Active Autowerke BMW B58 F3X M240i 340i 440i GESI Catted Downpipe E9x m3 diffuser has now brought a state-of-the-art

has now brought a state-of-the-art CNC machined

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CSF listened – All the Features You Need to Push the Limits

A minimal flickering will appear for the first few seconds of startup

they overcompensated and made the length of the drivers side exhaust longer than the passenger side - this equal length midpipe corrects the passenger side exhaust length giving the G80/G82 a true equal length and smoother sound

Active Autowerke BMW B58 F3X M240i 340i 440i GESI Catted Downpipe E9x m3 diffuser has now brought a state-of-the-artActive Autowerke BMW B58 Catted Downpipe now includes turbo flange gasket SHIPPING NOW. Please note that we install the gasket into the downpipe flange as some customers were damaging the gasket on installation. BMW introduced a new valvetronic, single turbo version of its direct injection engine for the later F Chassis models beginning in 2016. The Active Autowerke B58 downpipe for the 340i and 440i helps unleash some of the potential that is