BMW 303
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
Club Mailing Address
BMW Historic Motor Club
Lower Norgrove,
Yarrington Road,
Alfrick,
Worcestershire.
WR6 5EX