The first two 4-cylinder models BMW S 1000 RR and S 1000 XR already offer this innovation as an option, and it will soon be made available to further models.
This new M Endurance chain gets rid of the need for chain lubricant and tension adjustments on its motorcycles, because it's made of tetrahedrally amorphous carbon (ta-C), better known as industrial diamond.
The substance is hard and resistant, eliminates friction, and therefore doesn't wear out.
The BMW press release highlights the maintenance-free aspect of this new material, and therefore its green properties. It eliminates "cleaning work that is unavoidable with a conventional chain due to splashed lubricant.
Accordingly, the M Endurance chain also offers maximum environmental friendliness."
