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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Mechanical Maintenance: Break-in / Oil & Fluids / Servicing / Warranty > Car is surging like crazy !!



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      07-22-2008, 01:33 PM   #1
Andrew@ET
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Car is surging like crazy !!

e92 328i 6mt

Ok well when ever i drive my car hard for about 5 min or so and im talking full throttle just messing around with friends or something my car all of a sudden goes into this jumping mode. I have a 6 mt and if im in 3rd gear 3k rpm and floor it to 4k rpm and let off the gas it does this huge lurch forward and it sounds bad. once it starts it wont stop anytime i tap the gas it just surges like crazy. if i turn off the car for about 10 min it goes away and drives normal.

Also sometimes just accelerating slowly i can feel very tiny surges in power like its not 100% smooth in the power.

any ideas before i bring it in telling them when i drive hard it does this :/
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      07-22-2008, 01:37 PM   #2
Andrew@ET
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btw the car always starts right up. On idle it does shake from time to time like its going to stall and the rpm keep trying to shoot up to keep it alive.

i also heard the tick from the engine time to time as well but it seems alot of people that that.
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      07-22-2008, 02:39 PM   #3
nj335i
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Might be the same issue as this:

Lurching
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Euro Delivery - April 2007

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      07-22-2008, 04:10 PM   #4
Andrew@ET
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hmm they are turbo tho. unless its not turbo related for them but we have differnt engines so idk. but it sucks i cant drive it hard cuz i know it will soon go into this safe slow lurching mode and no lights pop up thats the worst part.
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      07-22-2008, 04:12 PM   #5
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Nah, it's not turbo related. Pretty sure it's a problem with the drive by wire system.
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Euro Delivery - April 2007

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      07-22-2008, 04:33 PM   #6
Andrew@ET
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you think but its only when i drive it hard and for over 5 min..
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      07-22-2008, 08:54 PM   #7
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Bad gas maybe? Burn off the gass and try a different gas station. Any check engine lights? If there are if may be time for a trip to the dealer.
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      07-22-2008, 09:50 PM   #8
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always use differnt stations .. just fill where ever i am.

i did get a sel light like 2 days ago i check it at work and it was po440 evap pretty sure thats the gas tank but i click that dam thing everytime
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      07-22-2008, 10:21 PM   #9
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I don't think it's the gas tank. Check out this link. May help some.


http://www.obd-codes.com/p0440
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      07-22-2008, 10:39 PM   #10
Andrew@ET
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well it went away after 30 miles.
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      07-22-2008, 10:44 PM   #11
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Cool...hopefully it was just the gas cap.
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      07-23-2008, 08:08 AM   #12
Andrew@ET
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but that has nothing to do with my surging problem.
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