BMW 3.0 CSL homage spy shots: M4 CSL-based special edition coming soon

BMW M turned 50 this year and BMW is celebrating in a big way. We’ve already seen new M3 Touring and M4 CSL models introduced, and there’s also an M3 CS, redesigned M2, and standalone M SUV all coming. Also in the pipeline is an M4 CSL-based 3.0 CSL homage coming to really celebrate this year’s 50th anniversary of BMW M with bang. BMW M boss Frank…