2020 BMW M5 CS spied

The upcoming BMW M5 CS has been snapped totally undisguised, revealing its lightweight wheels and carbon lip spoiler. Designed to sit above the M5 Competition, which is no shrinking violet itself, the new CS will be lighter, more aggressive and potentially more powerful than its stablemates. There are a couple of big giveaways that this is a CS, not a Competition wearing some M Performance add-ons. First up, it's wearing a CS badge...