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E36 (1991 - 1999)
The E36 chassis 3-Series BMW was a huge hit among driving enthusiasts from the first moment the car hit the pavement. The E36 won numerous awards over the years it was produced and is still a favorite of many BMW enthusiasts to this day! -- View the E36 Wiki

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  #1  
Old 04-25-2019, 08:17 PM
318tiallday 318tiallday is offline
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Radiator fan not working

I have an 97 318ti (e36) and today the fan stopped kicking on and the car is over heating. Someone told me it could be the fuse and the diagram on the fuse box says #48 under the steering wheel but I cant seem to find it.

:I have another thread but I think I posted it in the wrong section:
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  #2  
Old 04-25-2019, 09:50 PM
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hornhospital hornhospital is offline
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Download this:

https://redirect.viglink.com/?format...orums&txt=This

Don't worry, it's safe. That should help a lot.

You have either a blow fuse (maybe 48, maybe not} or the fan relay has failed.

Edit: does you 318ti have a mechanical fan (belt driven)?
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Last edited by hornhospital; 04-25-2019 at 10:00 PM.
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Old 04-26-2019, 02:32 AM
318tiallday 318tiallday is offline
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Electric.
The link isnt working.

Last edited by 318tiallday; 04-26-2019 at 02:35 AM.
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Old 04-26-2019, 11:33 AM
318tiallday 318tiallday is offline
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It says image broken.
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Old 04-26-2019, 11:41 AM
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hornhospital hornhospital is offline
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Well, phooey. That's too bad that the link no longer works. It was a .pdf version of the Bentley E36 manual.
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Quotes to live by:
guessing gets expensive...drivinfaster
nothing is more expensive than a cheap BMW...c4harpe13
buying a ratty example (of a BMW) is a parasitic relationship.(and you ain't the mosquito) 7pilot
Ken Kanne, Silverhill, AL, Bimmerfest Site Moderator
BMW-CCA #441426

1993 325is M3 clone"Ashlyn"; 1993 325is "Elvira"; 1985 635CSi "Katja"; 1984 633CSi "Sylvia"; 1987 325is "Odette";1995 318is"Bebe "; 1985 325e "Hazel Ann"

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Old 04-26-2019, 02:14 PM
318tiallday 318tiallday is offline
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Update: figured out it wasn't the fan itself. I just took some spare wire and hooked it to the battery. So I suppose the next step is the relay, fuse, or wiring I suppose. I finally found the fuse but any idea where the relay would be?

Edit: yea I've been trying to find a downloadable version. Thanks tho

Last edited by 318tiallday; 04-26-2019 at 02:20 PM.
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Old 04-26-2019, 06:56 PM
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Engel12626 Engel12626 is offline
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Old 04-26-2019, 07:00 PM
spyderg0d spyderg0d is offline
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The coolant temp sensor/fan switch in the radiator clicks on low or high, sends signal to the dme, the dme turns on the accessory fan relay and turns the fan on. If your fan works, jumped at the socket, and the relay clicks when tested, its theradiator coolant temp sensor/fan switch or the wireing from the switch to the dme which does indeed end up broke on alot of cars.
The only time the car needa the accessory fan is when the car is sitting still or very low speeds. If your car is overheating while moveing and the fan isnt coming on, chances are you have air in the cooling system and needs to be bleed. Its entirely possible the engine temp senaor is getting hot coolant stuck, while the radiator is holding the cold coolant, which is essentially a air bubble trapt system.
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