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Old 07-06-2010, 01:15 PM   #21
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I will draw the part up in detailed CAD-style soon. I can't continue making them, so I'll provide the info necessary to have a machine shop do it. The aluminum stock is straight from McMaster. I'll get installed pics up at the same time.
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Old 07-06-2010, 01:50 PM   #22
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Mizu has been sent these photos but can't make the change for awhile. So, Mishimoto says that they will have their fixed non-M Radiator out in about 4 weeks so I have been put on the waiting list for the next fixed radiator.

Let's hope.

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Old 07-06-2010, 02:55 PM   #23
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Awesome! Do let us know what happens. If their radiator is any good, there's the solution! ECSTuning says they are working on a non-M aluminum radiator with a vendor. They are probably referring to Mishimoto and this new radiator.
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Old 07-06-2010, 06:17 PM   #24
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Sorry PIE330, buy a damn SPAL fan and call it a day. I did.
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Old 07-06-2010, 06:45 PM   #25
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need an aftermarket fan as well....unless someone figures out how to remount the OEM plastick housing.
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Sorry PIE330, buy a damn SPAL fan and call it a day. I did.
Unless I am mistaken, Adam is probably referring to the OEM fan shroud. SPAL fans are nice upgrades but what's preventing me from upgrading mine (track-duty E46), is the incompatibility of the OEM shroud with a SPAL fan. By installing the shroud, the puller fan is actually 'sucking' a larger area of the radiator. May seem somewhat trivial to most pple but when you start comparing the static pressure differences/coolant entry+exit temps, you'd be surprised what the shroud can contribute.
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Old 07-06-2010, 07:17 PM   #26
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Unless I am mistaken, Adam is probably referring to the OEM fan shroud. SPAL fans are nice upgrades but what's preventing me from upgrading mine (track-duty E46), is the incompatibility of the OEM shroud with a SPAL fan. By installing the shroud, the puller fan is actually 'sucking' a larger area of the radiator. May seem somewhat trivial to most pple but when you start comparing the static pressure differences/coolant entry+exit temps, you'd be surprised what the shroud can contribute.
Make your own shroud.
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Old 07-31-2010, 05:56 AM   #27
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It's almost been 4 weeks. Any updates?
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Old 07-31-2010, 09:40 AM   #28
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I used a generic electric fan on my car in the factory mechanical fan shroud. Used flashing and pop rivets to tie it together, then great stuff foam to seal it completely and make it more solid. Works like a charm, just need to install my controller so the fan isn't always on.
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Old 08-01-2010, 08:24 PM   #29
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I will draw the part up in detailed CAD-style soon. I can't continue making them, so I'll provide the info necessary to have a machine shop do it. The aluminum stock is straight from McMaster. I'll get installed pics up at the same time.
any word on the CAD drawing?
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Old 08-01-2010, 08:27 PM   #30
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If you've ever tried to mount an e46 m3 radiator to an m54 car, this would be very understandable.
It very nearly fits. But it doesn't. I tried this a few months back. To make it work, the e46 m3 expansion tank must be used, furthermore, the electric fan fan does not like it very much and the radiator's deeper profile makes the fit very difficult, in practical terms, it's not feasible.
where did you place the M3 expansion? where do other ppl reloacate and how?
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Old 08-01-2010, 10:32 PM   #31
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any word on the CAD drawing?
There have been delays, but it will come.
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Old 08-01-2010, 11:58 PM   #32
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where did you place the M3 expansion? where do other ppl reloacate and how?
i would recommend putting it up against the frontside of the passenger strut tower as that is stock. If there's a secondary air pump in the way, it should be removed. However, I do not know how you'd cleanly mount the stock electric fan. There's also the issue of hose fittings.
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Old 08-02-2010, 11:28 AM   #33
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this is going on a Z4. the NON-M versions share the same radiator and i was curious to placement of the expansion tank. i have an OBX radiator and the inlets require slip-on hoses with clamps, they will not allow the expansion tank to mate to the hose correctly.... been lookin at the e36 ppl and they have used custom expansion tanks..
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Old 10-31-2010, 04:06 PM   #34
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Any pics installed?
Long overdue: installed pics as requested. Not sure why you really need them, but here they are:




The tab at the top-center of the fan shroud would not hold onto the thicker flange of the OBX radiator, so it snapped off when tightening down the screws on the shroud's top two corners.

