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)