Active Autowerke Downpipe w/ GESI G-Sport Cat - 2016+ M240i / 340i / 440i (B58) BMW 3 Series E9X (2006-2012) 335d M57 3.0L One Size Fits All

One Size Fits All

Improved Sound Quality: Eliminates the "weed eater" sound

This beautiful and shimmery handmade beaded headband is so eye-catching

Length: 21"

The filter oil also contains a swelling additive for the cotton filtration media

Active Autowerke Downpipe w/ GESI G-Sport Cat - 2016+ M240i / 340i / 440i (B58) BMW 3 Series E9X (2006-2012) 335d M57 3.0L One Size Fits AllBMW introduced a new valvet ronic, single turbo version of its direct injection engine for the later F Chassis models beginning in 2016 and carried over to the G chassis models. The Active Autowerke B58 downpipe for the M340i and M440i helps unleash some of the potential that is restricted by the OEM downpipe. Turbochargers are powered by spent exhaust gases created during the combustion process. The quicker these gases are evacuated, the better.