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E46 M3 (2001-2006) Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006.


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Old Tue, Sep-05-2017, 01:13:33 AM   #41
Engrmikl
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Default Re: Koyo radiator experience?

Ok I was looking at the CSF stuff but I think I just got talked out of it. What about oil coolers. What do you guys like for these?
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Old Tue, Sep-05-2017, 12:29:57 PM   #42
M3AT
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Default Re: Koyo radiator experience?

I finally got mine installed, so wanted to add my impressions of the koyorad as well. As stated above the install was smooth as could be, locked into the notches just like stock. I needed to find some bolts to mount the oil cooler but other than that fitment was 100%. I deleted my mechanical fan and all my shrouds to run a spal, so I can't comment on the shroud fitment with the radiator, but I was very impressed with the fit and finish. Took it to mid ohio last weekend, weather was only in the mid sixties to 70, but the coolant gauge never went past the middle. I know that temp isn't a strenuous test, so I look forward to seeing how it does in hotter weather, but so far I'm extremely impressed with this radiator and would recommend it to anyone!
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Old Tue, Sep-05-2017, 01:06:11 PM   #43
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Default Re: Koyo radiator experience?

Quote:
Originally Posted by Engrmikl View Post
Ok I was looking at the CSF stuff but I think I just got talked out of it. What about oil coolers. What do you guys like for these?

I'm not sure the CSF is as evil as people think, at least in my case. I took a hard drive yesterday after a bleed/rebleed/triplebleed at 97 degrees and my temps were rock solid at 168F (I have a water temp sensor at the block, not the oem water temp sensor). I am driving Sebring this weekend (if Irma leaves me alone) so I will have a better track experience with the CSF radiator.

I think the kicker is the bleeding. But, that's my .02.
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Old Tue, Sep-05-2017, 02:40:50 PM   #44
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Default Re: Koyo radiator experience?

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Originally Posted by Move_Over View Post
Tunersports has them on sale now for $387 shipped, so I ordered one.

I was going to stick with the OE radiator (getbmwparts has them for only $282), but the NPT port on the Koyorad was the selling point for me.
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Old Tue, Sep-05-2017, 02:55:46 PM   #45
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Default Re: Koyo radiator experience?

Quote:
Originally Posted by elbert View Post
Tunersports has them on sale now for $387 shipped, so I ordered one.

I was going to stick with the OE radiator (getbmwparts has them for only $282), but the NPT port on the Koyorad was the selling point for me.
Unless that vendor has added the NPT port on their own, the Koyo doesn't have one.
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Old Tue, Sep-05-2017, 02:58:28 PM   #46
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Default Re: Koyo radiator experience?

Quote:
Originally Posted by elbert View Post
Tunersports has them on sale now for $387 shipped, so I ordered one.

I was going to stick with the OE radiator (getbmwparts has them for only $282), but the NPT port on the Koyorad was the selling point for me.
...there is no NPT port on the Koyorad.
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Old Tue, Sep-05-2017, 03:44:29 PM   #47
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Default Re: Koyo radiator experience?

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Originally Posted by M3AT View Post
Unless that vendor has added the NPT port on their own, the Koyo doesn't have one.
Hmm, this was the description, but since you have one I would obviously take your word over theirs

Quote:
Koyo HH Series Radiator HH422675 for a 2001 2002 2003 2004 2005 2006 BMW 3-Series E46 M3 (M3 only) (E46 Chassis - w/ All Transmission) .

Features

Koyorad “HH” Series 48mm Hyper Core
OE Specific mounting and direct fit
Nocolok-R Brazing
Precise Tube and Fin alignment
Billet aluminum filler neck
1/8” NPT female accessory fitting
I guess we'll find out!
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Old Tue, Sep-05-2017, 03:51:04 PM   #48
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Default Re: Koyo radiator experience?

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Originally Posted by elbert View Post
Hmm, this was the description, but since you have one I would obviously take your word over theirs



I guess we'll find out!
Bummer.. where's that description? Koyo's website makes no mention of it, nor is it on Amazon - would probably be good to get that vendor to update their description

http://koyoradracing.com/products/ra...s.asp?make=BMW
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Old Tue, Sep-05-2017, 05:42:14 PM   #49
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Default Re: Koyo radiator experience?

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Originally Posted by Drewster View Post
Bummer.. where's that description? Koyo's website makes no mention of it, nor is it on Amazon - would probably be good to get that vendor to update their description

http://koyoradracing.com/products/ra...s.asp?make=BMW
It was on the vendor's website (Tunersports). Oh well.
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Old Tue, Sep-05-2017, 06:00:58 PM   #50
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Default Re: Koyo radiator experience?

Sooooo
Basically CSF or Toyo I should be good.
Anyone have an opinion on 100k service for the oil cooler. Clean or replace? If replace who do you like for a drop in unit besides OE
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Discussing Koyo radiator experience? in the E46 M3 (2001-2006) Forum - Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006. at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)