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DIY: Do It Yourself
Post here to share or improve your wrench turning skills! All BMW E46 DIY tips, tales, and projects discussed inside. Learn to work on your car and know the right BMW parts you will need!

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Old 08-23-2012, 10:40 AM   #1
MrRabbitz
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M3 radiator in Non M. It works

Hey just wanted to post and say that i was able to install a m3 radiator into my 325i with a few minor mods with the oem fan shroud. It was fairly easy, and if you guys like DIY i recommend you try it, but if you suck with a wrench dont do it.

sorry i dont have a full cover on how to do it, I wasent sure it was going to work so I didnt take any step by step pictures.

good luck.
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Old 08-23-2012, 11:15 AM   #2
sunnyjay
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general pictures of the fitment would be nice.
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Old 08-23-2012, 10:05 PM   #3
MrRabbitz
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as promised!

r1

r2

r3

r4

r5

r6

r7

Last edited by MrRabbitz; 08-23-2012 at 10:07 PM.
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Old 08-23-2012, 10:31 PM   #4
Dreamliner330
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What exactly is the advantage?

ohh wait...all metal?
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Old 08-23-2012, 10:41 PM   #5
sellsellsell2000
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The M3 Radiator does not have plastic mount on side like Non M radiator. See pic 3 as comparison.

In another word, M3 radiator are FULL aluminum vs Non M radiator that are aluminum and plastic.
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Old 08-24-2012, 12:18 AM   #6
paraklas
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Isn't odd that the M3 is smaller than the non-M version?
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Old 08-24-2012, 07:32 PM   #7
MrRabbitz
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it is smaller, but it is thicker, dual core and full aluminum so it dissipates heat a lot easier and it can hold more fluid. I am not sure if the oem radiator is dual core or not though, over all its been running awesome with a little rub from the fan on the ac compressor. but over time the plastic will grind away lol.
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Old 08-24-2012, 07:34 PM   #8
MrRabbitz
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Quote:
Originally Posted by Dreamliner330 View Post
What exactly is the advantage?

ohh wait...all metal?
Yeah and it will never fail due to leaking plastic piece, cause there is non!
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Old 04-21-2013, 01:38 AM   #9
TerraPhantm
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My M3 radiator has plastic fittings... Odd. Anyway I'm bumping this thread to find out what modifications you made for the shroud. I want to retrofit a non-M fan (electric) and don't know what that entails.

Also the reason the m3 radiator is smaller is because we have an oil cooler below the radiator.
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Old 04-22-2013, 01:41 PM   #10
MrRabbitz
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For the shroud, I remember removing something.... i think it was the piece that connects the reservoir to the radiator. Instead od having that piece, i secured it with zip ties. The radiator is still working fine, ac works great, and no leaks so far and its been almost a year and a half i think?

Good luck man.
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Old 04-22-2013, 01:43 PM   #11
MrRabbitz
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oh i also have a slim fan i bought, but have been way to lazy to fit it. It will allow better fitment with no rub on the ac compressor, but since its not really giving me problems.... i am just gonna leave it haha or until i muster up some motivation
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