Did you have to code in order to prevent O2 light up?
I'm interested in fitting the same header on my 328i, however, this seems to be the only thread that I can find up here. I'm worried if I would have the O2 sensor light up after install these? If so, is there anything I can do to prevent or solve it? Or did yours just work perfectly without any problem?
Thank you so much for your help!
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