[RvsBmw]

Originally Posted by Westersund

My Z4 M have the stock brakes still and that won't change anytime soon. My E46 M3 run the 345 mm discs but with Renault Megane RS CUP calipers up front and the Porsche calipers in the rear. But my Z3 Coupe will be fit with the Porsche setup all around with the 345 mm discs up front.

There's more stores that provide adapters but I bought my rear adapters here:

https://epytec.de/en/brake-system/adapters/2221/bmw-e46-m3-brake-caliper-adapter-porsche-996-e46-m3-csl-345x28-brake-disc?c=2047

https://epytec.de/en/brake-system/adapters/2617/bmw-e46-m3-brake-caliper-adapter-rear-porsche-caliper-e46-m3-328x20-brake-disc?c=2047


Or if you wanna go for the Renault Megane RS CUP brakes instead (This kit is installed on my E46 M3 up front):

https://freakyparts.co.uk/products/bmw-e46-m3-brembo-4-pot-big-brake-kit

Thanks for reply. I've seen the clio or megane rs trophy brakes on m3's. Are they different than the Porsche?