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      09-12-2015, 07:33 PM   #1
talhagursoy
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Drives: Bmw Z4 sDrive35i
Join Date: Feb 2014
Location: Fairfax, VA

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30FF Trouble Code

Hi guys,

I was on the highway and half CEL came on. Read codes and it shows 30FF Turbocharger, charge-air pressure too low. I checked the vacuum lines they LOOKS okay. What else I have to check? I am running jb4 map 5 with catless donwpipe, and I didn't FEEL any power lose. Anyone had this problem before ?
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