My Vorsteiner diffuser on the 535 was 90% resin with a piece or two of low grade CF placed inside for looks..... Held up to the sky the sunlight will shine right through it.
Basically ultra low grade production for a not so cheap price. Yes it came from a Vorsteiner dealer in a Vorsteiner box and had their holographic sticker on it. My trust in
their wheels being quality is quite low.
I tried calling Vorsteiner and you cannot get through their voicemail to a human being. Based on that experience I would go with a trusted brand....or basically
A forum community dedicated to BMW owners and enthusiasts. Come join the discussion about Bimmerfest events, production numbers, programming, performance, modifications, classifieds, troubleshooting, maintenance, and more! Bringing the BMW community together.