1955 BMW R25 3

Specifications
- Category
- Allround
- Displacement
- 247.0 ccm (15.07 cubic inches)
- Displacement (cc)
- 247.00
- Engine details
- Single cylinder, four-stroke
- Power
- 13.1 HP (9.5 kW) @ 5800 RPM
- Top speed
- 88.0 km/h (54.7 mph)
- Compression
- 7.1:1
- Bore × stroke
- 68.0 x 68.0 mm (2.7 x 2.7 inches)
- Fuel system
- Carburettor. Bing
- Fuel control
- Overhead Valves (OHV)
- Ignition
- Battery
- Lubrication
- Wet sump
- Cooling
- Air
- Gearbox
- 4-speed
- Transmission
- Shaft drive (cardan) (final drive)
- Clutch
- Single plate dry-cable operated
- Frame
- Closed steel loop-welded
- Front suspension
- Cartridge
- Rear suspension
- Telscopic
- Front tyre
- 3.27-18
- Rear tyre
- 3.27-18
- Front brakes
- Expanding brake (drum brake)
- Front brake Ø
- 160 mm (6.3 inches)
- Rear brakes
- Expanding brake (drum brake)
- Rear brake Ø
- 160 mm (6.3 inches)
- Wet weight
- 150.0 kg (330.7 pounds)
- Seat height
- 730 mm (28.7 inches) If adjustable, lowest setting.
- Height
- 710 mm (28.0 inches)
- Length
- 2065 mm (81.3 inches)
- Width
- 760 mm (29.9 inches)
- Wheelbase
- 1335 mm (52.6 inches)
- Fuel capacity
- 12.00 litres (3.17 US gallons)
- Starter
- Kick
The 1955 BMW R25 3
1955 BMW R25 3 sat at the bottom of BMW's postwar lineup, the simple, affordable single that got new riders onto two wheels and kept them there. This is a single-cylinder four-stroke built for steady, unglamorous commuting and countryside riding rather than speed or drama, and it rewards a relaxed hand more than an aggressive one. The shaft drive means none of the chain maintenance that plagued contemporary British and German competitors, which matters a lot if you're using this as a rider rather than a garage ornament. At under 90 km/h flat out, this was never about getting anywhere fast, it was about getting there reliably, and that dependability is exactly why so many survived. 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's buyer tends to be a BMW-specific collector or a rider drawn to prewar-adjacent simplicity, someone stepping down from modern complexity into something they can service themselves. Moderate collector interest keeps prices sensible while rewarding well-documented, mechanically sound examples over cosmetically restored ones.
Auction history
| Date | Listing | Price | Mileage | Source |
|---|---|---|---|---|
| Aug 12, 2024 | 26-Years-Owned 1955 BMW R25/3 | $8,500 | — | Bring a Trailer |
BMW gear

BMW BMW Motorsports Track Jacket
$126Shop Now
BMW BMW Logo Cap
$22Shop Now
BMW BMW Logo Cap
$20Shop Now
BMW BMW M Motorsports T-Shirt
$28Shop Now
BMW BMW Injected Sunglasses
$35Shop Now
As an Amazon Associate we earn from qualifying purchases. Prices and availability are accurate as of the date shown and are subject to change.
