Aftermarket BMW tuner Alpina aims up with its 4 Series fighter, to mixed effect

Alpina is back. The BMW aftermarket tuner returns to Australian showrooms this year, headed by a portfolio of new models including the B4 S, a sporty coupe based on BMW’s 4 Series. Promising more charm, bespoke features and outright luxury than its donor car, the two-door also benefits from a boost in performance. But the changes don’t come particularly cheap.

Sibling rivalry