BMW R67/3
  BMW R 67/3

                                      1955 BMW R67/3
Date 1955 - 1956

Number sold 700

Price: 3,235.- DM

$1,157 in 1955 dollars
$9,262 in 2010 dollars


Engine

Internal designation 267 / 1
Type four-stroke, two-cylinder, flat-twin (boxer)
Bore/stroke 72 x 73 mm
Cubic capacity 594 cm3 / 36 inches3
Max power 28 HP at 5600 RPMs
Compression ratio 6.5 : 1
Valves per cylinder ohv
Carburation system 2 carburettor Typ Bing 1/24/25 - 1/24/26
Engine lubrication forced-feed lubrication
oil pump gear pump

 
Power transmission

Clutch single discs, dry
Number of gears 4
shifting foot shifting (+ auxiliary manual lever on the gear block)
Gear ratios 4.0 / 2.28 / 1.7 / 1.3
Rear wheel ratio 1 : 3.89 (with original BMW sidecar: 4.75 : 1)
Bevel/crown wheel 9 / 32 teeth (with original BMW sidecar: 8 / 35)

 
Electrical system

Alternator Noris 6 Volt L 45/60 L
Ignition magneto ignition
Spark plugs Bosch W240T1 or NGK B8HS

 
Suspension

designation 251/5)
Type of frame twin-loop steel tubular frame
Front suspension telescopic fork
Rear suspension telescopic fork
wheel rims deep-bed 3 x 19
Tires front 3.50 x 19
Tires rear 3.50 x 19
Brakes front drum brake, Ø 200 mm, Duplex, full hub)
Brakes rear drum brake, Ø 200 mm, full hub)

 
Dimensions and weights

Length x width x height 84 x 31 x 39 inches / 2130 x 790 x 985 mm
Wheel base 55 inches / 1400 mm
Tank capacity 4.5 gals. / 17 liters
Unladen weight, full tank 419 lbs. / 192 kg (with original BMW sidecar: 705 lbs. / 320 kg)
load rating 783 lbs. / 355 kg (with original BMW sidecar: 1,322 lbs. / 600 kg)
Fuel consumption 52 MPG (ca. 4.5 liters / 100 km)
oil consumption ca. 0.7l / 1000 km
Top speed 84 MPH / 135 km/h (with original BMW sidecar: 59 MPH / 95 km/h)