Karbonius G8X M2 / M3 / M4 Carbon Front Strut BraceKarbonius G8X M2 M3 M4 Carbon Front Strut Brace Part # G8XSB01 CF 2 ***2X2 WEAVE ONLY*** Please inquire for 1X1 weave. While the F8X M3 and M4 received a huge carbon fiber strut brace that was not only incredibly strong, tying the front strut towers to the front core support, but incredibly beautiful as well. Unfortunately, though it was also an extremely functional piece, working with the space and cost constraints, BMW utilized a stamped steel 2