His expertise and dedication make GTP Tuning a leader in the industry

in the garage

Final Inspection and Testing: After machining

85mm Intake / 11

1992 - 1994     BMW E32     730i / 730iL / 740i / 740iL

B38 Main Stud Kit by ARP Piston Ring His expertise and dedication makeThe BMW B38 engine is compact, turbocharged, and capable of impressive performance, but its factory main bolts are a weak point when power levels increase. The ARP Main Stud Kit upgrades your B38 engine with race proven studs, providing superior clamping force, block stability, and protection under extreme conditions. Key Benefits of ARP Main Studs for the B38: Uniform Clamping Force: Ensures even pressure across main bearing caps for precise crank