Comparison of BMW R35 1939 and BMW R4 Series 1 [S]ave
| Attribute |  BMW R35 1939 × |  BMW R4 Series 1 × |
|---|---|---|
| General | ||
| Production from (year) | 1939 | 1932 |
| Make | BMW | BMW |
| Model | BMW R35 | BMW R4 Series 1 |
| Category | Allround | Allround |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Fuel system | Carburettor. SUM CK 9/22 | Carburettor. SUM CK 3/500 Fr |
| Displacement (cm³) | 342 | 398 |
| Power (kw) | 10.2 | 8.8 |
| Fuel consumption (l/100km) | 3 | 3.5 |
| Cooling system | Air | Air |
| Transmission type,final drive | Shaft drive (cardan) | Shaft drive (cardan) |
| Bore (mm) | 72 | 84 |
| Stroke (mm) | 84 | 78 |
| Gearbox | 4-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 | Batery | Battery |
| Clutch | Single plate dry-cable operated | Dry-single plate-cable operated |
| Lubrication system | Wet sump | Wet sump |
| Compression | 6.1:1 | 5.7:1 |
| Chassis | ||
| Front suspension | Cartridge | Friction shock absorber |
| Rear suspension | Rigid | Rigid |
| Front brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Diameter (mm) | 180 | 180 |
| Frame type | Steel twin looped | Pressed steel duplex |
| Front tyre | 3.50-19 | 3.50-26.00 |
| Rear tyre | 3.50-19 | 3.50-26.00 |
| Seat | Spring-mounted seat | Solo seat with springs |
| Other | ||
| Starter | Kick | Kick |
| Carrying capacity | - | 200kg |
| Dimensions | ||
| Wheelbase (mm) | 1,400 | 1,300 |
| Kerb weight (kg) | 152 | 137 |
| Overall height (mm) | 950 | 950 |
| Overall length (mm) | 2,000 | 1,980 |
| Overall width (mm) | 800 | 850 |
| Performance | ||
| Top speed (km/h) | 100 | 100 |
| Fuel capacity (l) | - | 10 |
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