All Macht Schnell Competition fasteners are hardened and tempered to strength class 10.9 or 10 according to DIN/ISO standard 898. They meet the statutory requirements of all countries - including the USA.All studs/nuts feature a black plating process for OEM appearance.Final inspections are not restricted to random quality checks. Every single fastener is tested to ensure compliance with specifications. Studs/nuts are also offered individually and should be replaced after every race season. Competition Wheel Stud Features:- 45mm length allows for the use of close-ended lugs & locks (Note: cannot be used with any spacer) - 75mm length allows for most spacer thicknesses (up to +12mm) to be used without changing studs - 90mm length allows for spacer thicknesses (up to +20mm) to be used without changing studs - 10.9 Grade Strength Class for ultimate strength and safety - Bullet Tip prevents cross-threading - Faster and easier wheel changes - Eliminates the need for balancing the wheel while threading in stock wheel lugs - Black zinc coating for additional strength and corrosion/wear resistance - Allen key insert for easy installation - Fits most BMW modelsSpecifications:- 45mm, 75mm or 90mm Shank, 12mm x 1.5 - 75mm or 90mm Shank, 14mm x 1.25Models Supported: 12mm Studs 14mm Studs 2008+ BMW E82/8 1-Series & 1M 2012+ BMW F30 3-Series 1992-2012 BMW E36, E46 & E9X 3-Series & M3 2011+ BMW F10 5-Series & M5 2004-2010 BMW E60/1 5-Series & M5 2012+ BMW F13 6-Series & M6 2005-2010 BMW E63 6-Series & M6 2009+ BMW F01 7-Series 2002-2008 BMW E65 7-Series 1996-2002 BMW E36 Z3 & Z3M 2003+ BMW E85 & E89 Z4 & Z4M
