Alpina's return of the infamous 'S' designation - Enter the Alpina B4 Bi-Turbo S
As if the B4 Biturbo was not enough, with more power, enhanced drive and more aero the b4 bi-turbo makes for a...
As if the B4 Biturbo was not enough, with more power, enhanced drive and more aero the b4 bi-turbo makes for a...