BMW claim the M4 CSL makes 543HP, but having driven it for nearly 3000 miles it feels a bit more powerful than that, much more like what a Stage 1 tune would be making!
But just how powerful is it? We head to the dyno to find out if BMW have once again underrated the CSL.
We also compare this graph to a RWD G80 M3 Competition to see how the two differ in power and shape of the graph.
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