74.1mm to 72.56mm Hub Bore Size Conversion Kit - BMW / E39 / 525I / 528I / 530I / 540i / M5This Kit contains every part you need to professionally convert your hub bore size from 74. 1mm to 72. 56mm allowing you to choose from a lot more wheels on the market. Kit Includes: (8) Wheel Bearing Collar Bolts Rear (M10x1x31 10. 9) Genuine BMW (2) Axle Nuts (36mm) Febi (2) Rear Wheel Bearing FAG (2) Rear Wheel Hub Febi (2) Front Wheel Bearing Hub Assembly VaicoPart #'sWheel Bearing Collar Bolts Rear (M10x1x31 10. 9)33 32 1 093 661 33 32 1 093 661

anywhere in the United States or Canada

Direct Fit includes OE Connector for easy installation

making the engine sound as it should

Tire and wheel fitment critical

We have designed these synchros based on our demands of over 6 years of testing and abusing the 01E Transmission

Completely TIG Welded (No MIG Welding at all)

Reinforced silicone hoses

5 PERFORMANCE SOFTWARE HARDWARE REQUIREMENTS

Designed for weekend racers and hobbyists

- (3) Fuel Pump Bolt M6x60 (Genuine)

Your factory intake manifold is designed to channel air into the engine just well enough to meet stock horsepower levels

Lower activation temperature allows coolant to flow through the engine earlier