BMW N63 & N63TU Midpipes For 750i, 550i, 650i - ARM Motorsports Downpipe:Yes Add insert the factory pump

insert the factory pump

Power gains on the 1

The JB4 Performance Tuner also does not require any user setup or customization but for those who are interested in logging

Hardware Our hardware solution consists of an adapter cable which has one end that plugs into the USB port of a laptop or desktop computer and another end that plugs into the OBDII diagnostic scanner port of your car

BMW N63 & N63TU Midpipes For 750i, 550i, 650i - ARM Motorsports Downpipe:Yes Add insert the factory pumpThe ARM N63 Midpipes are designed to unleash the true sound of your 4. 4L twin turbo BMW by replacing both sections of the factory N63 midpipes with a straight piped, free flowing exhaust system. The OEM N63 midpipes contain two resonators and a center muffler that significantly mute the aggressive tone of the N63 engine. By removing these restrictions, the ARM N63 Midpipes allow the engines natural sound to come through. Below are sound clips of the