The BMW X7 is everything a big luxury SUV should be ... if you can stretch to it – the optional Ultimate Pack. The only diesel engine has 347bhp and can sprint from 0-60mph in a remarkably ...

The BMW X7 is everything a big luxury SUV should be ... and heated front seats. The only diesel engine has 347bhp and can sprint from 0-60mph in a remarkably swift 5.9 seconds.

and yet BMW’s new seven-seat, 5160mm-long, 2460kg X7 M50d does indeed exist. Ostensibly, this six-cylinder diesel M50d might not be the most ridiculous iteration of such a car – a twin-turbo ...