Boost leak help.

Young_Man · 08-30-2016, 08:42 AM

I had a log reviewed recently and it was brought to my attention that I had a major boost leak. All vacuum lines have been replaced. I also checked the charge pipe and intercooler connections and couldn't find anything. Would the wastegate solenoids being bad cause what appears to be a major boost leak? "wgdc is already at 70 % for really low boost targets" is what my tuner told me. Any input would be greatly appreciated.

LQQKOUT · 08-30-2016, 10:08 AM

I had a boost leak by the TMAP sensor. The o-ring was pinched.

Young_Man · 08-30-2016, 08:38 PM

Found it. The o-ring for my bov was ruined

08-30-2016, 08:42 AM	#1
Young_Man Lieutenant 42 Rep 568 Posts Drives: E90 335i Join Date: Jun 2011 Location: Earth iTrader: (4)	Boost leak help. I had a log reviewed recently and it was brought to my attention that I had a major boost leak. All vacuum lines have been replaced. I also checked the charge pipe and intercooler connections and couldn't find anything. Would the wastegate solenoids being bad cause what appears to be a major boost leak? "wgdc is already at 70 % for really low boost targets" is what my tuner told me. Any input would be greatly appreciated. __________________ AA Signature Exhaust / AA 3" Catless Downpipes / VRSF 7" FMIC / AFE Dual Cone Intake / ER Charge Pipe / Tial Q BOV / RPI Scoops / RB Upgraded PCV & Cap / BMS OCC / Alpina Trans Flash / Powered by JB4 G5 ISO
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08-30-2016, 10:08 AM	#2
LQQKOUT Lieutenant 104 Rep 416 Posts Drives: 335XI Join Date: Jul 2011 Location: United States iTrader: (4)	I had a boost leak by the TMAP sensor. The o-ring was pinched.
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08-30-2016, 08:38 PM	#3
Young_Man Lieutenant 42 Rep 568 Posts Drives: E90 335i Join Date: Jun 2011 Location: Earth iTrader: (4)	Found it. The o-ring for my bov was ruined
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