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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 > Boost leaks



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      02-04-2010, 02:38 PM   #23
Sniz
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Quote:
Originally Posted by ianthegreat View Post
What do you mean you could see the overspray? I want to check this on mine also.

I don't like the couplers I have with my helix - specifically the one on the passenger side. The intercooler pulls on it a little causing it to sort of 'crinkle.' I'm wondering under boost if it almost 'crinkles' closed or opens back up. ~eh.
he means oil leaking out at the connector indicating a boost leak.

I guess he meant overspray = blowby
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      02-04-2010, 04:18 PM   #24
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Quote:
Originally Posted by Sniz View Post
he means oil leaking out at the connector indicating a boost leak.

I guess he meant overspray = blowby
Oh ok, that makes sense.
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      02-04-2010, 06:37 PM   #25
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Originally Posted by Htown09 View Post
Thanks I will make sure all connection's are tight. Was this with aftermarket IC or stock?
After market...Helix..not that it was defective works great the mechanic was defective...LOLME!!
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      02-04-2010, 06:40 PM   #26
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Quote:
Originally Posted by ianthegreat View Post
Oh ok, that makes sense.
Exactly u can see the little oil (no catch can here)
I agree that connection is twisted on mine also wish there was a better connector for the passenger side.
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      03-27-2010, 10:55 AM   #27
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Quote:
Originally Posted by cstmx_ryder View Post
If a cylinder misfires, it could be the following:

-injector
-plug
-coil


I'd start with the least expensive of the three to diagnose the problem, that being the coils or plugs. Try switching coil #6 with #1 and see if the problem follows. If it does, then it might be the coil, if it doesn't then do the same process with the spark plugs. If the problem still persists, then it might be the injector?
I had misfire cylinder six. New injecter, new plugs, swapped coils, still misfire same cylinder with boost above 12.5. With procede rev 1.
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