Active Autowerke BMW B58N M340i M440i GESI Catted Downpipe (2025 and newer) 335i 15+ Horspower gains throughout RPM

15+ Horspower gains throughout RPM range

year-2005-make-bmw-model-z3-3-0i

This module not only monitors the boost pressure within the engine but also controls the delivery flow to match both the engine load and demand as needed

with power in mind

Upgraded High Flow Fuel Pump

Active Autowerke BMW B58N M340i M440i GESI Catted Downpipe (2025 and newer) 335i 15+ Horspower gains throughout RPMNO PERFORMANCE TUNE NEEDED. Active Autowerke BMW B58N Gen 3 Catted Downpipe this is for M340 and M440 B58N Gen 3 which also incorporates a new GPF into the downpipe. NOTE that to remove the stock GPF downpipe requires 9 to 10 hours of labor as the subframe needs to be dropped. NOTE: Fitment applies to US model cars only unless specifically stated. We cannot guarantee fitment to non US model cars. BMW introduced a new valvetronic, single turbo version