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2016–2021 BMW M2 Engine Components FAQ's

Please read our FAQs page to find out more.

What internal upgrades are common past bolt‑ons on the F87?

Forged rods/pistons, upgraded bearings, and head studs support elevated boost. N55 single‑turbo builds and S55 twin‑turbo M2C builds both benefit at higher power levels.

Is the S55 crank hub an issue on the M2 Competition?

Crank hub slip is a known S55 risk at higher power or repeated track use. Many owners add a one‑piece or pinned hub/capture plate as preventative insurance.

Do cam upgrades help on the N55/S55 platforms?

Mild cam profiles can widen the powerband on high‑flow setups, but most street/track cars prioritize turbo, cooling, and fueling before cams.