aFe POWER SCORCHER BLUE Power modules are the next generation of plug-and-play electronic module technology. It is the fastest way to safely gain significant horsepower, torque and improve drivability without modifying or leaving any trace on the Engine Control Unit (ECU). The SCORCHER BLUE features an LED control switch for in-cabin, on-the-fly power adjustments with different preset modes. With Bluetooth connectivity you can tap into your iOS or Android device to make power adjustments, custom tune different power modes, view gauges for engine parameters, upgrade to the latest version, measure acceleration times and more. The app is downloadable for free on the App Store or Google Play store. The SCORCHER BLUE Power module increases turbo boost and overall vehicle performance, producing double-digit power gains on our in-house dyno. Designed with factory-style connectors, it easily connects to engine sensors for a quick and simple install. The LED control switch can be routed through the firewall into the cabin or connect to the module via Bluetooth with the smartphone app. In-cabin, on-the-fly power adjustments can be made to accommodate your driving needs. Select one of four power settings on the in-cab LED control switch or control the module remotely via the free iOS or android app. The smartphone connects to the module via Bluetooth and displays engine parameters (MAP). This power module has four power settings loaded and identifiable with the LED light on the switch or smartphone app: Stock (Green), Sport (Yellow), Sport+ (Orange) and Race (Red). The SCORCHER BLUE module is Bluetooth 4.0 capable and can connect to most iOS or Android devices. Bluetooth connectivity allows control of the module from you mobile device without the need to run any wires through the firewall. SCORCHER BLUE Bluetooth Capable Power Module BMW M3/M4 (G80/82/83) 21-24 L6-3.0L (tt) S58 BMW M3/M4 (G80/82/83) 21-24 L6-3.0L (tt) S58