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After some research
this function allows for on-demand noise
precision craftsmanship
GPF delete (X-pipe)
These modifications remove the restrictive GPF
RKP Rear Wing - BMW 4 Series F82 M4 X3 M40i After some researchRKP Composites has emerged as an industry leader of top quality US and German made carbon fiber products, starting with an excellent development history in the E92 market. RKP was responsible for bringing M3 GTS and M3 GT4 racing parts to US M3 owners, and has pursued only the best components for BMW M cars since. From bespoke exterior solutions for the M5 and M6 to the most popular rear diffuser for the new F8x M cars, RKP has consistently delivered