B48 Main Bearing Set Forged Piston 03/2017 — 07/2019 X4 G02

03/2017 — 07/2019  X4 G02

Lightweight aluminum clutch cover with racing tech

Ideal for High-Boost & Racing Applications: Handles elevated compression and cylinder pressures reliably

The Pro-Xtreme rods deliver better power transfer

B48 Main Bearing Set Forged Piston 03/2017 — 07/2019 X4 G02Please check engine fitment below! 5150 AutoSport Coated Main Bearings are engineered for demanding performance builds where reliability and strength are non negotiable. These bearings are coated with a proven dry film lubricant that reduces friction, enhances wear resistance, and offers superior performance under high stress. Whether you're running a high boost turbo setup, pushing the limits on track, or building a street car with big power goals,