I got a chance to see Berta yesterday and that car has potential! With frontal area that small that little beemer could drive circles around my Pug307 and still get better milage
One thing that I noticed is that it has no airdam/chin spoiler. Is that standard in BMWs? Or maybe only on the ones with lower suspension? Anyhow, Andrzej told me that a smooth belly is planned, so no airdam will be needed, maybe just wheel spats.
Another thing which got my attention were the side mirrors, they are kind of big. They also have small bumps on the inside (window side), probably VGs to reduce noise.
Good luck with the modding, you've got a good starting point
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e·co·mod·ding: the art of turning vehicles into what they should be
What matters is
where you're going, not
how fast.
"... we humans tend to screw up everything that's good enough as it is...or everything that we're attracted to, we love to go and defile it." - Chris Cornell
[Old] Piwoslaw's Peugeot 307sw modding thread