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2016–2021 BMW M2 Ignition FAQ's

Please read our FAQs page to find out more.

What spark plug heat range should I run on a tuned M2?

One step colder than stock is common with increased boost. Tighter gaps help prevent blowout at high cylinder pressureβ€”confirm with your tuner.

Are coil upgrades helpful on the N55/S55?

High‑output coils improve spark energy and reduce misfire as boost rises. Pair with quality plugs and verify dwell in your tune.

How often should I replace plugs if I track the car?

Inspect after events and replace as needed. High heat shortens plug life; keep a spare set gapped for your setup.