I bought a HPF M3 and new little about its past life. I took the car to EAS and they ran the dyno and they said it was running bad. The car will also idle around 2k rpms after running and stay there. The Tuner that remotes in said he cant tune this ecu. 
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This is the ECU
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Yikes what the hell. AEM HPF ECU? You are probably better off tuning on stock DME. That being said, I know a tuner that can tune that AEM unit and has done turbo S54s before. I can refer you to him.Originally posted by gashby View PostInstagram: @logicalconclusionComment
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Lab22 (John) original designer from HPF would be good to reach out to. I know he carried on doing turbos for our cars.Comment
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