bi-turbo

The 2009 BMW Alpina B7 Bi-Turbo will join the B6 GT3 race car on the stand in Geneva, and thanks to AutoZeitung, we've got a singular photo and some preliminary specs on the uber-sedan from Alpina.The B7 Bi-Turbo is essentially ...

For ALPINA, simply substituting a larger engine for added performance is considered alien. Instead, the German automaker prefers to "maximize the sporting potential of existing units." With that in mind, ALPINA has tweaked the twin-turbo diesel powerplant from the BMW 123d and dropped it under the ...