ACL Main Bearings for BMW M20/M50/M52/M54 1919CC 80.0mm Bore .25 Oversized

ACL Main Bearings for BMW M20/M50/M52/M54 — .25 Oversized Brand: ACL High-performance main bearing set designed for BMW M20, M50, M52 and M54 engines with 1919cc displacement, 80.0mm bore and 66.0mm stroke. These .25mm oversized bearings restore proper clearances after machining or rebuilds, ensuring durable crank support and optimized oil film for long engine life. Key Features Precision fit: Manufactured to strict tolerances for consistent bore and journal alignment. Durable materials: Multi-layer bearing construction for excellent fatigue and wear resistance. Improved oil control: Engineered surface patterning promotes reliable hydrodynamic lubrication. Oversize specification: +0.25mm to accommodate bored/cranked journals and maintain OEM clearance. Direct replacement: Compatible with BMW M20, M50, M52 and M54 engine families — ideal for rebuilds and performance builds. Benefits Restores correct bearing clearance after crankshaft machining Reduces risk of premature wear and seizure under higher loads Supports higher horsepower and longer service intervals Choose ACL main bearings for a reliable, engineered solution when rebuilding or upgrading your BMW M20/M50/M52/M54 engine. Proper installation and lubrication checks recommended.