Active Autowerke X3M / X4M Signature Equal Length midpipe level 2 M235i and M2 owners experience

M235i and M2 owners experience even running with the factory BMW boost

Up to 100 Ft / LB Rear wheel FT/LBs measured on the dyno

exhaust gases exit the turbochargers more efficiently—helping the turbos spool faster and reducing exhaust backpressure

Very useful tool if one requires any additional software upgrades or revisions that may be needed in the near future

Active Autowerke X3M / X4M Signature Equal Length midpipe level 2 M235i and M2 owners experienceAfter 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