Continuing our coverage of UK auction house Bonhams‘ BMW only sale at the company’s Munich HQ on Oct. 1, we bring you a selection of rare motorcycles made the marque in the ’20s and ’30s.

Among the two-wheeled treasures in the event, dubbed “Power by BMW”, is a 1939 597cc R66 (top), estimated at up to about $35,000.

A 1939 597cc R66 among the motorbikes in Bonhams’ Power by BMW

One of the most expensive and exclusive motorcycles available when first introduced, not to mention powerful with a top speed of over 90 mph, it remains one of the best looking.

Here are some more offerings from the staggering sale to help get your motors revving….

All images courtesy Bonhams; click to enlarge:

1927 BMW 494cc R47, estimated at up to $68,000

1936 BMW 735cc R17, estimated at up to $41,000

1937 BMW 342cc R35, estimated at up to $12,500