The Wilwood rear FNSL4R bracket kit for BMW E46 M3 adapts radial-mount calipers using a 5.98" center-to-center radial mount pattern and is engineered from high-strength aluminum alloy. The application-specific kit includes the mounting hardware required to position Wilwood radial calipers on the E46 M3 rear mounting points, matching the dimensions and installation intent in the product description.
Wilwood Rear FNSL4R Bracket Kit BMW E46 M3