Continental Alternator Belt BMW R Oilhead 12 31 1 341 779 / 611mm,Belt-4PK611779
Ribbed Alternator Belt for BMW R Oilhead applications. Application: BMW R Oilhead 4 valve. Application: BMW R Oilhead 4-valve, Hexhead. You may be able to confirm the correct belt if the BMW # 12 31 1 341779 is still legible.