Quote:
Originally Posted by sspdw
Yeah if this claim of close to 300whp is true i would say its in the 330 at the crank. Im not that suprised to be honest, its exactly the same technical uprades in the b48tu as in the b58tu. And the b58tu is pushing up to 10% more power compared to the old b58.
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The non-USA spec did not receive this emissions change update. B48TU was for a another USA model (M35i X2), which pushes more HP and TQ but at a lower compression. The USA spec B46 received an update to B46TU update for emissions. Please see attached.
I don’t think we share the same internals as the M340i, i.e., the 330i is not just two less cylinders and 1 less litre, there is more to it. Also, I would imagine that the software / programming is different for the M340i as compared to the 330i in regards to the gear box. It would not shock me to also learn that the M340i gear box has uprated internal physical components above the 330i.