The BMW specialists at Alpina know how to exploit a niche when they see one. With the BMW M4 still not technically official, it saw the need for a higher performance four-seat convertible than the ...

Offered as both a coupe and a convertible, the M6 was built on BMW’s E63 (coupe) and E64 (convertible) platforms, utilizing a lightweight aluminum structure and a carbon-fiber-reinforced plastic ...