BMW Alpina B12
Alpina B12 is the name of the car -Herstellers Alpina for its upper class models with twelve-cylinder petrol engine.
So far, the model designation for five different models on the basis of three was BMW sedans of the 7 series (types E32 and E38 ) and the coupe of 8 Series (type E31 ) used.
Those in the stroke left unchanged variants B12 5.0 - based on the 850i (or 1993 850Ci), achieved through various optimizations 257 kW (350 hp) and 470 Nm. Also, the speed limit of 250 km / h is canceled; The coupe reaches a top speed of 281 km / h. The E32 is rated at 275 km / h and the E38 with 6 liters displacement in its strongest variant with 316 kW (430 hp) creates according to the factory specification 291 km / h.
The end of 1992, shortly after launch of the BMW 850 CSi , presented Alpina the enlarged displacement B12 5.7 before. By reworking the engine and raising the lift to 5646 cm³, a power of 306 kW (416 hp) and a maximum torque of 570 Nm were achieved. Again, the speed limit has been omitted, whereby a top speed of more than 300 km / h is reached. In addition to the six-speed manual gearbox, this model also offered a six-speed shift tronic with which the clutch pedal was omitted. This Shifttronik is a precursor of the SMG . When changing gears, the clutch is fully activated with the shift lever. In the period from November 1992 to November 1996 left a total of 59 pieces of B12 5.7 the Alpina plant in Buchloe .
Motors
| model | Type | Displacement | cylinder | power | torque | 0-100 km / h | V max | Construction time | number of pieces |
|---|---|---|---|---|---|---|---|---|---|
| B12 5.0 | E32 | 4.998 cm³ | 12 | 257 kW at 5,300 rpm | 470 Nm at 4.000 / min | 6.9 s | > 275 km / h | 07 / 1988-01 / 1994 | 305 |
| B12 5.0 Coupé | E31 | 4.988 cm³ | 12 | 257 kW at 5,300 rpm | 490 Nm at 4.000 / min | 6.8 s | 281 km / h | 06 / 1990-05 / 1994 | 97 |
| B12 5.7 Coupé | E31 | 5.646 cm³ | 12 | 306 kW at 5.400 / min | 570 Nm at 4.000 / min | 5.8 s | 300 km / h | 11 / 1992-12 / 1996 | 57 |
| B12 5.7 | E38 | 5.646 cm³ | 12 | 285 kW at 5,200 / min | 560 Nm at 4.100 / min | 6.4 s | > 280 km / h | 12 / 1995-078 / 1998 | 202 |
| B12 6.0 | E38 | 5.980 cm³ | 12 | 316 kW at 5.400 / min | 600 Nm at 4,200 / min | 5.9 s | 291 km / h | 07 / 1999-07 / 2001 | 94 |
Translated from German by Wikipedia.