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Thread: Help! Installed a Air-to-Water Intercooler - STFT Pegged -25

  1. #1
    Join Date
    Jun 2005
    Location
    Temecula, CA
    Posts
    1,369
    My Cars
    1997 540i6, 2009 135i

    Unhappy Help! Installed a Air-to-Water Intercooler - STFT Pegged -25

    Very disappointed. I just finished installing a air-to-water intercooler. When I started the car it was running rough and the STFT pegged to -25. AFR is bouncing around, but averages 14.7 I guess - just not steady. STFT settled to around -16 while idling. I have not driven it, but it appears there is something wrong. Should I reset adaptations? No codes yet, but I suspect they are coming. Any help?

    o 1997 540i6 o Dinan supercharger system o Dinan stage 3 suspension system o Dinan wheels o UUC EVO3 SSK/DSSR o SS Headers o M-Tech illuminated shifter o M5 3.62 LSD o Cubic trim o Gauge rings o OEM In-dash CD o Ultimate pedals o Hella AE's o M-Sport Steering Wheel o 400 RWHP o A/W intercooler o Killer Chiller

  2. #2
    Join Date
    Jun 2005
    Location
    Temecula, CA
    Posts
    1,369
    My Cars
    1997 540i6, 2009 135i
    Pressure tested the intake to find air leaking out of the 3-mounting holes in the intercooler. Would have never thought those holes would go all the way through.

    intercooler_11x9.25x3.5bendio_specsheet.gif

    o 1997 540i6 o Dinan supercharger system o Dinan stage 3 suspension system o Dinan wheels o UUC EVO3 SSK/DSSR o SS Headers o M-Tech illuminated shifter o M5 3.62 LSD o Cubic trim o Gauge rings o OEM In-dash CD o Ultimate pedals o Hella AE's o M-Sport Steering Wheel o 400 RWHP o A/W intercooler o Killer Chiller

  3. #3
    Join Date
    Aug 2012
    Location
    CT
    Posts
    3,880
    My Cars
    Twin turbo LS E36 M3
    Is it a pull through maf?
    328i Sedan Twin s366's, 6.0LS, TH400, MS3 Ultimate
    9.20 at 150 on 22psi

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