The BMW Performance Power Kit is available for the xDrive35i and xDrive50i. Horsepower for the 6 cylinder is bumped up to 320 and torque goes to 332 lb-ft. For the twin turbo V8 the power level is boosted to 440 hp and torque to 480 lb-ft. 0-60 for the Drive50i is said to be 5 seconds flat now with the $1,370 kit. Performance exhausts for both motors are also being developed. These parts are in addition to the BMW Performance cosmetics modifications which we already detailed.
BMW Performance releases powerkit for N55 and N63 E71 X6, exhaust under developmentThis article was originally published in forum thread: BMW Performance releases powerkit for N55 and N63 E71 X6, exhaust under development started by Sticky View original post