The BMW X4 is a prime example of BMW’s obsession with niche-filling. It’s a large SUV but it’s also a coupé, apparently. Underneath, the company has kept things relatively simple, with all X4s being ...

There are only a limited number of petrol engines on offer new with the X4 and most used examples of the X4 are powered by diesel. Even the 187bhp 2.0-litre, four-cylinder diesel in the 20d is smooth ...