Fuse #31 keeps blowing out - BMW Forum - BimmerWerkz.com

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post #1 of 3 (permalink) Old 04-11-2011, 10:43 PM Thread Starter
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Fuse #31 keeps blowing out

I have an issue with my #31 fuse, it keeps blowing after I turn off the ignition.

I will try and be detailed as possible.

(Sunday April 10, 2011 - 8:00pm)
My wife complained that the car was over-heating. So I went to add some water to the radiator, and turned on the ignition. All I heard was a low hum, with the car not starting..

I came on to Bimmerwerkz forum and did a search.. someone else had the same problem and said that the #31 fuse had blown. http://www.bimmerwerkz.com/forum/3-s...ned-57560.html I went and checked my #31(5amp) fuse and low and behold, it was blown.

I replaced it, and the engine started right up...
I turned it off, and started it back up, and the fuse was blown again..

I noticed that my on board computer was not working. But the clock was..

(Monday, April 11, 2011 - 9:00am)
So I went to my local BMW mechanic, to see if he can help. He disconnected the on board computer unit, and I was able to start, turn off and start again. Yipee!!

Great, I only use the on board computer to check my gas range, and since it was going to cost $700.00 to replace it, I can do without.

I went to work and everything was cool... After work was done, I went to go pick up the wife. I was able to start up the car with no problem.

Once I got to her work place (Monday, April 11, 2011 - 7:00pm)
I shut off the engine and tried to re-start it.. The same thing happened, blown fuse..WTF?

Now I noticed that the air-conditioning head unit was not working.
None of the button was working. I couldn't turn it off or on..
The only thing that was illuminating was the "Auto" button that is located on the lower left side..

So ok, let me disconnect the head unit for the air conditioner, and see if the car will start, turn-off and start again. I was able to disconnect the unit to test, but the #31 fuse keeps blowing.

Can someone please help me with this issue??? Or direct me to what I can do.

I appreciate any help

1996 BMW 328i
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post #2 of 3 (permalink) Old 05-14-2011, 07:10 PM
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According to the Bentley book, fuse #31 goes to several units as follows for 1996cars-EWSII ,heating and a/c,(IHKR E36),INtrument cluster,Multi funtion clock ON-board computer,on board display good luck
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post #3 of 3 (permalink) Old 05-16-2011, 01:42 PM
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hey check the boot, open it up, and check i think the left hand side, there a black sleeve full of wires, these tend to get touched or frayed and rub together causing fuse to blow out, with constant opening and closing
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