Advanced, platform specific Semi-Metallic friction material formulation for optimal performance Superior noise dampening provided by OE-style multi-layer shims Rust inhibitive coating prevents rust Slots and chamfers match OE design for quick and easy installation Set includes pads for 1 axle (2 wheels) and synthetic lubricant for reduced resistance on sliding contact points; pads come wrapped in a protective blue shop towel within the box; hardware not included FRONT: Compatible with select vehicles (Note: vehicle trim level/engine may affect fitment - verify specific fitment details with fit checker above): BMW: 2014-15 228i, 2014-15 320i, 2013-15 320i xDrive, 2014-15 328d, 2014-15 328d xDrive, 2013-15 328i BMW: 2013-15 328i xDrive, 2014-15 428i, 2015 428i Gran Coupe, 2014-15 428i xDrive, 2015 428i xDrive Gran Coupe, 2011-16 X3, 2015 X4