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    Re: bmw 323 2.5 1999 Archived Message

    Posted by Mark Lamont on April 10, 2008, 9:42 pm, in reply to "bmw 323 2.5 1999 "

    Hi Jamie i have done a few BMWs with air leaks, after repairing the last one I reset adaptations when the car was running, the idle quality instantly improved. It looks like your long term fuel trims are minus values, indicating the ecu is reducing fuel to compensate for a rich mixture. The car will eventually learn the new values itself, but it could take quite a while, most scan tools can carry out the reset but never seen a launch so cant guide you through it. Have you got functional tests or something similar?

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