E90 330d power problems on dyno HELP !!!

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  1. E90 330d power problems on dyno HELP !!! 
    #1
    Bimmer Fan
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    Md330d's Car Details
    Model of Car:
    330d m sport e90
    Year of Manufacture:
    2006
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    Saloon

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    Hi all I'm new to the site great site and good to find help/advise frm other bimmer owners,
    I'm after some help/advise on my e90 330d 06 it's just had the dpf removed,decatted and egr bypassed with a stainless part, before all the work we put it on the dyno and did 246bhp on the first run as the car is already mapped to 268bhp so we cleaned the maf and map sensors and ran it again it did 269bhp,
    So the innards got ripped out dpf/cats and egr bypassed then remapped again with a power map what should take to 295bhp.
    We put it on the dyno and it ran -:
    246bhp 1st run
    279bhp 2nd run
    257bhp 3rd run
    Seems to be up and down for some reason we swapped the maf sensor with no change just at a loose end now with what the problem is, it still has the dredded swirl flaps in place and the blanking plates are gettin fitted Monday.
    So any advise would be fantastic to help me out
    Many thanks
     
     

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    #2
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    streetos's Car Details
    Model of Car:
    325d E92
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    Can you run it again connected up to Dis so you can monitor the parameters like boost and fuel flow?
     
     

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    Md330d (10-12-2013)

  5.  
    #3
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    Md330d's Car Details
    Model of Car:
    330d m sport e90
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    Hi steetos sorry Not very clued up on the tech stuff just pick things up from convo lol, the car is curently in bits waiting for the blanking plates to arrive but should be doin another run Tomoz night
    Thanks
    Last edited by Md330d; 08-12-2013 at 22:12. Reason: Wrong wording
     
     

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    #4
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    Md330d's Car Details
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    Wonder if it could be a map sensor problem as when it got cleaned on the second run it went ok what do you lads think ?
     
     

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    #5
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    streetos's Car Details
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    DIS is Diagnostic Information Software, the BMW diagnostic software. You can install it on a laptop and connect the laptop to the OBD port to diagnose issues, reset faults or monitor parameters while the car is running. Another option, if you've got an Android phone or tablet, would be to get the Torque App and a bluetooth OBD dongle, which you can get for a few quid off ebay. This turns your phone into an instrument to monitor the outputs from various engine sensors to give you mass air flow, boost pressure, coolant temp etc., stuff that would be very useful in diagnosing your problem.
     
     

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    Md330d (10-12-2013)

  10.  
    #6
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    Thanks for the help mate all is sorted swirl flaps got blanked new breather box thingey back on dyno and is a constant 295bhp well happy with it
     
     

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    #7
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    Good result then. I'd recommend the Torque app though if you've got an Android phone. Interesting and useful to see what's going on with the engine.
     
     

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    #8
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    Av only got iPhone pal not sure if ya can get one that works with it ?
     
     

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    Glad you got it sorted.

    What torque did it make in the end? Do you have a dyno graph you could post up as I'm thinking about having this done & also live in Barnsley?
     
     

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    Md330d (10-12-2013)

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    #10
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    Yes mate I have the print out av left it at my mates I will post the figures Tomoz can't put it on here as I only got my phone, it's responsive through all gears picks up very well well happy with it, what filter would be recommended either k&N or pipercross ?
     
     

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