A defective clutch pressure bearing, which is why the noise usually sounds like scratching or grinding. If the defect is advanced, this is also noticeable through so-called clutch slipping, i.e. the motorcycle does not accelerate properly despite gear changes and increasing engine speed.
Our OEM clutch pressure bearing provides a remedy here.
Manufacturer's information:
BMW AG
Frankfurter Ring 29, 80807 München – Deutschland
motorrad@bmw.de
www.bmw-motorrad.de