Brand new OEM Mahle OC306 oil filter with crush washer for all non liquid cooled R1200GS/RT/ST/S/R , K1200S/R/GT (2005 on), K1600GT/GTL bikes. This is an OEM filter and the stock oil filter wrench will fit it. BMW OEM part # for a single filter is 11 42 7 673 541 which retails for $15.36 plus $.89 for a crush washer. At times we may be out of stock on the Mahle OC306 filters. In those instances we will substitute Mann MW75 filters which are identical.