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E36 M3 (1992-1999) {Euro - S50 B32 321hp @ 7400 rpm} {U.S. - S52 B32 240 hp @ 6000 rpm}
Total Produced: 71,212 - Years Produced: 1992 to 1999


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Old Thu, Sep-28-2017, 11:02:01 PM   #21
aeronaut
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Default Re: How high is too high with water temp on the track?

Just FYI, I had a Mishimoto rad, and a Motion Motorsports underpanel. The MM baffling would not fit properly with that combo. I never made any custom baffling. I saw about 225-230deg at an event a few months ago...OEM gauge got up to about 3/4.

So I replaced my 5 y/o mishi rad with the Z3 rad, installed the MM baffle, and all is good. The following weekend under exactly same track conditions, water temp always well under 220.
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Old Fri, Sep-29-2017, 12:59:23 AM   #22
nholmes
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Default Re: How high is too high with water temp on the track?

I have the MM undertray, Z3M radiator, hood vents and all the other stuff the OP posted.

I coded out the dead zone for the temp gauge in my cluster module to get a more accurate reading when pushing the car.

Factory dead zone is 176*-216*F

I haven't had an issue yet. I will say that I think the best of all the mods was the three core radiator. That extra pass through is totally worth it IMO. Cheap too! I think the Behr OEM radiators are like $400-$500?
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Old Fri, Sep-29-2017, 01:12:21 AM   #23
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Default Re: How high is too high with water temp on the track?

BEHR OEM S54 Z3M Radiator is like $160ish and OE with the BMW stamp is around $330ish.
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Old Fri, Sep-29-2017, 06:38:54 AM   #24
nholmes
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Default Re: How high is too high with water temp on the track?

EDIT: I went back and looked at my receipts. Looks like I paid $150.
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Last edited by nholmes; Fri, Sep-29-2017 at 03:36:31 PM.
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Old Sat, Sep-30-2017, 12:09:20 AM   #25
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Default Re: How high is too high with water temp on the track?

Quote:
Originally Posted by jayjaya29 View Post
Just had an overheat situation with my 95 m3. Currently doing the head gasket.

I do have a Mishimoto radiator...only had issues when pushing it hard on the track.

Overheat happens at end of video at 10:40 in
Lime Rock Park, NASA NE, HPDE 4, 8-26-17 - YouTube

Small world Jayjaya we were there at limerock when this happened, my friends estoril is the one that blew the radiator the same day. Did your head gasket actually fail?

Quote:
Originally Posted by aeronaut View Post
Just FYI, I had a Mishimoto rad, and a Motion Motorsports underpanel. The MM baffling would not fit properly with that combo. I never made any custom baffling. I saw about 225-230deg at an event a few months ago...OEM gauge got up to about 3/4.

So I replaced my 5 y/o mishi rad with the Z3 rad, installed the MM baffle, and all is good. The following weekend under exactly same track conditions, water temp always well under 220.
Quote:
Originally Posted by nholmes View Post
I have the MM undertray, Z3M radiator, hood vents and all the other stuff the OP posted.

I coded out the dead zone for the temp gauge in my cluster module to get a more accurate reading when pushing the car.

Factory dead zone is 176*-216*F

I haven't had an issue yet. I will say that I think the best of all the mods was the three core radiator. That extra pass through is totally worth it IMO. Cheap too! I think the Behr OEM radiators are like $400-$500?

Looks like 2 more for the S54 Rad, best bang for the buck it seems. Although I still am considering Zionsville.
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Old Sat, Sep-30-2017, 03:02:10 AM   #26
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Default Re: How high is too high with water temp on the track?

Quote:
Originally Posted by nholmes View Post
I coded out the dead zone for the temp gauge in my cluster module to get a more accurate reading when pushing the car.
How do you code out the dead zone? If that is easy let's get someone to make a graded gauge face stick on for the cluster.
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Old Sun, Oct-01-2017, 02:44:25 AM   #27
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Default Re: How high is too high with water temp on the track?

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Originally Posted by DasBlitzAuto View Post
Small world Jayjaya we were there at limerock when this happened, my friends estoril is the one that blew the radiator the same day. Did your head gasket actually fail?
Thermostat and waterpump are fine. Expansion tank did not crack like I initially thought.

I pulled the head off and there are no visible issues with the head gasket, just looks old and crusty. I think with as many miles as my car has on it (170K) its just time for the HG to be done.
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Old Sun, Oct-01-2017, 04:02:38 AM   #28
Hallatauer
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Default Re: How high is too high with water temp on the track?

I was running hot like you were/are... added a Zionsville rad kit with a Spal fan plus the oil cooler setup. Made a dramatic difference. My coolant temp stays in the normal operating range, even on a hot 95-100F day at COTA. My oil temps before would hit 270F.. now run 220-230F.

If your running regular track/HPDE's something to consider adding.
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Old Sun, Oct-01-2017, 06:16:22 PM   #29
nholmes
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Default Re: How high is too high with water temp on the track?

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Originally Posted by pbonsalb View Post
How do you code out the dead zone? If that is easy let's get someone to make a graded gauge face stick on for the cluster.
It requires an old laptop with a serial port
a legit 20 pin interface with a serial port connector (http://openlabs.co/store/Tiny-ADS-In...-pin-connector)
Old version of INPA
NCS Expert + NCS Dummy
(Both here: http://www.bimmerforums.com/forum/sh...0#post29024210)
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Discussing How high is too high with water temp on the track? in the E36 M3 (1992-1999) Forum - {Euro - S50 B32 321hp @ 7400 rpm} {U.S. - S52 B32 240 hp @ 6000 rpm}
Total Produced: 71,212 - Years Produced: 1992 to 1999 at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)