I thought there were models of BMW with oil thermometer dipssticks similar to this. Either way, this one works fine now that I know where the proper oil level is on it. The thermometer is handy, too.
they were aftermarket / accessory catalog products
VBMWMO#5514- '64 R27 15K #383851 - '86 R65 22K #6128390 - Retired m/c road racer (1971-2000) - Former M-Benz Star Tech 19 years, BMW auto master tech, BMW bike cert tech 27 years. Now retired to Hillsboro, NH.