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I've entertained the thought of doing a N55 -> B58 swap in the far future, including the turbo, air-to-water intercooler and fuel pump, etc.. Realistically, does anyone know how much trouble it would be to get all the electronics connected? I assume you would need the B58 ECU, but beyond that, the dash cluster and iDrive should be similar and hopefully plug in? (Just guessing here lol).
I've seen articles of people hitting 500-600 WHP with bigger turbos, E50 and tune. Mighty tempting lmao.
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