King BMW N55 B30A/N53 B30A/N52 B30A Main Bearing Set +0.25 Oversize King Engine Bearings Sale! from 6999 /per Qty. Add to Cart This item is either made to order or has limited inventory. Please reach out to confirm lead times if needed. King BMW N55 B30A/N53 B30A/N52 B30A Main Bearing Set +0.25 Oversize