Collection: F8X M3/M4 – Engine

Everything for the heart of your F8X M3/M4: the twin-turbocharged S55 inline-six. Shop engine performance parts and OEM service components for the 2015–2020 F80 M3, F82 M4, and F83 M4 Convertible — from gaskets, mounts, and maintenance items to bolt-on upgrades that help the S55 breathe and make power reliably.

Every part is checked against your chassis so there’s no fitment guesswork. Building toward a bigger goal? Explore the full F8X M3/M4 parts catalog, or contact us if you’d like a second opinion on your parts list.