Pay in 4 interest-free payments of $354.52 Learn more
Ships within 48 hours · Estimated delivery Aug 13 - Aug 18
Software Options:Included is a Simon 2 Cable to install the software yourself
Can reach operational efficiency within 9 seconds of startup
better sound and appearance making it the choice for the avid BMW enthusiast
Special thanks goes out to Frank Smith and the guys at Tuning Tech
WE RECOMMEND TO OWNERS WITH AFTERMARKET DOWNPIPES TO USE THE RESONATED VERSION BUT WE HAVE ONLY TESTED WITH THE STOCK REAR EXHAUST AND ACTIVE MAAD MAXX EXHAUST
Active Autowerke Valved Rear Exhaust - M340i / M440i Select Tip Finish:Brushed Software Options:Included is a SimonAt 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 G3X BMW M340i and M440i collection. The Active Autowerke M340i M440i rear exhaust was
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