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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Don't want to jump to conclusions, but...



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      05-09-2007, 06:47 PM   #1
dolby
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Don't want to jump to conclusions, but...

While driving in traffic this afternoon in 2nd gear about 2.5-3.5k rpm the car in from of me changed lanes so as usual I give it some throttle and the car completely bogs. That's weird, I think to myself and I give it gas again and it does the same thing. Then I hit it again and it seems to be fine.
Also, before last week the car on the highway would average 30 plus mpg now I can't get it to average more than 28-29 mpg. I thought that was a bad tank of gas but have had 2 fill ups since then at different stations.
Could this be the begining of a common 335 problem. (I'm not gonna say those 2 words yet.)

My car was built in 09/06 and now has 7000 miles on it and has always started within a second.


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      05-09-2007, 06:56 PM   #2
bimmerboi
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FUEL PUMP!!! lol
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      05-09-2007, 06:59 PM   #3
Ryan(e92)
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yea my car bogs somtimes too. It also stutters sometimes when I let it into first gear. It hasnt completely gone out.... yet
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      05-09-2007, 06:59 PM   #4
Driver72
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Get to your dealer and order that fuel pump now.
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      05-09-2007, 07:41 PM   #5
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My car especially does this at times whenever I have the AC on. I don't notice it as much with AC off but still happens. I wonder if loading V1.45LBT will solve this problem. Been having it for 2-3 months now and fuel pump hasn't failed completely yet...
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      05-09-2007, 08:00 PM   #6
dolby
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Quote:
Originally Posted by bmwzimmer View Post
My car especially does this at times whenever I have the AC on. I don't notice it as much with AC off but still happens. I wonder if loading V1.45LBT will solve this problem. Been having it for 2-3 months now and fuel pump hasn't failed completely yet...
The AC was on at the time, but it happened the instant the gas was touched and did not throw a CEL. If it happens again, I'll switch to 1.45lbt.

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- 1998 E36M3/4 (retired)
- 2005 E46 330i ZHP (totaled)
- 2007 E90 335i Black/Blk/Alu Trim (retired)
- 2009 E90 M3 - Jet Blk on Blk mDCT
- 1987 E30 325is - track car conversion in progress
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