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Quote:
Originally Posted by DarkTrigger
The summary at the top says it'll be for the N20, but the actual article makes no mention of it. As we know the diesels are getting the PPK first.
I personally don't believe they'll have a PPK for the N20 since the boost is already so high. The N54 had a PPK, and the N55 in the E90 has a PPK, which is safe to say the F30 N55 will have a PPK.
N54 Boost = 7 psi
N55 Boost = 10 psi
N20 Boost = 16 psi
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I have had tuned 2-2.3l 4's in my stable for 15 years. 16psi is not high. There is room for an light oem tune netting 20-30hp at the crank. BMW would not make an engine for production so boost stressed stock that did not have room for more.