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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 Fri, Nov-12-2010, 11:02:20 PM   #1
Sliquepimp
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Default Fan delete mod roll-call & W. pump question

who all has done the fan delete mod? this -> http://www.understeer.com/fanclutchmod.shtml
If so, what has your experience been? like it, dislike it? please give reasons. Also, everything I read about the "time bomb" water pump deals with 92-96 M3, did they stop using the plastic empeller on 97-99? if so, are the later ones less failure prone? thanks.
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Old Sat, Nov-13-2010, 12:39:24 AM   #2
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The fan in my '98 broke a blade just before I was about to take a trip. I removed the fan, and made the trip fine. I drove it for two weeks, and kept thinking if my wife borrowed the car the only time she'd realize it had overheated was when it came to a grinding halt. My sons, on the other hand, wouldn't even know the car had stopped - music too loud!

Unless the electric fan fails, I don't think you'd ever overheat. But.....

Also, the temperature gauge is not in a great place, and you almost have to make an effort to look at it.
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Old Sat, Nov-13-2010, 12:48:54 AM   #3
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Originally Posted by Sliquepimp View Post
who all has done the fan delete mod? this -> http://www.understeer.com/fanclutchmod.shtml
If so, what has your experience been? like it, dislike it? please give reasons. Also, everything I read about the "time bomb" water pump deals with 92-96 M3, did they stop using the plastic empeller on 97-99? if so, are the later ones less failure prone? thanks.
Mine has been done for about 2 yrs and I have had no problems what so ever. Make sure you install the 80C thermo, 80/88C fan switch as well as a couple bottles of water wetter and you should be good to go!
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Old Sat, Nov-13-2010, 01:19:56 AM   #4
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Mine has been done for about 2 yrs and I have had no problems what so ever. Make sure you install the 80C thermo, 80/88C fan switch as well as a couple bottles of water wetter and you should be good to go!
awesome, thanks for the heads up. I think I'm gonna order the kit from understeer.com. It's 110 shipped for all of that inc. WW and the correct thermo.
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Old Sat, Nov-13-2010, 12:59:05 AM   #5
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I did the fan delete last summer. No issues with 3 track days and 1 autocross.

I have a Spal Puller Fan Mod that I have not installed yet. I'm not sure I need it.

Fan delete
Water pump
Thermostat
Aluminum Thermostat Housing
Fan temp switch
Expansion tank
New idler pulleys and serpentine belts
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Old Sat, Nov-13-2010, 01:21:03 AM   #6
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I have a Spal Puller Fan Mod that I have not installed yet. I'm not sure I need it.

what exactly is that?? thanks.
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Old Sat, Nov-13-2010, 02:24:22 AM   #7
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what exactly is that?? thanks.
If im not wrong, its a spal fan that is installed behind the radiator that is supposed to pull more air to cool down the radiator.
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Old Sat, Nov-13-2010, 02:28:07 AM   #8
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^ yep
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Old Sat, Nov-13-2010, 04:00:15 AM   #9
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to be perfectly fair, the stock aux fan already moves way more air than most fans (curved blades tend to be better and also quieter)....as long as you have a fully operations aux fan, you're fine.
If I had to it all over, I'd keep only one electrical fan. It's either the stock aux or a spal puller.....and I'd choose a brand new aux fan....but it s nice to have the fail-safe of a second fan should the 1st one fail


on track, when you're at speed, the movement of the car already does all the cooling. Any fan is only needed when below 30mph and standing still
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Old Sat, Nov-13-2010, 04:00:53 AM   #10
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see my thread
http://www.m3forum.net/m3forum/showthread.php?t=329781
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Discussing Fan delete mod roll-call & W. pump question 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)