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BMW M2 (G87) Radiator & Cooling FAQ's

Please read our FAQs page to find out more.

What cooling upgrades help during summer or track use on the M2?

Aluminum radiators, larger front heat‑exchangers for the charge‑cooler, improved shrouds/fans, and silicone hoses increase heat rejection.

Is an oil cooler advisable on tuned G87s?

Yes—stabilizing oil temperature and pressure preserves film strength under sustained load, especially on higher‑power builds.

Any tips for bleeding the cooling and charge‑cooler circuits?

Follow the correct procedures, elevate the nose, and purge high points. Air pockets cause fluctuating temps and localized hot spots.