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BMW 303

Date of manufacture 1933 – 1934
Bodywork type(s) Saloon, Cabrio-saloon, Cabriolet and Tourer
Engine Type Inline 6 cylinder
Capacity 1173cc
Bore x stroke 56mm x 80mm
Power 30bhp @ 3500rpm
Compression 5.6:1
Carburettors 2, Solex 26 mm up draught
Valve design Overhead, 2 per cylinder
Valve gear Camshaft in block. Rockers, tappets and springs
Electrics 6 volt
Transmission Clutch Dry single disc. (Fichtel & Sachs; K 10 with 180 mm dia. )
Gearbox ratios Hurth
1st 4.42:1
2nd 2.54:1
3rd 1.65:1
4th 1.00:1
Axle ratio 5.15
Synchromesh 3rd and 4th
Chassis Frame Lightweight “A”- frame with two longitudinal tubular members, diameter varying from 90mm to 60 mm load depending and three rectangular cross members
Suspension Front: Transverse leaf spring with lower wishbones and integral single acting shock absorbers
Rear: Longitudinal leaf springs with rigid axle and lever arm double acting shock absorbers
Foot operated one shot central oil lubrication system
Steering Rack and pinion
Brakes Four wheel   Bendix cable
Handbrake, cable on rear wheels
Dimensions Wheelbase 2400mm
Track front/rear 1153mm/1220mm
Length/width 3900mm x 1440mm
Tyres 5.25 x 16
General Fuel capacity 35 litres
Max speed 56 mph
Number produced 2300
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