It’d be easy to kick this off by immediately talking grille size, but that’d be a lazy comparison to jump to. It’s what lies behind those grilles that matters.
The 1998, BMW Z3-based M Roadster on the right possesses a 3.2-litre straight-six with 321bhp. Its 2019 equivalent, the Z4 M40i, utilises a 3.0-litre straight-six turbo with 335bhp. Not much progress between the two, you might ponder, but that’s rather the point; as the Z4’s rivals flock to tax-evading four-cylinder engines, it’s stuck steadfast to the M Division rulebook. Sometimes more is more.
Images: Rowan Horncastle
Big thanks to The Hairpin Company (www.thehairpincompany.co.uk, 01249 760686) for letting us use their M Roadster