BMW has taken the covers off the all-new BMW M4 CS ... below it but less hardcore than the RWD-only M4 CSL with which it shares an engine. That S58 engine is a 3.0-liter twin-turbocharged straight ...

The BMW M4 CSL is the ultimate M4 ... The Venturi carbon fiber hood and engine cover highlight the presence of a powerful engine, while the stock splitter can be combined with matching garnish ...

The lightweight M4 CSL is a showcase of what BMW’s performance arm can do. Just don't expect it to be a daily-driver - or to come cheap.

One tour around the BMW M4 CSL is all you need to size it ... are merely unpainted swaths that show through. A plastic engine cover blocks your view of the 543-hp twin-turbo 3.0-liter inline ...

First, there’s no bushing clack. That sound turned out to be the engine cover banging against the strut brace. Second, as good as the CarBahn BMW M4 Competition was around our figure-eight ...

For $89,700, BMW will send you out on the road with the same 3.0-liter, twin-turbo inline-6 engine you find in the standard M4, but for Competition duty, it produces 503 hp instead of 473.

BWM on Wednesday unveiled its revitalised M4 Competition Coupé ... lurks under the bonnet where BMW's now familiar 3.0l twin-turbocharged six-cylinder engine has been modified to produce 390kW ...