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      11-22-2012, 09:29 PM   #21
NoTempoLimitN54
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Drives: E92 335i
Join Date: Sep 2012
Location: Los Angeles, CA

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But the question remains: What's the difference between the N54 in the 335is and a '07-'10 my 335i N54 with the PPK version 2 installed?

BMW Performance doesn't claim the overboost function for the PPK. But notice that it only adds 20 HP +17~34 Tq. but BMW claims that owners "really feel the difference" and there has been "good feedback". I have a sneaky suspicion that the overboost function in is the PPK as an unadvertised feature.

I'm going to be installing a boost gage soon, and I plan to install the PPK v.2 in the near future (I want the full cooling upgrade since 335i's tend to overheat when tracked or driven hard - see the epic thread on this forum). I should be able to easily see how much the boost is increased by getting to know the boost gage in stock form before installing the PPK.

I also like the fact that once you have the PPK v.2 installed on an N54 it is essentially the same engine as the 335is/Z435is/1SeriesM. The latter two cars have slightly more power because they have better under hood cooling (AFAIK).
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2009 335i 6MT (E92/N54), Black Sapphire / Shadowline (Individual 760) / Black Dakota Leather, ZSP, ZCW, 6FL, PDC, no Nav/iDrive, 19 x 8.5 / 19 x 9.5 VMR VB3 in Hyper Black, Pilot Super Sport 235/35 fr 265/30 rr, M3 control arms + tension links (fr)
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