Accelaration problem!! Solutions please???

Discussion in 'E90 / E92 / E93 FAQ' started by mattnud, Jun 14, 2015.

  1. 14 Jun 2015 at 1:01 PM #1
    mattnud

    mattnud A mere Chipper

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    Can't find the problem with my m3 e92 when accelerating the car either delays,or jerks forward also with loss of power. Had diagnostic checks with all clear apart from air temperature sensor reading 50 degrees? Or maybe other possible reason could be the acceleration sensor? Has anyone else had a similar problem?
     
    mattnud, Jun 14, 2015
  2. 17 Jun 2015 at 7:59 PM #2
    Marky123

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    I have the same issue with mine, only now & again from stand still:confused:
     
    Marky123, Jun 17, 2015
  3. 25 Nov 2015 at 9:11 AM #3
    bmwguy

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    sorry to resurrect an old thread...but I have the same issue with my car! It's under warranty (approved used warranty) and with BMW as we speak, their diagnostics machine say its running fine - but I know its not! The tech took the car for a road test with me in the car (nearly loss it in the wet but that's another story) and he said it felt normal...he also went on to say he drives a 120d as a daily, so of course it would feel good in comparison.

    I am rambling on to ask...did you identify the problem in the end?

    Thanks!

    Guy
     
    bmwguy, Nov 25, 2015
  4. 25 Nov 2015 at 9:55 AM #4
    ShaunC

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    Have you tried it in MDM mode to rule out traction control?
     
    ShaunC, Nov 25, 2015
  5. 25 Nov 2015 at 10:26 AM #5
    tates

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    could be the start of the throttle actuator fault
     
    tates, Nov 25, 2015
  6. 25 Nov 2015 at 12:23 PM #6
    bmwguy

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    I'm too much of a p*ssy to turn traction off in the wet... I've only had the M for a few weeks and don't want to bin it into a hedge just yet.

    When I boot it I never get any traction lights flashing on the dash?
     
    bmwguy, Nov 25, 2015
  7. 25 Nov 2015 at 12:24 PM #7
    bmwguy

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    You could be right...one went a few weeks ago and its only a matter of time before the other goes.

    BMW would only replace the one as it was a warranty claim. It's only a matter of time before the other goes.
     
    bmwguy, Nov 25, 2015
  8. 30 Nov 2015 at 9:39 AM #8
    TheHunter

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    If you want a fast getaway and the TC is on it can be very intrusive and feel like the car loses power\jerks, I purposely engage MDM if I am going for a smaller gap in traffic. MDM isn't full TC off but doesn't interfere as much. You can hope it's that as it's cheaper than throttles. :)
     
    TheHunter, Nov 30, 2015
  9. 30 Nov 2015 at 10:24 AM #9
    long neck

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    If you are kangarroing it could also be down to the fuel, I had this when using shell vpower as others had the same issue on here so I did as advised and changed to BP ultimate = problem solved:thumbsup:
     
    long neck, Nov 30, 2015
  10. 5 Jan 2016 at 12:44 AM #10
    mattnud

    mattnud A mere Chipper

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    Booked the car in with bmw and had it reprogrammed and that sorted out the problem
     
    mattnud, Jan 5, 2016
  11. 2 Feb 2016 at 8:23 AM #11
    Struggle

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    shell Vpower ISN'T good enough??? thats the first i've heard of that.
     
    Struggle, Feb 2, 2016
  12. 12 Sep 2016 at 11:01 AM #12
    rege90

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    What exactly did they do, i'd be interested to know?
     
    rege90, Sep 12, 2016
  13. 12 Sep 2016 at 11:02 AM #13
    rege90

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    Indeed, I thought VPower was the fuel of choice, certainly it's what I always try and use :confused:
     
    rege90, Sep 12, 2016
  14. 12 Sep 2016 at 12:48 PM #14
    Reeno

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    Just my anecdotal 2c, i've used v-power nitro for the last year with no issues so it seems to vary from car to car.
     
    Reeno, Sep 12, 2016
  15. 15 Sep 2016 at 10:55 AM #15
    MaximumBob

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    I do find Shell nitro varies in quality from garage to garage and even from the same garage.
    Whether its because its a low demand fuel and so sits in the tanks for longer or whether sometimes they fill the underground tanks with standard U/L (by accident or on purpose).
    In any case every now and then I get a duff fill and the car feels off...once it was so bad the car started pinking after a minute or so. I contacted Shell to complain that the fuel was the wrong Ron but they refused to go to the garage and take a sample to check. Trading standards were as much use as a chocolate teapot as well.
    A rough cold idle (next cold start after a fuel fill) is usually a good sign of a fuel quality problem.

    I filled up last time from a different Shell garage and my car is absolutely flying at the moment so I'm fairly confident that Shells fuel varies in quality.
     
    MaximumBob, Sep 15, 2016
  16. 18 May 2017 at 8:07 AM #16
    compactpet

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    My car hates v power, runs perfect on momentum. Have tried various Shell garages and the result is always the same - lumpy and jerky below 3k. Back to momentum and all is good again.
     
    compactpet, May 18, 2017
  17. 2 Jun 2017 at 12:15 AM #17
    DanV8

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    Well IL be damned, I too though shell v power was the one to have

    Might aswell stick Tesco juice in to it now
     
    DanV8, Jun 2, 2017
  18. 20 Jul 2017 at 7:54 PM #18
    Pdelamare

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    Mine loves V-Power.
     
    Pdelamare, Jul 20, 2017

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