Even for a company that employs so many people rocking fast footwear, BMW Motorsport’s launch of a lightweight E46 M3 back in 2003 – the now iconic and appreciating CSL – was big news.

Once upon a time, all of the products BMW applied ... Then, the CSL compounded that winning formula, upping the intensity and the inherent brilliance of the E46 M3 two-fold. Like the GTSs, though ...