The louvres are mainly for aesthetics...
They look good and remind me of the racing Plus 8's that had the vents in for cooling I believe.
That is an ingenious way of mounting the disc with no panel drilling or scuffing as per the standard units

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Just like your alloy cockpit cover you had made for your M3W you have shown MMC the way forward once again

Their later fibre glass one looks tacky in comparison to yours...
![[Linked Image]](http://tm-img.com/images/2023/04/25/dsc05826.jpeg)