Collection: G8X M3/M4 – Engine

Everything for the heart of your G8X M3/M4: the twin-turbocharged S58 inline-six. Shop engine performance parts and OEM service components for the 2021+ G80 M3, G81 M3 Touring, G82 M4, and G83 M4 — from gaskets, mounts, and maintenance items to bolt-on upgrades that help the S58 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 G8X M3/M4 parts catalog, or contact us if you’d like a second opinion on your parts list.