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Plug gap for 2016 N55?
I'm about to replace the plugs in my 2016 M235i with NGK Iridium laser 97506 plugs. My car is stock except for a BMS Stage1 tune. What should I gap these at? I heard as small as .020 but maybe that's too small given the very mild tune?
Last edited by DanATL; 04-03-2026 at 12:46 PM..
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