G2X M340i M440i Valved Rear Axle-back Exhaust G3X When you purchase the software

When you purchase the software

Faster turbo spool and improved throttle response

0) Twin Turbo motor is BMW's newest powerhouse

Active Autowerke S58 Signature Downpipes Benefits

Large mandrel bent piping for maximum flow

G2X M340i M440i Valved Rear Axle-back Exhaust G3X When you purchase the softwareG2X BMW M340i M440i Rear Exhaust At Active Autowerke, it's not ONLY about making as much power as possible but to maximize the enjoyment of the drive. For 40 years, power has been the end result of improved performance due to our relentless desire to develop a refined, quality product. This philosophy behind our performance parts is best represented by one of the newest additions to our G2X BMW M340i and M440i collection. The Active Autowerke M340i