Renn Motorsport 20MM Compatible with BMW Wheel Spacers with Bolts E36 E46 E60 E90 E92 E63 E64 20MM compatible with BMW Wheel Spacers with extended Bolts E36 E46 E60 E90 E92 E63 E64 Made from 6061-T6 aluminum, light weight and strong integrity. Each spacer is anodized for high wear and corrosion resistance to combat exterior elements as well as galvanic corrosion. 2 pieces 20MM spacer with 10 pieces extended M12x1.5 wheel bolts Easy installation.