Active Autowerke BMW B58N M340i M440i AFlow Catted Downpipe (2025 and newer) Catted DP - option to add gasket:Catted DP w turbo flange gasket The Active Autowerke BMW M3

The Active Autowerke BMW M3 supercharger system is truly modular and fully upgradable

BASE PRIMA SUPERCHARGER DYNOJET RESULTS

Quicker turbo spool

Up to 80 Ft / LBs gains Rear wheel FT/LBs measured on the dyno

Active Autowerke BMW B58N M340i M440i AFlow Catted Downpipe (2025 and newer) Catted DP - option to add gasket:Catted DP w turbo flange gasket The Active Autowerke BMW M3NO 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