A simple 30 minute install will give you a huge increase in power. The aFe POWER SCORCHER GT Module includes a high quality case & wire harness with factory style connectors for an easy plug & play installation. A LED light switch provides In-Cabin On-The-Fly power adjustments. The 4-Power settings are adjustable with one button and the LED light represent the settings: Stock (Green), Sport (Yellow), Sport+ (Orange) and Race (Red) . This performance module increase turbo boost. It improves vehicle performance and throttle response. In testing, this module resulted in significant +40 horsepower and up to +80 lbs. x ft. of torque verified by our in house dyno. SCORCHER GT Power Module BMW 335i (E9X) 11-12 L6-3.0L (t) N55 BMW 335i (E9X) 11-12 L6-3.0L (t) N55