
For more than four decades now, German tuning house Alpina has been modifying BMWs cars. The Bavarian luxury carmaker has a tight relationship with the tuner going as far distributing the high-performance models through its official network.
Alpina's newest creation is the B6 Bi-Turbo Cabrio based on the latest 6-Series Convertible, which will make its world premiere at the rapidly approaching Frankfurt auto show on September 13.[...]
Source:
Carscoop
https://www.tuning-links.com/news_2432_New+Alpina+B6+Bi-Turbo+with+507HP+to+Bow+in+Frankfurt.html