Select Vehicle
Select Vehicle

2014–2018 BMW M3 Forced Induction FAQ's

Please read our FAQs page to find out more.

Best turbo upgrade paths for the S55 F80?

Hybrid twin‑turbo upgrades retain response while flowing more than stock. With cooling and fuel, 500–600+ whp is achievable on pump/ethanol blends.

Is a stronger wastegate actuator or EWG needed?

Higher boost targets may benefit from stronger actuators or external gates for creep control and consistent midrange torque—coordinate with your tuner.

How do I keep spool responsive with bigger turbos?

Use efficient charge‑cooling, tight piping, and proper cam timing. Ball‑bearing CHRAs and a quality tune minimize lag while adding headroom.