Active Autowerke BMW S58 F97/F98 X3M/X4M Downpipes w Aflow CATs 1M Eight-Rib Pulley System

Eight-Rib Pulley System

Active AFlow Series Catalytic Converters are EPA registered and compliant in 49 states and fully OBD2 compliant

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2) Purchase a Simon4 cable from Active Autowerke and install the software yourself

Active Autowerke BMW S58 F97/F98 X3M/X4M Downpipes w Aflow CATs 1M Eight-Rib Pulley SystemNO PERFORMANCE TUNE NEEDED. NOTE: Fitment applies to US model cars only unless specifically stated. We cannot guarantee fitment to non US model cars. Active Autowerke BMW X3M S58 Downpipes BMW introduced a new valvetronic, single turbo version of its direct injection engine for the later F Chassis models beginning in 2016 and continues into the G Chassis models the evolution to the S58 engine continues with the twin turbo variant used in the M series