R20


Production Model Years
   1937 - 1938

Frame and Engine Numbers

   Frame numbers
    100001 - 105029
    ———
   Engine numbers
    100001 - 105004

Model Specifications
Drivetrain
Displacement192cc
Cylinders1
Bore x Stroke (mm)60 x 68
HP @ RPM8 @ 5400
Compression Ratio6.0:1
ValvesOHV, 2 per cylinder
ClutchDry, single plate, cable operated
Transmission3 speed, foot shifted
Final DriveDriveshaft
Running Gear
Frametubular steel double cradle
Front SuspensionUndamped telescopic fork
Rear SuspensionRigid
Front Brakes160mm drum, single leading shoe
Rear Brakes180mm drum, single leading shoe
Electrical
IgnitionBattery/coil
Spark PlugsBosch W175
GeneratorBosch 6V 50W
Capacities & Measurements
Weight130kg
Fuel12l
Wheelbase1330mm
Top Speed95kph
Number Produced5005

The information provided here was obtained from a variety of public sources and may not reflect official BMW archival data.
Please contact the BMW Archives for official data regarding models.