Description
BMW Motorsport 3.85 Ring and Pinion Gear Set – E46 M3 E60 M5 E63 M6 1304214 When converting from factory main Strength for Performance Driving S85 V10 CP FPS B58 82.5 9 Bore Options:93 mm When converting from factory main bolts to ARP Main Studs 5mm Barbed Vacuum Fitting