Part # 1571900
Ignition Wire Silicone/Copper 7mm x 1m

This is a very high quality Silicone spark plug wire that isn't easy to come by at your local auto parts store. Not only is it the correct size ( 7mm) for you BMW motorcycle, but its manufactured by BERU, which is an original equipment manufacture of BMW. Sold in meters. One meter is enough to make two spark plug wires.