Nothing wrong with a good sounding E46 M3, (its an iconic sound for inline 6 BMW's) but if you want that sound you need that engine and more importantly you dont want 2 turbo's muffling the sound like on the N54.
You can run N/A mode on some tunes, it would sound close to that if you have a good aftermarket exhaust, however, power output is sub 200HP.
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