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^^ All FI set up are mod "friendly".
because ESS perchargers are aweful expensive. NA tunes only yield minium gains and awefully expensive on E90 M. vs. FI are easy to put small $ and gain lots of hp.
i.e exhaust and tune on evo yields around 50whp gain on a 2liter engine, vs E90 exhaust and tune if you are lucky to get 15~20whp. meaning on a v6 biturbo platform, exhaust and tune with slight increase in boost may yield massive gains. Remeber supra TT (I6 biturbo)?? go look them up see how mod friendly they were.
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