B46 Main Bearing Set, High-Performance 9051 a closed system prevents unwanted

a closed system prevents unwanted oil vapors entering into the cabin

1984 - 91      E30     318is

12x Intake Valves

⚠️ Race Use Only: Not CARB approved

but when boost and horsepower levels climb

B46 Main Bearing Set, High-Performance 9051 a closed system prevents unwantedBuilt specifically for the BMW B46 engine platform, 5150 AutoSport Calico Coated Main Bearings are engineered for demanding performance builds where reliability and strength are non negotiable. These bearings are coated by Calico 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