Black all-aluminum CSF 8321 auxiliary radiator with a 42mm two-row core and OE-style connections and mounts.
Sold individually: one radiator per order quantity. Fits either left or right. Two radiators are required to replace both sides. A detachable rock guard is included.
Manufacturer part number: 8321. OE reference: 17118095285.
Confirmed S58 3.0L turbocharged inline-six fitment
2023–2026 BMW M2; 2026 M2 CS
2021–2026 BMW M3 base and Competition
2022–2026 BMW M3 Competition xDrive; 2024 M3 CS
2021–2026 BMW M4 base and Competition
2022–2026 BMW M4 Competition xDrive
2025–2026 BMW M4 CS; 2023 M4 CSL
Confirm your model and trim before ordering.