E39 M5 SHR-560 Supercharger Kit
The E39 M5 supercharger system delivers unparalleled acceleration and everyday driveability matched with the reliability customers have come to expect from SHR. Countless hours of development and testing have resulted in a supercharger system that produces 550 horsepower and 620NM of torque with the smoothness and drivability of a stock car. Component quality matches or exceeds BMW OEM specification throughout the kit.
The system is based upon Vortech's efficient and reliable gear driven and self contained V3 supercharger, featuring helical cut gears for quiet operation. The redesigned MSS52 engine control software is perfectly calibrated for the supercharged engine providing optimum ignition timing under all conditions, recalibrated EGas for quicker throttle response, recalibrated VANOS control and perfectly optimized fuel delivery supplied by 8 larger Bosch injection valves ensures that the engine is operating ideally under all conditions.
The system maintains all OBD-II functions, and it is backed by a comprehensive 2 year, unlimited mileage warranty. The system installs in 8-10 hours using normal hand tools and no irreversible modifications to the car is necessary.
Stage 1 - non-intercooled 5.5 PSI
Stage 2 - non-intercooled, bigger injector and smaller pulleys for 8.5 PSI
Stage 2.5 - stage 2 + water-methanol cooled