1971 BMW R 50-5

Specifications
- Category
- Touring
- Displacement
- 498.0 ccm (30.39 cubic inches)
- Displacement (cc)
- 498.00
- Engine details
- Two cylinder boxer, four-stroke
- Power
- 32.0 HP (23.4 kW) @ 6400 RPM
- Top speed
- 151.0 km/h (93.8 mph)
- Compression
- 8.6:1
- Bore × stroke
- 67.0 x 70.6 mm (2.6 x 2.8 inches)
- Valves/cyl
- 2.0
- Fuel control
- Overhead Valves (OHV)
- Cooling
- Air
- Gearbox
- 4-speed
- Transmission
- Shaft drive (cardan) (final drive)
- Front tyre
- 3.25-19
- Rear tyre
- 4.00-18
- Front brakes
- Expanding brake
- Rear brakes
- Expanding brake
- Wet weight
- 222.0 kg (489.4 pounds)
- Fuel capacity
- 24.00 litres (6.34 US gallons)
The 1971 BMW R 50-5
1971 BMW R 50-5 sits at the smaller end of BMW's /5 series, the entry point for riders who wanted the brand's shaft-driven touring formula without the bulk of the bigger twins. This is a bike built for steady, unhurried mileage rather than sprinting away from stoplights. The boxer twin's low center of gravity and shaft drive mean clean, low-maintenance road manners, and the riding position favors long stretches of highway over aggressive cornering. Owners describe it as a machine that rewards patience: it's happiest cruising at a relaxed pace, soaking up miles with minimal drama. The 1971 model carried over without significant mechanical changes from the prior year — buyers comparing it to a 1970 example should focus on mileage, service history, and condition rather than spec differences. Today the 1971 BMW R 50-5 attracts a specific type of buyer: someone downsizing from a larger vintage BMW or coming from a smaller Japanese standard who wants shaft-drive simplicity and classic boxer character. Collector interest remains moderate, appealing more to riders who want a usable vintage machine than to pure investment buyers chasing rare colorways.
Auction history
| Date | Listing | Price | Mileage | Source |
|---|---|---|---|---|
| Jun 25, 2026 | 1971 BMW R50/5 | $2,850 | — | Bring a Trailer |
| Jul 3, 2024 | 1971 BMW R50/5 | $5,000 | — | Bring a Trailer |
| Oct 10, 2021 | 1971 BMW R50/5 | $7,000 | — | Bring a Trailer |
| May 20, 2021 | 1971 BMW R50/5 | $7,300 | — | Bring a Trailer |
| Mar 19, 2021 | 1971 BMW R50/5 | $9,600 | — | Bring a Trailer |
