Best carbon fiber mirror caps for BMW M3?

Get the AutoTecknic Dry Carbon Mirror Covers instead if you care about the actual manufacturing process. Dry carbon uses a pre-preg autoclave method which cures under high pressure and heat, meaning zero resin pooling and a much tighter weave structure that won't distort in the Miami heat. Wet lay-up caps are way more prone to micro-voids and yellowing over time regardless of the clear coat because the resin-to-fiber ratio isn't dialed in. Autotecknic uses a 3K 2x2 twill weave that actually lines up with the OEM M Performance carbon roof pattern pretty well. Just make sure you hit whatever caps you buy with a ceramic coating right out of the box before installing them. That adds a sacrificial layer against UV degradation and keeps the clear coat from hazing up after a year of direct sun. Fitment on the dry carbon versions is molded straight from OEM laser scans so they clip into the factory housing without needing to force them or mess with double-sided tape everywhere.

Late to the party, but living down in South Florida means you gotta be super careful with sun damage. Over the years I've tried many sets on my own cars. RW Carbon makes decent stuff, but fitment can sometimes need a little tweaking. If you want something rock solid that wont yellow in that brutal Miami sun, check out the AutoTecknic Dry Carbon Fiber Mirror Covers or maybe look at what IND offers. IND usually sources top-tier parts and their clear coat is properly baked on.

• OEM M Performance caps are the safest bet for weave match, though pricey.
• RW Carbon is a solid middle ground if you want to stay strictly in budget. Just make sure whatever you grab has a heavy duty UV inhibitor built into the clear coat, otherwise youll be dealing with cloudy resin by next summer.

Honestly living in Miami sun you gotta be careful with fading. I would suggest sticking with RW Carbon cause their UV clear coat has held up great on mine for years.