Active Autowerke X3M / X4M Signature Equal Length midpipe level 2 detailed remapping to the entire

detailed remapping to the entire DME we have been able to increase your S54's output by 14 HP and 11 ft lbs of torque on a stock BMW E46 M3 with factory settings for a normal street car

This simply wasn't possible with the G5 or SIMON 3 as it proved too costly for our consumers

Active Autowerke Supra MKV Signature Catted Downpipe Benefits

Upon analyzing the F8X exhaust

Active Autowerke X3M / X4M Signature Equal Length midpipe level 2 detailed remapping to the entireAfter extensive research and development, ACTIVE AUTOWERKE has announced GEN 2 of our EL midpipes. We worked with our factories to create specially developed RESONATORS that remove rasp from the exhaust tones with minimal change in the volume of the sound. A side benefit is that this also resulted in a reduction in the "2k buzzing" annoying to some BMW owners as well as a reduction in the cold start rattle from the factory. We are recommending to