As for the thrust, it stands at pound-feet (1,190 Nm). According to the quoted tuning company, this BMW M4 Coupe has received a turbocharger upgrade, an intercooler, forged pistons and connecting ...

At first glance, the Bovensiepen Zagato may seem like just another BMW M4 Convertible. But under the skin – and all around it – is something far more exotic. It boasts the familiar firepower ...

Manhart extracts 922 hp from BMW’s M4 using forged internals and new turbos. Tuned coupe nearly matches a Veyron’s power while keeping its street-legal status. Carbon fiber overload includes ...

a coachbuilt grand tourer apparently based on the BMW M4 Coupe, making its world premiere at the Villa d’Este Concorso d’Eleganza this weekend. If the name Bovensiepen rings a bell ...

As unique as some of these design elements are, it doesn’t take an expert to spot similarities with an existing coupe from Munich… That’s because the Zagato is based on the BMW M4 ...

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This area is full to bursting with simply staggering driving routes. Now the M3 coupe is an M4 and has a modified production straight-six twin-turbo engine rather than a bespoke screamer.

The founders of BMW's wholly owned tuning house, Alpina, have revealed this gorgeous – and much more powerful – coachbuilt version of the German brand's already-rapid M4 Coupe.