BMW Genuine Motorcycle Engine Ignition System Spark Plug NGK LMAR8AI-8 A40 K1600GT K1600GTL K1600GTL Excl BMW Genuine Motorcycle Engine Ignition System Spark Plug NGK LMAR8AI-8 It is used in Ignition coil/spark plug -- Manufacturer Warranty: 24000 miles or 2 years Please see Product Description below for vehicle compatibility