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Old 10-31-2010, 06:36 PM   #35
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I've come to a new conclusion: keep the stock radiator.
So if your radiator blows up, buy another one.
I thought, for a long time that my radiator was a weak point in my setup, that it would somehow fail me or induce overheating due to a lack of cooling capacity. My previous assertion was wrong. Even if it's prone to blow up, observing a lot of issues on e46nonMs, the radiator is one of the most solid parts of the plastic cooling system of the e46nonM. I've gone through 3 water bottles. One due to my own error, another due to a mechanic's error. None out of fault of their own. I've replaced the plastic cap once, the old one had a piece of plastic chip off the bottom. And I've replaced one of the radiator hoses, the oring expanded and popped out. I've gone through three thermostats: the first got stuck closed, the second I chipped accidentally. Yet, the one part that has not let me down is the radiator. It's almost 10 years old, 120k miles worth of abuse. It has never been replaced.
On cars that I have seen with cooling system problems, either the radiator survived the trauma or failed due to trauma caused by the failure of another part. Like: fan stops working, engine overheats, radiator explodes. I currently cool my turbo with coolant, still my temps, in 'c as read by the test function #7, is around 89-98' while being beat in the florida heat! This is very on target.
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Old 10-31-2010, 11:27 PM   #36
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Only other one I can think of on the top of my head is the PWR
Zionsville makes quality items.. I have one of their M3 models. Superb quality.

http://www.zionsvilleautosport.com/s...code/E46AR.htm
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Old 11-01-2010, 02:05 AM   #37
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Originally Posted by bluejeansonfire View Post
I've come to a new conclusion: keep the stock radiator.
So if your radiator blows up, buy another one.
I thought, for a long time that my radiator was a weak point in my setup, that it would somehow fail me or induce overheating due to a lack of cooling capacity. My previous assertion was wrong. Even if it's prone to blow up, observing a lot of issues on e46nonMs, the radiator is one of the most solid parts of the plastic cooling system of the e46nonM. I've gone through 3 water bottles. One due to my own error, another due to a mechanic's error. None out of fault of their own. I've replaced the plastic cap once, the old one had a piece of plastic chip off the bottom. And I've replaced one of the radiator hoses, the oring expanded and popped out. I've gone through three thermostats: the first got stuck closed, the second I chipped accidentally.
On cars that I have seen with cooling system problems, either the radiator survived the trauma or failed due to trauma caused by the failure of another part. I currently cool my turbo with coolant, still my temps, in 'c as read by the test function #7, is around 89-98' while being beat in the florida heat! This is very on target.
I think I have to agree. The more my "spend money" side wants to waste $1500 on a Zionsville Radiator...my "common sense" side kicks me in the ass and reminds me that my OEM radiator is still working well with almost 100k miles and 7 years of service. I've got the Stewart EMP pump, changed my expansion tank and thermostat at 60k, and flushed my coolant every year with a 50/50 mix of BMW coolant and distilled water.

Lastly, it has seen temps from 115 degrees to -20 degrees, snow, rain, monsoons, tropical storms, and ample track trime.

So my common sense side wins...I'll stick with the OEM radiator.
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Old 01-01-2011, 08:51 AM   #38
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New Mizu Non-M3 Radiator

Hey guys not that I disagree with the last comments about the OEM radiators lasting a while (mine has 81k) BUT like all things with BMWs it's about preventive maintenance. I'm sure most of us have replaced the water pump/thermostat/hoses long before they had the opportunity to fail thus eliminating the possibility of expensive engine repairs. So I'm sure we all heard about OEM radiators having issues as they near the 100k mark. BTW I've just noticed that Mizu is now showing a non-M3 aluminum radiator on their website (http://mymizu.com/bmwe46alrama.html) has anyone already installed it in their vehicle?
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Old 01-03-2011, 08:21 AM   #39
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I have just sent Mizu an inquiry about this particular radiator asking if it is the corrected version and, if so, is it a direct installment re-using the factory shroud, etc. with no modifications required.
I await their response.

Jim
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Old 01-03-2011, 09:45 AM   #40
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To the guys that own the zionsville radiator on non-M. how do you like it? Is there a noticeable difference in temps?
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