It's a fishtail exhaust, as on the Brooklands edition.
I have noticed that one or two US M3Ws have the headlamps in that configuration. Is that a regulatory requirement in some States? Yes, US requirement.
Ian
2011 Plus 4
Wild Mogs Reims 2019, Goodwood 2018, Isle of Man 2017, Carried on to Caramulo" 2016
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