Active Autowerke E46 Methanol Injection System | 323 325 328 330 M3Superchargers and turbochargers generate more than just boost. They generate a ton of incremental heat during operation, resulting in a heat soaked engine and eroded performance. So their power increase creates its own power decrease problem. Oops. But an Active Autowerke methanol water injection system will help chill the intake charge to a cooler temperature effectively combating the heat soak effect. Additionally, the methanol water mix increases