Production Model Years
1932 - 1937
Frame and Engine Numbers
0 - 0 / 80001 - 95280
Model Specifications
Displacement 398cc
Cylinders 1
Bore x Stroke (mm) 78 x 84
HP @ RPM 12 @ 3500
Compression Ratio 5.7:1
Valves OHV, 2 per cylinder
Clutch Dry, single plate, cable operated
Transmission 3 speed, hand shifted
Final Drive Driveshaft
Running Gear
Frame Pressed steel, rivetted
Front Suspension Undamped, trailing link, leaf spring
Rear Suspension Rigid
Front Brakes 180mm drum, single leading shoe
Rear Brakes 180mm drum, single leading shoe, heel operated
Ignition Battery/coil
Spark Plugs Bosch W175
Generator Bosch generator, 6V 45W
Capacities & Measurements
Weight 137kg
Fuel 12l
Wheelbase 1300mm
Top Speed 100kph
Number Produced 15295


3 Speed only 1st Serie 4

guest's picture

3 Speed only 1st Serie
4 Speed 2nd Serie to 5th Serie

Transmission: 3 speed, hand

guest's picture

Transmission: 3 speed, hand shifted only the 1st series (4 speed, hand shifted from the 2nd to 5th series)
Posso avere indicazioni su dove posso trovare il numero di telaio di una moto BMW R4 3rd 4th o 5th serie che ho ferma dal 1966

Post new comment

CAPTCHA stops spam by preventing automated "bots" from accessing this site.
Enter the code without spaces and pay attention to upper/lower case.