The SHW cross-drilled lightweight brake rotor for 2008–2013 BMW M3 4.0L (left rear) is a vehicle-specific drilled rotor listed for that engine and wheel-side. Supplied as the left-rear unit with the catalog reference shown, this lightweight rotor is intended as a direct-fit service replacement for the identified M3 rear-left position on applicable vehicles.
SHW 08-13 BMW M3 4.0L Left Rear Cross-Drilled Lightweight Brake Rotor (34212283803)