On its own, the CAI won't make an appreciable difference. But combined with other mods like throttle body, engine-mapping, free-flow exhaust, and limited-slip differential, the combination is a game-changer. Add suspension and tire mods and you won't recognize the car. It has so much potential, but the parts source is everything. Dinan is the gold standard, the only after-market supplier outside of Germany's Alpine that's fully sanctioned by BMW. Dinan is not first-to-market with mod kits like bogus suppliers who magically offer performance upgrades on newly introduced models. Dinan won't offer anything until it's totally tested, vetted, and guaranteed to work as promised.
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