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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 > Will new intercoolers for M3 or N55 fit N54?



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      09-02-2009, 10:48 AM   #1
stressdoc
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Will new intercoolers for M3 or N55 fit N54?

Anyone have a look at the FMIC bits for the upcoming M3 and N55 applications? Any chance we might be able to swap our little N54 units for an improved OEM one? I would guess that BMW Perf would be all over this if a fit is feasible.
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      09-02-2009, 10:55 AM   #2
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Not aware of an intercooler for the M3...

Chances are, the intercooler for the N55 will also be crap.
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      09-02-2009, 10:59 AM   #3
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The N55 pictures show a bigger 11 row FMIC, i suppose it is quite the same as the one in the X6 N54

But I saw that the piping system changed a bit?! maybe less restriction?
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      09-02-2009, 04:16 PM   #4
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I think that the X6 3.5i intercooler would be the one to replace N54 intercooler with, or even the 740i intercooler. There is a thread on this forum with more details, there are not many modifications to be made to the X6 in order to fit.

Here is an idea: we should donate $10 per forum member to a trusted member who has fabrication skills and background in order to build a DIY kit to modify the X6 intercooler mountings/ducts to fit the 335i. The X6 intercooler costs about $200, I think that with $1000 cash someone could prototype such a kit.

Then we could buy an X6 intercooler and this ($100) modification kit and have a nice big OEM intercooler.
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      09-02-2009, 05:35 PM   #5
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That is the idea, $200 OEM FMIC, simple plumbing changes, and whiffo-presto, all the IC cooling we need for moderate use. Hoping BMW Perf will do this for us and keep price under $500, including an OEM catch-can.
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      09-02-2009, 09:19 PM   #6
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Quote:
Originally Posted by stressdoc View Post
That is the idea, $200 OEM FMIC, simple plumbing changes, and whiffo-presto, all the IC cooling we need for moderate use. Hoping BMW Perf will do this for us and keep price under $500, including an OEM catch-can.
I wish! Knowing BMW, probably no chance.
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      09-02-2009, 09:23 PM   #7
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Why the infatuation with oem IC? Just go custom or aftermarket.
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      09-03-2009, 04:05 AM   #8
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Why the infatuation with oem IC? Just go custom or aftermarket.

find us a custom or aftermarket IC for $200.
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      09-03-2009, 04:13 AM   #9
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there are people in italy swapping the 335d intercooler into the 320d. i guess everything can be adapted .
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      09-03-2009, 10:26 AM   #10
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Why the infatuation with oem IC? Just go custom or aftermarket.
Also, keeping it OEM the dealer can't really bug you..
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      09-03-2009, 11:27 AM   #11
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Also, keeping it OEM the dealer can't really bug you..
not necessarily, granted its a bmw part, but its not original on the particular car; im sure they would give the same treatment as aftermarket parts if a problem were to arise
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