Comparison of BMW R57 1930 and BMW R69S 1969 [S]ave
| Attribute |  BMW R69S 1969 × |  BMW R57 1930 × |
|---|---|---|
| General | ||
| Production from (year) | 1969 | 1930 |
| Make | BMW | BMW |
| Model | BMW R69S | BMW R57 |
| Category | Sport | Allround |
| Engine and transmission | ||
| Engine type | Two cylinder boxer, four-stroke | Two cylinder boxer, four-stroke |
| Fuel system | Carburettor. Bing | Carburettor. 24mm Bing |
| Displacement (cm³) | 594 | 494 |
| Power (kw) | 30.7 | 13.1 |
| Cooling system | Air | Air |
| Transmission type,final drive | Shaft drive (cardan) | Shaft drive (cardan) |
| Gearbox | 4-speed | - |
| Fuel control | Overhead Valves (OHV) | - |
| Ignition | Magneto | - |
| Clutch | Dry-single plate-cable operated | Dry-single plate-cable operated |
| Lubrication system | Forced feed | Wet sump |
| Compression | 9.5:1 | 5.8:1 |
| Chassis | ||
| Front suspension | Cartridge | Leading link |
| Rear suspension | Twin shock-swingarm | Long swingarm-oil pressure shocks |
| Front brakes | Expanding brake (drum brake). Single | Expanding brake (drum brake) |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Diameter (mm) | 200 | 200 |
| Frame type | Steel-doble cradle | Steel doble cradle |
| Front tyre | - | 3.50-26.00 |
| Rear tyre | 3.5-18 | 3.50-26.00 |
| Wheels | Spoked | - |
| Other | ||
| Starter | Kick | Kick |
| Carrying capacity | - | 360kg-with sidecar 600kg |
| Dimensions | ||
| Wheelbase (mm) | 1,415 | 1,400 |
| Overall height (mm) | 980 | 950 |
| Overall length (mm) | 2,125 | 2,100 |
| Overall width (mm) | 722 | 800 |
| Performance | ||
| Top speed (km/h) | 175 | 115 |
| Fuel capacity (l) | 17 | 12 |
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