Quote:
Originally Posted by Blubaron79
Minus that, probably not a lot. The power kit for the 340 puts out 355hp with the same tq. Bmw is just probably unleashing it's potential.
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Yep, you're probably right. That head redesign was probably more to do with decreased emissions than anything. Sounds like it might have a slightly different turbo to get to that 382 number compared to the 355 that's already in production in the M40i. That or the higher pressure fuel system.