The average cost of auto insurance for a BMW is $244 per month. The cheapest BMW model to insure is the BMW X1 SUV, at a rate of $192 per month.

The hardest, fastest M4 that has ever been has arrived in the shape of the M4 CS, which sheds weight, increases power and activates just about every performance add-on you can think of. In less happy ...

The 'standard' M4 is powered by a 3.0-litre six-cylinder turbo-petrol engine producing 390kW/650Nm, with the M4 CS pumping out 405kW.