BOSCH ZR5TPP33 SPARK PLUG DOUBLE PLATINUM (4) AVAILABLE Double Platinum firing pin and ground electrode inlay provide 3X longer service life compared to standard copper plugs Fine wire design provides excellent ignitability and performance 360° continuous laser welding to fuse the platinum firing pin for increased durability 5 year performance satisfaction guarantee; Gap Size: .8 Original equipment, pre-gapped replacement delivering optimum fit, form and function for a wide range of vehicles including, but not limited to, the following: BMW: 2011-13 X5, 2008-14 X6, 2011-13 550i, 2010-12 550i GT, 2010-12 550i GT xDrive, 2011-13 550i xDrive, 2012 650i, 2012 650i xDrive, 2009-12 750i, 2010-12 750i xDrive, 2009-12 750Li BMW: 2010-12 750Li xDrive, 2010-15 760Li; ROLLS-ROYCE: 2017-18 Dawn, 2010-18 Ghost, 2014-18 Wraith LIST $14.99 AMAZON $7.50