Engine
Type Inline six-cylinder
Capacity 1971cc
Bore x stroke 66mm x 96mm
Power 80bhp at 4500rpm
Compression 7.5:1
Carburettors 3, Solex 30 mm, downdraught
Valve design 45° V-inclined, overhead, 2 per cylinder
Valve gear Pushrods and rocker arms from cam in block driven by duplex chain
Electrics 6 volt
Transmission
Clutch Dry single disc. Fichtel & Sachs, K 12, 200 mm diameter.
Gearbox ratios
ZF Hurth
1st 3.07:1 3.63:1
2nd 1.82:1 2.07:1
3rd 1.25:1 1.50:1
4th 1.00:1 1.00:1
Axle ratio ZF - 3.70:1, Hurth - 3.88:1
Synchromesh 3rd and 4th
Chassis
Frame Lightweight “A”-frame with two longitudinal tubular members,
with varying diameter from 90 mm to 60 mm dependant 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 hydraulic, self adjusting
Handbrake, cable on rear wheels
Dimensions
Wheelbase 2400mm
Track front/rear 1153/1220mm
Length/width 3900mm x 1550
Tyres 5.25 x 16
General
Fuel capacity 50 litres
Max speed 95 mph
Number produced 464 including 2 Mille Miglia cars, (52 rhd)
Club Mailing Address
BMW Historic Motor Club
Lower Norgrove,
Yarrington Road,
Alfrick,
Worcestershire.
WR6 5EX