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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 Tue, Apr-21-2015, 09:30:05 PM   #1
Dano98m3
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Default upper radiator hose

I did a complete cooling system last year and never liked how close the upper radiator hose is to the fan. It's never hit it yet but it leaves a shiny mark, maybe from the air being so close. I've got 2 to 3 mm clearance. the air cleaner pushes it towards the fan and the water pump gives me not much adjustment. What dose everyone else have and how close is it, to close and how to fix it. Here's some pic's
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Old Tue, Apr-21-2015, 09:39:02 PM   #2
NolliM3
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Default Re: upper radiator hose

Maybe, it might be time to delete the fan or at least, check and possibly change engine mount.
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Old Tue, Apr-21-2015, 09:56:28 PM   #3
Dano98m3
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Default Re: upper radiator hose

Quote:
Originally Posted by NolliM3 View Post
Maybe, it might be time to delete the fan or at least, check and possibly change engine mount.
Really I never thought of that. I was thinking my air cleaner needed re adjustment or trimming to hose on side or the other. I plan on taking her one a 6oo mile road trip soon. see my other post and pic coming soon
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Old Wed, Apr-22-2015, 01:51:30 AM   #4
K.Dickie
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Default Re: upper radiator hose

I'm not certain, but I think there is something wrong with the hose or the installation. I have a little over an inch of clearance between the hose & the fan blade. I hope these pictures help. Let me know if you need any other angles.

PS. Any chance you have the hose backwards?
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Old Wed, Apr-22-2015, 02:09:29 AM   #5
Jrrrrrrr
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Default Re: upper radiator hose

You probably have the wrong hose or a badly offset mechanical fan clutch and/or fan blade. My upper radiator hose also has around 1" of clearance from the fan blade as well.
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Old Wed, Apr-22-2015, 02:13:04 AM   #6
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Default Re: upper radiator hose

I've actually noticed that some hoses from differing manufacturers, all bearing the same part application for our cars vary dramatically in their diameter in the middle section. Anyway, it seem like something more than that is out of whack here. How old are the engine mounts? They are often times responsible for an exploding clutch fan.
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Old Wed, Apr-22-2015, 02:21:04 AM   #7
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Default Re: upper radiator hose

That hose looks too straight to be the correct upper hose. Mine goes straight out from the tstat housing then takes a sharper turn than this one
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Old Wed, Apr-22-2015, 04:44:33 AM   #8
Warehouse33
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Default Re: upper radiator hose

It looks like the hose is wrong.

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Old Wed, Apr-22-2015, 08:16:17 AM   #9
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Default Re: upper radiator hose

it might be time to delete the fan or at least
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Old Wed, Apr-22-2015, 09:20:44 PM   #10
Dano98m3
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Default Re: upper radiator hose

I bought this kit from Bimmerzone
This BMW E36 Radiator Basic Cooling Package includes:

1x BMW BEHR (OEM) Radiator

1x Lower Radiator Hose
1x Upper Radiator hose
1x Radiator to Expansion Tank hose
1x Thermostat Housing - Aluminum
1x Housing Gasket
1x Thermostat WAHLER 88 Deg
1x Expansion Tank (excludes coolant level sensor)
1x Radiator Expansion Tank Cap
1x Water Pump GRAF (Metal Impeller)

No mention of what kind of hoses were enclosed. Im going to start with getting a OEM hose. Thanks for getting me the correct part number, I need to get some other stuff also. I'll also check the motor mounts
I got china hose
Thanks for the help
Dano
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Discussing upper radiator hose 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)