Active Autowerke E9X M3 Supercharger Kit Gen 2 Level 3 Color:Black The sound is unobtrusive

The sound is unobtrusive

since higher horsepower numbers will only increase as the temperature falls and the air becomes more dense

Larger diameter mandrel bent piping for maximum flow

year-2014-make-bmw-model-m5

year-1999-make-bmw

Active Autowerke E9X M3 Supercharger Kit Gen 2 Level 3 Color:Black The sound is unobtrusiveBREAKING NEWS 11. 21. 2014 Owner, Mark Tarr from Victoria, British Columbia,CANADA brought his BMW E9x M3 with the Active Autowerke 700 horsepower supercharger system to a performance sanctioned event to run. Mark ran against a few admirable BMWs, but was astounded with the outcome of his driving. The Active Autowerke 700 horsepower BMW M3 dominated the competition. READ more here with write up, multiple videos and a list of the contenders. Here at