
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Originally Posted by uctke502 View Post
I called my local BMW dealer today since I just had the 50,000 mile service performed. I spoke with one of their technicians and he said it sounded like bad gas. They recommended that I run Techron and fill it up with Chevron 93 octane with Techron as well. I did this and so far so good. I can't believe how touchy these cars are. You would think when you spend this much on a car that it would not be so sensitive. I really hope this fixed the problem. I also ordered a K&N filter kit for it today, and I hope that will help. Thanks for the help guys.
I am not so sure about the 93 octane. I n general, BMW are designed to run with mid-grade fuel(89 octane).... I could be wrong but check ur fuel door for the manufacturer's specs. But you mentioned Techron which is in essence a solvent that cleans your injectors as you drive, and if u noticed a difference, then the problem you had was actually a partially clogged injector, and not fuel choice ;-)
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#6 (permalink) Old 06-18-2008, 10:00 PM
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Just wanted to let everyone know that I called the dealer and they said to run some Techron and fill the car with 93 Octane from Chevron, which they recommend. I did this, and unbelievably the problem stopped. I have not had a problem with the car since. I thought it would have been something more serious. I can't believe it was the gas that I was using causing the problem. I always use at least 92 octane, but not always from the same station. I still can't believe that fixed it. Thanks for all of the responses and help.
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