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Boost leak?
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06-09-2019, 11:12 PM | #1 |
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Drives: 09 335i, 11 335xi, 17 X3 M40i,
Join Date: Sep 2018
Location: Pennsylvania
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Boost leak?
Hey all so recently after blowing off my VRSF chargepipe my car has developed a loud whistle under WOT on the driver's side. I've made sure to tighten everything down to resistance and behind the bead of the couplers, I used the o-ring that came with the pipe, and I have tightened the meth bungs which made an improvement.
I got underneath today to check the FMIC couplers which are stock and couldn't find anything loose or broken on either side. I'm going to poke around tomorrow again to double check and try to get a leak test done. Car is meeting boost targets and is continuing to boost and pull strong, running MHD Stage 1+ car is relatively stock. Any thoughts? Normal noise or boost leak hunt
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The Olives
Current: 2015 M4, 2018 X3 M40i, 2018 Elantra Retired: 2009 335i, 2011 335xi |
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