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  1. Dominess

    S3 Fan control APY to BAM conversation

    Hi guys, I've got an Audi S3 8L, the car originally came with APY engine. Then previous owner put BAM engine in it and I'm now changing the ECU from APY to BAM (wideband conversion) but I'm having problems with my fans not kicking in, they only run with the A/C on. The APY FCM has different...