The Remus replacement tube spacer for 2021‑present BMW M3/M4 (G80/G82) is a direct‑fit connecting component specified for those model platforms. It functions as a spacer within the exhaust system’s tubing assembly for the M3/M4 models listed, matching the OEM geometry to maintain proper alignment and fit during exhaust service or replacement of factory components.
Remus 21+ BMW M3/M4 (G80/G82) Replacement Tube Spacer