Production Model Years
1925 - 1926
Frame and Engine Numbers
100 - 275 / 35001 - 35175
Model Specifications
Drivetrain
Displacement 494cc
Cylinders 2
Bore x Stroke (mm) 68 x 68
HP @ RPM 16 @ 4000
Compression Ratio 6.2:1
Valves OHV, 2 per cylinder
Clutch Dry, single plate, cable operated
Transmission 3 speed, hand shifted
Final Drive Driveshaft
Running Gear
Frame Tubular double loop, brazed
Front Suspension Undamped, trailing link, dual leaf spring
Rear Suspension Rigid
Front Brakes 150mm drum, single leading shoe
Rear Brakes V-block pressed into dummy rim sheave, heel operated
Electrical
Ignition Bosch magneto
Spark Plugs Bosch M175
Generator Optional Bosch magneto/generator, 6V 35W
Capacities & Measurements
Weight 134kg
Fuel 14l
Wheelbase 1380mm
Top Speed 115kph
Number Produced 174

BMW's first OHV bike, built as a sport bike and for racing.

Only 174 copies of the R37 were sold, making it BMW's most exclusive production bike.

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