I went straight from an M3 cabriolet ( this is not cutters so I will not call it a 'vert') to a CSL. I was suprised a little by how big the change was. The weight difference is over 300kg and obviously the chassis is massively stiffer. But I do wonder what the difference is like compared to a late M3 coupe with the CSL SMG software, where the weight difference is.much smaller and the chassis is stiffer. The CSL was nearly 50% more than the same car when new, but is now 200% more. Who has experiences of the differences and what are they like?
MC
MC

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