R47


Production Model Years
   1926 - 1928

Frame and Engine Numbers

   Frame numbers
    4201 - 5999
    ———
   Engine numbers
    34201 - 35999

Model Specifications
Drivetrain
Displacement494cc
Cylinders2
Bore x Stroke (mm)68 x 68
HP @ RPM18 @ 4000
Compression Ratio5.8:1
ValvesOHV, 2 per cylinder
ClutchDry, single plate, cable operated
Transmission3 speed, hand shifted
Final DriveDriveshaft
Running Gear
FrameTubular double loop, brazed
Front SuspensionUndamped, trailing link, leaf spring
Rear SuspensionRigid
Front Brakes150mm drum, single leading shoe
Rear BrakesContracting shoe drum on driveshaft, heel operated
Electrical
IgnitionBosch magneto
Spark PlugsBosch M175
GeneratorOptional Bosch magneto/generator, 6V 35W
Capacities & Measurements
Weight130kg
Fuel14l
Wheelbase1410mm
Top Speed110kph
Number Produced1720

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.