BMW R 32

BMW R 32 Date 1923-1926

Number sold 3.090

Price 2.200,- RM

Engine

internal designation M 2 B 33
engine type four-stroke two-cylinder flat-twin
bore x stroke 68 x 68 mm
displacement 494 cm3
output 8,5 PS at 3200 U /min
compression ratio 5,0 : 1
valves sv
carburetion system 1 carburettor, Typ BMW Spezial 22 mm
engine lubricating forced-feed lubrication
oil pump gear pump

 
Power transmission

Clutch single discs, dry
no. of gears 3
shifting manual
Gear ratios 2,27 / 1,50 / 1,08
rear wheel ratio 1 : 4,41 (with sidecar 1 : 5,36)
bevel/crown wheel 17 / 75 teeth (with sidecar 14 / 75 teeth)

 
Electrical system

Alternator magneto generator on request
Ignition Bosch magneto ignition
Spark plugs Bosch W 145

 
Suspension

designation R 32
frame twin-loop tubular frame
front wheel suspension twin cantilever spring
rear wheel suspension rigid
wheel rims 26 x 2,5
tyres, front 26 x 3
tyres, rear 26 x 3
brakes, front drum brake Ø 150 mm (not for 1st seriess)
Brakes rear block brake

 
Dimensions and weights

Length x width x height 2100 x 800 x 950 mm
Wheel base 1380 mm
Tank capacity 14 l
Unladen weight, full tank 122 kg (with Original-sidecar 184 kg)
load rating k.A.
Fuel consumption ca. 3 l / 100 km
oil consumption ca. 2,5 l / 1000 km
Top speed 95 - 100 km/h