This is a Harrop Charged-Air Intercooled Supercharger system with a TVS1740 head unit for the 2007-2013 BMW E90/E92/E93 4.0L S65 This system is 100% complete, harrop calibration, fuel injector upgrade, all necessary hoses and hardware to install. If you have other modifications such as headers, midpipe, camshaft, etc. then customer must get additional tuning done!. The Harrop TVS1740 Supercharger is capable of producing over 600+ hp with further supporting modifications
Designed and manufactured by Harrop to OE standards specifically for the E9X M3, utilizing latest generation Eaton TVS supercharger technology.
