Engine
Type Saloon, Cabriolet, Tourer, Limo /Cabriolet.
Capacity 1911cc
Bore x stroke 65mm x 96mm
Power 45bhp @3750rpm and 55bhp @ 4000rpm versions
Compression 5.6:1
Carburettors Type 45; 2, Solex 26 mm updraught.Type 55 ; 3 Solex 30 mm sidedraught
Valve design Overhead, 2 per cylinder
Valve gear Camshaft in block. Push rods, rocker s, tappets and springs
Electrics 6 volt
Transmission
Clutch Dry single disc. Fichtel & Sachs, K 10 , 180 mm dia.
Gearbox ratios
Hurth
1st 3.65:1
2nd 2.22:1
3rd 1.51:1
4th 1.00:1
Axle ratio 4.38
Synchromesh 3rd and 4th
Chassis
Frame Lightweight “A”-frame with two longitudinal tubular members,
with varying diameter from 90 mm to 60 mm dependent on load,
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 1153/1220 or 1270 mm (depending on type of body)
Length/width 3900mm x 1440 or 1500 mm (depending on type of body)
Tyres 5.25 x 16
General
Fuel capacity 40 litres
Max speed 72 mph
Number produced 6646
Club Mailing Address
BMW Historic Motor Club
Lower Norgrove,
Yarrington Road,
Alfrick,
Worcestershire.
WR6 5EX