BMW R 45 - 1982 Specifications and Reviews
The 1982 BMW R 45 is a mid-sized sport tourer powered by a air-cooled 473cc boxer twin delivering 35 horsepower. Its shaft-driven reliability, comfortable ergonomics, and manageable weight make it ideal for riders seeking accessible performance and everyday practicality. Known for its characteristic twin-cylinder smoothness and European engineering, the R 45 remains a dependable middleweight for both commuting and weekend riding.
General information | |
| Category | Sport |
| Year | 1982 |
| Model | BMW R 45 |
Engine and Transmission Specifications | |
| Transmission typefinal drive | Shaft drive (cardan) |
| Gearbox | 5-speed |
| Cooling system | Air |
| Fuel control | OHV |
| Valves per cylinder | 2 |
| Bore x stroke | 70.0 x 61.5 mm (2.8 x 2.4 inches) |
| Compression | 9.2:1 |
| Power | 35.00 |
| Stroke | 4 |
| Engine type | Two cylinder boxer |
| Capacity: | 473.00 ccm (28.86 cubic inches) |
| | |
Physical measures and capacities | |
| Weight incl. oil, gas, etc | 206.0 kg (454.2 pounds) |
BMW R 45 dimensions and frame | |
| Rear brakes | Expanding brake |
| Front brakes | Single disc |
| Rear tyre dimensions | 4.00-18 |
| Front tyre dimensions | 3.25-18 |
Speed and acceleration | |
| Top speed | 160.0 km/h (99.4 mph) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Fuel capacity | 22.00 litres (5.81 gallons) |
Performance Profile & Rider Fit
35 hp
Peak Power
9.5s
0-60 mph
99.4 mph
Top Speed
Best For
Track15%
City55%
Cornering45%
Daily Riding55%
Touring50%
Passenger45%
Rider Profile
| Best For | Well suited to newer or returning riders thanks to its modest power delivery and predictable, low-stress handling. |
| Purpose | A classic entry-level boxer twin meant for relaxed commuting, learning, and light weekend rides rather than outright performance. |
| Rider Fit | Its light weight and low seat height make it manageable for riders of smaller stature or those wanting an easy, unintimidating machine. |
| Character | An honest, mechanically simple air-cooled boxer with charming shaft-drive smoothness and old-school BMW build quality. |
| Not Ideal For | Not for riders seeking strong acceleration, high top speed, or any serious off-road capability. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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