ARP Main Stud Kit - BMW M30 M135I PRE-LCI (F20 & F21) SUSPENSION the Milltek system comes as

the Milltek system comes as an Axle Back Exhaust System however

they offer durability and corrosion resistance

M240i F22/F23

non-reflective sheen

Plug-and-Play Installation: Quick

ARP Main Stud Kit - BMW M30 M135I PRE-LCI (F20 & F21) SUSPENSION the Milltek system comes asStrengthen the bottom end of your BMW M30 engine with the ARP Main Stud Kit BMW M30, delivering far greater clamping force and sealing than the factory fasteners. Engineered by ARP (Automotive Racing Products), this main stud kit is built to the standards demanded by high performance and motorsport BMW builds. Key Features Designed for BMW M30 engine Significantly increased clamping force over OEM fasteners Improved main cap stability and bottom end