Alpina launches 'bahn-storming B4 S Bi-Turbo

Staff writer

The famed BMW tuners are back and their latest bi-turbo creation looks set to increase Alpina's notoriety for producing powerful yet stylishly understated machines.

Based on the current BMW 4 Series, the Alpina B4 S Bi-Turbo features a specially tuned version of the German marque's 3.0-litre straight-six engine.

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Alpina launches 'bahn-storming B4 S Bi-Turbo

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