BMW 507 Roadster
BMW 507 Roadster
The 507 Roadster was BMW's answer to the Mercedes Benz 300SL.This beautifully made car with a aluminum body, aluminum V8 engine, even a built in aluminum tool box, with a price tag of $11700. The first post war BMW to come close to the legendary 328 was the 507 introduced in 1956. At the heart of the 507 is a sweet-revving 3.2 litre V8, based on the 2.6 litre engine first used in the 501 saloon. Made largely of alloy, the V8 produces between 150 and 170bhp depending on the state of tune. The exterior styling of the 507 has influenced many . BMW designs of the late 1990s like the Z3 and Z8. Details like the the air vent in the front fender can be found on contemporary models as well.
The 507 remains as one of the most legendary of the post war BMWs. Unanimously known today as Albrecht Graf Goertz's masterpiece, this vehicle was impressive not just because of its exciting, modern lines, in which one could see power and hot-bloodedness, but also because of its actual driving performance. The chassis of the sedan was shortened by 350 mm, and the track width for both the front and rear axles was markedly increased. Two down-draft carburetors like in the BMW 503 were used here, but an increase in the compression ratio from 7.3:1 to 7.8:1 resulted in 10 additional horsepower for the aluminum V-8. According to the final drive ratio selected, one could achieve speeds of up to 132 mph. Beginning in 1958 disc brakes were available for the first time on a German production car on the front wheels. Hans Stuck utilized the BMW 507 with great success for mountain racing. The sales of this expensive roadster remained, however, modest. Only 252 examples were produced, mainly by hand, for a select clientele.
BMW 507 - Technical Data
- Build Period: 1956–1959
- Units: 251
- Price: DM 26,500
Weight and dimensions
- length x width x height (mm): 4,380 x 1,650 x 1,260
- wheel base (mm): 2,480
- front track (mm): 1,445
- rear track (mm): 1,425
- empty weight (kg): 1,220
- permissible total weight (kg): 1,500
- fuel consumption (l/100 km): 17
- Maximum speed: 190–220
Engine
- Type: eight-cylinder V-engine
- bore x stroke (mm): 82 x 75
- Displacement: 3,168
- Power output: 150 PS at 5,000 U/min
- compression: 1:7,8
- valves: Overhead, central camshaft, carburetion system 2 Zenith 32 NDIX dual-barrel downdraught carburettors
Power train
- clutch: Single dry plate clutch
- transmission: Four-speed, central shift, synchromesh on all gears
- gearbox ratios: 1:3,776/1:2,353/1:1,49/1:1
- (sporty gearbox: 1:3,54/1:2,202/1:1,395/1:1)
- reverse gear: 1:5,377 (sporty gearbox: 1:5,03)
- drive transmission: 1:3,7 (series) or 1:3,42 or 1:3,9
Electric system
- generator 200 W
- battery 12 V 56 Ah
- spark plugs: Bosch W 24 RT 1 or Beru E 240/14 (with radio)
Chassis
- body/chassis Full protection-box frame with tubular cross members
- rear-wheel suspension: Banjo axle located by spring levers and Panhard rod
- wheel rims 4,5 E x 16
- tyres: 6,00–16
- front brakes: Hydraulic two leading-shoe, brakes with servo, front brake diameter (mm) 284
- rear brakes: Hydraulic leading-shoe, drum brakes with servo, rear brake diameter (mm) 284
New news facts:
The imazing project continues to create or actualy rebuild the volkswagen from scratch with limited resources which may be of interest to the research community at large.
At the same time, for obvious reasons, these resources represent valuable assets for these guys and their companies and partners in the project, as the resources can be, and are being, exploited for both commercial and research purposes by their creators. This is a true miracle of human construction. More..
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