1928 BMW 490CC R57 Frame no. 26907 Engine no. 70321

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Lot 139
1928 BMW 490CC R57
Frame no. 26907 Engine no. 70321

Sold for US$ 100,050 inc. premium
1928 BMW 490CC R57
Frame no. 26907
Engine no. 70321
Following the collapse of its aero engine business after WWI, BMW turned to other areas of manufacture, motorcycles among them. The first BMW branded motorcycle (in 1923) - the R32 - featured a 493cc twin-cylinder, sidevalve engine with horizontally opposed cylinders, and this "flat twin" layout would forever be associated with the marque. This first effort was expensive but superbly engineered.

For 1928, BMW reorganized its range of engines, which now included a brace of 750s: one sidevalve, one overhead-valve. The new, overhead-valve R57 sports bike's engine was "square" with 68mm for both bore and stroke. It ran a hand shift 3-speed gearbox. Electric lighting, was standardized throughout the roadster range. R57 production lasted for only three years and today this rare BMW is among the marque's most sought after machines of the period.

The frame plate screwed to the steering head of this R75 is clear for all to see and not in need of translation, "BMW, Rad no. 26907, Motor no. 70321, Gewicht Kg 152, Bremsleistg 18PS, Nutzleistg 188PS, Hubraum ccm 490. Zulass. Belast. 210kg." With only 8 kilometers on the tank mounted odometer it clearly has been carefully dry stored since restoration, and never run. Its restoration was very finely and carefully undertaken by the seller after its importation from Germany in the early 1990s, using all its original parts – there are no reproduction parts installed. The engine was entrusted to South African John Viljoen, whose family sold these bikes when new. Its patina today is just right, not too shiny, not too dull, a truly excellent example of this now rare BMW icon. The registration document mistakenly dates the bike as 1927; it was made in 1928.

Footnotes

  • Please note that this bike is titled as a 1927.
Contacts
1928 BMW 490CC R57 Frame no. 26907 Engine no. 70321
1928 BMW 490CC R57 Frame no. 26907 Engine no. 70321
1928 BMW 490CC R57 Frame no. 26907 Engine no. 70321
1928 BMW 490CC R57 Frame no. 26907 Engine no. 70321
1928 BMW 490CC R57 Frame no. 26907 Engine no. 70321
1928 BMW 490CC R57 Frame no. 26907 Engine no. 70321
1928 BMW 490CC R57 Frame no. 26907 Engine no. 70321
1928 BMW 490CC R57 Frame no. 26907 Engine no. 70321
1928 BMW 490CC R57 Frame no. 26907 Engine no. 70321
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