Autolite Copper Spark Plug Fits select: 2001-2006 BMW M3, 2011 BMW Z4

Copper cored center electrode for higher thermal conductivity Specially engineered high nickel alloy center and ground electrode for extended life High alumina ceramic for high dielectric strength Leak proof, heat fused internal seal for durability Multi-rib insulator prevents flash-over 2 year limited warranty Electrode Tip Material : Resistor Reach : 3/4 in Resistor : Suppressor Seat Type : Gasket Thread Diameter : 12 mm Tip Configuration : Power Wrench Diameter : 11/16 in Fits Select: 2001-2006 BMW M3 2009,2011 BMW Z4 6 Cyl 3 L 2006 BMW M 6 Cyl 3.2 L 2007-2008 BMW Z4 6 Cyl 3.2 L 1998-2001 FERRARI F550 2005-2009 FERRARI 612 2002 FERRARI F575 1995,1997-2003 FERRARI 456 1997 FERRARI F550 12 Cyl 5.5 L 2010 FERRARI 612 12 Cyl 5.8 L and more - add your vehicle to our fit widget to check