Active Autowerke G80/G82 M3/M4 Gen 2 Signature Equal Length mid-pipe (US Patent 11248511, UK and EU patent 3882441) n55 year-2012-make-bmw-model-335is

year-2012-make-bmw-model-335is

Specific design to correct a problem with X-Drive cars

Use the GREEN FiIter Cleaning KIT to help restore the life in your old GREEN filter

12 oz spray and 8 oz Green oil to clean and recharge your filter

all-new SIMON 4

Active Autowerke G80/G82 M3/M4 Gen 2 Signature Equal Length mid-pipe (US Patent 11248511, UK and EU patent 3882441) n55 year-2012-make-bmw-model-335isAfter 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