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 currently on backorder but you can still purchase it now and we'll ship as soon as more become available. King BMW N55 B30A/N53 B30A/N52 B30A Main Bearing Set +0.25 Oversize