Watch as this S54-powered, lightweight E36 reaches the final stages of its assembly, with a gigantic carbon airbox and neat 3-D printed interior bits. I'm sure it's crossed your mind before: "What ...

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.