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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 > Intercooler Piping



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      09-19-2017, 09:52 PM   #1
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Intercooler Piping

Hey,

I've been running an ARM Motorsports FMIC for a while and have had issues with boost leaks. The leaks are extremely small but I'm trying to remove all boost leaks from my intake tract.

I believe that if I were to cut off that crappy rubbery tubing and put a silicon coupler in place of that and just slide it over the intercooler connection, it should work a lot better? There's no leak from the other side, just the side with the crappy tubing. Is this a good solution or should I buy some kind of tubing kit? I'm kinda new to this stuff so if there's a tubing kit for it, what is it called?

Thanks
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      09-20-2017, 07:59 PM   #2
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The OEM connectors are prone to leaking and they're a major restriction as they neck down to less than 2". You can't stick a coupler over the existing intercooler outlet because there is no bead to keep the coupler in place. Your best bet is to upgrade to an intercooler that does not use the OEM connectors.
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      09-20-2017, 08:02 PM   #3
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Quote:
Originally Posted by Tiago@VRSF View Post
The OEM connectors are prone to leaking and they're a major restriction as they neck down to less than 2". You can't stick a coupler over the existing intercooler outlet because there is no bead to keep the coupler in place. Your best bet is to upgrade to an intercooler that does not use the OEM connectors.
I expected that but I can't just use a T-Bolt clamp over the silicone tubing? I do plan on upgrading to one of your intercoolers when I can afford it but right now I need a temporary fix. If I buy silicone tubing and use t-bolt clamps to secure them, it wouldn't do the trick?

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      09-20-2017, 08:03 PM   #4
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Without a bead the coupler will slide off under pressure and you'll have a larger boost leak.
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      09-20-2017, 08:04 PM   #5
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Quote:
Originally Posted by Tiago@VRSF View Post
Without a bead the coupler will slide off under pressure and you'll have a larger boost leak.
Ah okay. Isn't there some kind of solution I can do for now until I can afford one of your intercoolers?
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      10-22-2017, 07:36 PM   #6
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Im having the same problem did the silicone and the t clamps work for you with the intercooler?? please help
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      10-22-2017, 07:37 PM   #7
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Quote:
Originally Posted by DukerHD View Post
I expected that but I can't just use a T-Bolt clamp over the silicone tubing? I do plan on upgrading to one of your intercoolers when I can afford it but right now I need a temporary fix. If I buy silicone tubing and use t-bolt clamps to secure them, it wouldn't do the trick?

Thanks
Did This Silicone and T clamps Work with the leaks? I'm having the same problem with my ARM intercooler
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      10-22-2017, 07:39 PM   #8
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Originally Posted by Gene335i View Post
Im having the same problem did the silicone and the t clamps work for you with the intercooler?? please help
Hey man. Decided to just leave it as-is. I'm hitting boost on target and not having any issues with the setup so I'm not bothering. I do believe the silicone would work fine but I'd rather purchase a different intercooler and not mess with this one.
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      10-22-2017, 07:45 PM   #9
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Quote:
Originally Posted by DukerHD View Post
Hey man. Decided to just leave it as-is. I'm hitting boost on target and not having any issues with the setup so I'm not bothering. I do believe the silicone would work fine but I'd rather purchase a different intercooler and not mess with this one.
Thanks, i think ill try it. my target boost would be 18 and only hitting 7-10 on map 2 and 5
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      10-22-2017, 07:48 PM   #10
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Quote:
Originally Posted by Gene335i View Post
Thanks, i think ill try it. my target boost would be 18 and only hitting 7-10 on map 2 and 5
If you're still within the 30-day satisfaction guarantee with ARM, I would suggest contacting them. They sent me larger o-rings free of charge because I was having problems with leaks. I also received a replacement intercooler because the welds were messed up in the connections.
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