• 7PSI Supercharger system for BMW E60/61 545i and E63/64 645Ci.

• Adds 120 hp/80 ft. lbs. torque

• 100% complete bolt-on system

• Front inlet 5h Generation Eaton TVS supercharger with integral bypass valve

• Patented cast aluminum intake manifold replaces factory composite unit and features the latest in proprietary intercooler airflow technology (patent pending)

• High capacity front mount heat exchanger system with OEM grade circulation pump and expansion tank.

• 180° rotation of supercharger provides straight airflow path for maximum power and efficiency

• Internal bypass valve virtually eliminates parasitic loss.

• Delivers a proven increase in real world "under the curve" power.  Best of all, it costs less than 1/3 of a horse at 60 mph crusing.  Now that's real efficiency.

• Fuel system includes new Bosch OEM fitment injectors, extruded aluminum fuel rails and factory "push-lock" connectors.

• Perfectly optimized ESS ECU software delivers OEM drivability and ensures optimum engine safety/longevity along with neck snapping power and instand throttle response.

• Installs in 12-14 hours

• Std. 2-year/unlimited mileage warranty

*The ESS E-Flash OBD2 cable option allows the end user to upload the supercharger ECU software directly to the car from any PC running Windows XP or newer. The system also includes full diagnostic and code clearing capability. Any future ESS software updates can be received by email and loaded directly to the car. The stock ECU software will be saved and can easily be restored in the future.