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BMW Isetta 250/300 (GB Spec.) |
1957-1962, Germany |
engines/performance |
| engines: |
| years |
cyl./valv. |
compr. |
displacement |
power |
|
specific |
fuel |
torque |
|
| 57-62: |
1/2V |
6.8:1 |
245cc.(15ci) |
12DIN-hp |
@5800rpm |
49.0 hp/l |
1bbl |
10lb-ft. (14.2Nm) |
@4500rpm |
| 57-62: |
1/2V |
7.0:1 |
298cc.(18ci) |
13DIN-hp |
@5200rpm |
43.6 hp/l |
1bbl |
14lb-ft. (18.4Nm) |
@4600rpm |
|
|
performance: |
| engine |
topspeed |
0-50mph |
0-62mph |
0-100mph |
0-124mph |
1/4mile |
mileage (US-gallon) |
| 0.2l12hp: |
85kph/53mph |
40.0s |
?s |
?s |
?s |
?s@?mph/?kph |
4.0-5.0 l/100km | 47.0-58.8 mpg | | 0.3l13hp: |
85kph/53mph |
40.0s |
?s |
?s |
?s |
?s@?mph/?kph |
4.5-5.5 l/100km | 42.8-52.3 mpg |
|
tyres/transmission |
| tyres front/rear: |
4.80-10 |
| transmission/drive wheel: |
4-speed/RWD |
dimensions/weight |
| length x width x height: |
2355 x 1380 x 1340 mm (92.7 x 54.3 x 52.8 in) |
| wheelbase - tread f/r: |
1500 mm - 1200/? mm (59.1 in - 47.2/? in) |
| some calculations: |
base aera: 3.25 m² (35.0 sq.ft.) - frontal aera: ~1.53 m² (~16.4 sq.ft.) - LxWxH: 4.35 m³ (153.8 cu.ft.) |
| aerodynamics: |
coefficient of drag (cd): ? - drag area: ? m² / ? sq.ft. |
| weight: |
580 - 600 kg (1279 - 1323 lb) |
| power/weight-ratio: |
46.2 - 48.3 kg/hp (101.8 - 106.6 lb/hp) 21 - 22 hp/ton |
price/production |
| base-price: |
2,780 - 2,890 DM (1957) |
| production: |
1,750 |
|
The italian company "Iso" developed the Isetta and sold it from 1954. BMW bought the license to produce a licensed version of it.
BMW made some improvements (like replacing the 2stroke engine by a 4stroke one taken from the motorcycle BMW R25) and
sold it successfully between 1955 and 1962.
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Pictures taken at the "Retro Classics meets Barock 2009" in Ludwigsburg, Germany |
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