OP,
Let me start by asking you, what RPM are you driving/cruising at after the HKS install?
Before you answer, I'll just tell you that if you cruise at the same rpm before and after the HKS install, of course your gonna get a drone!
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'08 AW E90 335i
PROcede V5 | BMS DCI | RR DPs | ETS FMIC | FORGE DVs | Stett CP | Vanguard | PSS10
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