Sprint Filter P08F1-85 - The Ultimate Performance Polyester Air Filter 85 micron water-resistant polyester tissue class leading air flow and filtration low maintenance - blow clean with compressed air dry filter - no oiling or washing as used by top race teams in MotoGP, WSBK recommended for racing, low km road use Part no. PM246SF1-85 Model compatibility BMW R18 (all models) 2020 – current Cross References BMW 13718411061 DNA P-BM18CR20-01 K&N BM-1821