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      07-13-2012, 10:57 AM   #62
tuna_hp
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From the OP:

"There have also been rumors that perhaps the F32's introduction will be an occasion for BMW to introduce a successor engine to the current 6-cyl N55 engine powering the F30, but that's purely rumor for now."

Does anyone know where these rumors are from? Some links?

I've been looking for news about an N55 replacement. There isn't enough differentiation between the 245hp / 260tq 28i and the 300hp/300tq 35i. Plus some of BMW's competitors are getting away from them in power. Audi S4, G37, this years new Jaguar s/c V6, rumored new mercedes x350 engine with forced induction, all have or will have closer to 330-340hp.

Plus 2.0L 4 cylinder engine makes 260tq... add 50% for 50% more displacement and cylinders and you're at 390 lb ft. Yes obviously it doesn't work that way and the single turbocharger can't provide 50% more boost while still being as responsive, but the I6 should be able to rev higher to produce pretty close to 50% more horsepower than the I4 even if they can't quite produce 50% more torque... if they wanted to produce such an engine.
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