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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > DP to Mid-pipe Leak



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      06-09-2012, 04:58 PM   #1
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DP to Mid-pipe Leak

Has anyone had to double gasket the DP to mid-pipe connection to get it to seal? The flanges are hitting and I still have a slight exhaust leak... Is there a thicker gasket out there? I have cp-e DPs for what it's worth
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      06-09-2012, 06:03 PM   #2
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Are you reusing the gaskets or are these brand new?
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      06-09-2012, 06:34 PM   #3
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New ones...
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      06-09-2012, 07:05 PM   #4
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Are the flanges aligned perfectly? That is the first connection you should align. Then, tighten the turbo-to-DP V-band clamps and everything else.
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      06-10-2012, 09:05 AM   #5
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Yeah, they look completely flush... Just can't get them to seal completely. I brought the car to a shop and they said that they couldn't make it any tighter either...
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      06-10-2012, 12:58 PM   #6
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Buy a 2nd set of gaskets, might help close up that gap between the pipes
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      06-11-2012, 01:17 AM   #7
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I have a leak on one of my dps currently as well. I figured it was a bad gasket...perhaps I need to double gasket mine as well to complete the seal. tightening didn't work for me either.
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