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$16,600.00

1928 BMW R-Series R57 490CC Original Survivor

Posted Dec 01, 2023 | Hits
FairMail - Cards with perspective
Country: USA
Region: TX
Make: BMW
City: Fort Worth
Zip: 76185
Model: R-Series R57 490CC
Year: 1928
Mileage: 250 Miles
Color: Black
Condition: Used
Engine: 490 cc
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.
There were 1,005 R57's produced with most not surviving the war. Top speed is 115KPH.

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