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BMW needs to take notes from Vishnu. A good tune with a big single should be putting down around 550 RWHP and around 500 foot pounds... Is anyone taking odds on n54 vs n55 for the new M3 considering BMW put the n54 in the 1M and the 335is over the n55? Unless they did some major upgrades to the n55 and if so, I doubt they would keep the n55 engine code. Any thoughts?
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