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BMW · 1955–1960

1955 BMW R50

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1955 BMW R50
Photo: quinet, CC BY 2.0, via Openverse · CC BY
Auction record
Average sale
$13,944
Sales
2
Low
$12,888
High
$15,000

Specifications

Category
Allround
Displacement
494.0 ccm (30.14 cubic inches)
Displacement (cc)
494.00
Engine details
Two cylinder boxer, four-stroke
Power
26.0 HP (19.0 kW) @ 5800 RPM
Top speed
140.0 km/h (87.0 mph)
Compression
6.8:1
Bore × stroke
68.0 x 68.0 mm (2.7 x 2.7 inches)
Fuel system
Carburettor. 24mm Bing
Fuel control
Overhead Valves (OHV)
Ignition
Magneto
Lubrication
Wet sump
Cooling
Air
Gearbox
4-speed
Transmission
Shaft drive (cardan) (final drive)
Clutch
Dry-single plate-cable operated
Frame
Steel doble loop tubular
Front suspension
Cartridge
Rear suspension
Twin shock-Swingarm
Front tyre
3.50-18
Rear tyre
3.50-18
Front brakes
Expanding brake (drum brake). Duplex full hub
Front brake Ø
200 mm (7.9 inches)
Rear brakes
Expanding brake (drum brake). Simplex full hub
Rear brake Ø
200 mm (7.9 inches)
Wet weight
195.0 kg (429.9 pounds)
Height
980 mm (38.6 inches)
Length
2125 mm (83.7 inches)
Width
660 mm (26.0 inches)
Wheelbase
1380 mm (54.3 inches)
Starter
Kick

The 1955 BMW R50

1955 BMW R50 sits in the middle of BMW's postwar boxer lineup, the sensible all-rounder between the smaller singles and the sportier R69 that would follow. This is a shaft-driven twin built for covering real distance without drama, the kind of bike that rewards a relaxed hand and a long day in the saddle rather than aggressive riding. The Earles-fork front end and boxer layout give it a low, planted feel at speed, and the low overall weight keeps it manageable at parking-lot speeds despite its touring intentions. Owners tend to describe it less as thrilling and more as trustworthy, which was exactly the point in the mid-1950s European market.

The 1955 model carried over without significant mechanical changes from the prior year — buyers comparing it to a 1954 example should focus on mileage, service history, and condition rather than spec differences.

Today the 1955 BMW R50 attracts riders who already understand vintage BMW ownership, often stepping down from larger modern tourers in search of something mechanically honest and rideable rather than a garage ornament. Collectors interested in early postwar German engineering also watch this model, since well-kept examples remain usable rather than purely decorative.

Auction history

DateListingPriceMileageSource
Apr 9, 20221955 BMW R50 w/Steib Sidecar$15,000—Bring a Trailer
Aug 26, 20211955 BMW R50$12,888—Bring a Trailer

All BMW R50 years

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