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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N55 Turbo Engine Tuning and Exhaust Modifications - 335i Tuning > N54 vs n55 intercooler....



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      01-02-2011, 11:22 AM   #1
e92sport
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N54 vs n55 intercooler....

Does anyone know the difference between an n54 and an n55 intercooler????

I have a friend selling me an n54 helix intercooler for dirt cheap. I know the intercooler piping is different but is the intercooler design changed at all?
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      01-02-2011, 11:23 AM   #2
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ill buy it
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      01-02-2011, 11:34 AM   #3
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the inlet and outlets are not the same , same core ,but a n54 IC wont work in a n55 without in/outlet modification. Also, the IC piping is different exept the Tbody pipe....
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      01-02-2011, 01:48 PM   #4
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Quote:
Originally Posted by black e View Post
the inlet and outlets are not the same , same core ,but a n54 IC wont work in a n55 without in/outlet modification. Also, the IC piping is different exept the Tbody pipe....
What changes with the inlet and outlets?? Would it be the angles/direction in which they are facing? or would it be the diameter of the pipe?
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      01-02-2011, 03:50 PM   #5
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Quote:
Originally Posted by e92sport View Post
What changes with the inlet and outlets?? Would it be the angles/direction in which they are facing? or would it be the diameter of the pipe?
Try to look on the Helix web site, maybe you can find pictures of both. Or PM a member which installed an N55 Helix, maybe he has pictures...
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      01-02-2011, 04:00 PM   #6
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version 1 or 2 of the Helix?
i believe u'll need the helix charge pipe for the N55.
pm Helix because i've only read this
no personal experience.
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      01-02-2011, 05:13 PM   #7
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Quote:
Originally Posted by e92sport View Post
What changes with the inlet and outlets?? Would it be the angles/direction in which they are facing? or would it be the diameter of the pipe?


there angled diffrently. the inlet and outlet are different on the n55...don't know what else to tell you..
if you what to use the n54 IC you will have to modify it.
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      01-02-2011, 06:19 PM   #8
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Call helix they can set you up with the parts to make it work!
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      01-02-2011, 06:26 PM   #9
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Its just the inlet and outlet.
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      01-02-2011, 06:49 PM   #10
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Its just the inlet and outlet.
piping is aslo diferent...
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      01-02-2011, 07:12 PM   #11
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The inlet, outlet, and piping are different.
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