Comparison of BMW R32 1926 and BMW R4 Series 4 [S]ave
| Attribute |  BMW R32 1926 × |  BMW R4 Series 4 × |
|---|---|---|
| General | ||
| Production from (year) | 1926 | 1935 |
| Make | BMW | BMW |
| Model | BMW R32 | BMW R4 Series 4 |
| Category | Naked bike | Allround |
| Engine and transmission | ||
| Engine type | Two cylinder boxer, four-stroke | Single cylinder, four-stroke |
| Fuel system | Carburettor. 22 BMW Spezial | Carburettor. Sum CK 3/500 Fr |
| Displacement (cm³) | 494 | 398 |
| Power (kw) | 6.3 | 10.2 |
| Fuel consumption (l/100km) | 3 | 3.5 |
| Cooling system | Air | Air |
| Transmission type,final drive | Shaft drive (cardan) | Shaft drive (cardan) |
| Bore (mm) | 68 | - |
| Stroke (mm) | 68 | - |
| Gearbox | 3-speed | - |
| Greenhouse gases | 69.6 CO2 g/km. (CO2 - Carbon dioxide emission) | 81.2 CO2 g/km. (CO2 - Carbon dioxide emission) |
| Fuel control | Overhead Valves (OHV) | Overhead Valves (OHV) |
| Ignition | Magneto | - |
| Clutch | Single plate dry-cable operated | Dry-single plate-cable operated |
| Lubrication system | Wet sump | Wet sump |
| Compression | 5.1:1 | 5.7:1 |
| Chassis | ||
| Front suspension | Leading link | Cartridge |
| Rear suspension | - | Rigid |
| Front brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Diameter (mm) | 150 | 180 |
| Frame type | Steel doble cradle | Pressed steel duplex |
| Front tyre | 2.99-26 | 3.50-26.00 |
| Rear tyre | 2.99-26 | 3.50-26.00 |
| Seat | - | Solo seat with springs |
| Other | ||
| Starter | Kick | Kick |
| Carrying capacity | 184kg | - |
| Dimensions | ||
| Wheelbase (mm) | 1,380 | 1,303 |
| Kerb weight (kg) | 122 | - |
| Overall height (mm) | 950 | 950 |
| Overall length (mm) | 2,100 | 1,980 |
| Overall width (mm) | 800 | 850 |
| Performance | ||
| Top speed (km/h) | 95 | 95 |
| Fuel capacity (l) | 14 | 12 |
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