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      06-20-2012, 11:33 AM   #34
Diver
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Drives: Black '12 135i - Sold
Join Date: Nov 2010
Location: Texas

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The PPK is a flash, not a plug in chip. For models that can take the PPK now, there is a stage 2 version that includes a larger cooling fan and auxiliary radiator. I am on my second 135i with the N55 engine. Only the second car has PPK and it is noticeably quicker.
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