The SHW cross-drilled lightweight brake rotor for 2018–2021 BMW M5 4.4L (right rear) is a vehicle-specific drilled replacement listed for that engine and wheel-side. Supplied as the right-rear unit with the catalog reference shown in the listing, this lightweight rotor serves as a like-for-like service part for the identified M5 rear-right position and supports direct replacement.
SHW 18-21 BMW M5 4.4L Right Rear Cross-Drilled Lightweight Brake Rotor (34217991104)