F8x M2/3/4 Carbon Front Subframe Brace Plate
Tap right for info.
This is a simple DIY. Hardware is not included. BMW considers the bolts on the chassis rails as one time use.
Silvano is well known around the Nurburgring for making high quality, well fitting motorsport carbon components.
They are a subcontractor and official supplier of carbon fiber components for AMG's GT3 & GT4 Motorsport programs.