RS tuning module for BMW

The bestseller. A completely new optimization software with enhanced engine-specific adjustments, high-quality hardware as well as a comprehensive service and warranty package will make every driver (TM) s heart beat faster. The customized performance software adds up to +55 HP and +58 ft-lb torque to your BMW. Up to +20% MPG. Plug and Play installation within 15 minutes. Easy reset to stock condition. Made in Germany. 5 years Limited Warranty. Manufacturers protection mechanisms remain functional. Autobahn tested tuning and market leading technology. Pro-grade FCI connector made in Germany