500 RPM under heavy load without skipping a beat

or failure

GARRETT G45-1600 80MM

We recommend tire diameter no bigger than 620mm (235/40 R17)

BMW S85 Applications:

BMW B46 ARP Main Stud Kit Intake Manifold 500 RPM under heavy loadUpgrade your BMW B46 bottom end with this ARP Main Stud Kita crucial reinforcement for high horsepower, high RPM builds. ARP Main Studs replace the factory main bolts with precision engineered hardware made from premium materials to handle extreme pressure and stress where it matters most. Why Upgrade to ARP Main Studs on Your B46? Stronger, More Reliable ClampingOEM bolts cant match the consistent clamping force of ARP Main Studs. This ensures