Question about 2001 BMW 325

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Car horn My car horn does not work on my 1987 325.

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  • ferod Oct 03, 2008

    Don't you dare cut me off, because I cant honk at you. My 1987 325i horn doesn't work, I've checked fuses #6 and #7 and relay #K2, all good. I'd test the horn to see if it's getting power, but I can't find it. Maybe they put it in the truck with the battery. Wait and I'll check. Nope not there. For now all I can do is yell out the wondow, and I have a very limited vocabulary when I yell, so please someone help!

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Maybe the wiring is bad, or where the horn plate is on the steering wheel sometimes there is a small spring that provides a little resistence when you push on it and to make contact to honk the horn. ON most cars you can take out that middle area on the steering wheel and see. If not make sure that your fuses are in working order. If thats not the case your best bet is to always have a pro look at it. Not nessesarily a dealer cause they always charge a months pay for anything most non dealership mechanics will off the top of their heads know exactly what the problem is and more than likely look at your car and see real quick what is really causing the problem. I would be able to provide a better answer but I cant get in and look at your car(s) horn. But check those few things and if still just take it to a mechanic. O and by the way trust me when I say yelling out the window will only lead to probably lead to further damage on your car.

Posted on Oct 06, 2008

  • chevy2102001 Oct 08, 2008

    Forgot to mention because I noticed it on my truck today when I was working on it. Check real quick to see that nothing became unclipped or loose from anything electronically from the horn or horn wiring.

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SOLUTION: Air Bag inside steering wheel has to be reset to fix the horn issue or it wont pass inspection. I went without a horn for 4 months now and it is time. The dealer wanted 1000.00. My mechanic is charging 450.00 a fortune to reset these Bags !

Posted on May 11, 2011

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Okay, I had 4 days off for the winter celebration of Christ's birth, and I decided to figure this horn thing out. I pryed the center horn button off, and tested it with an ohm meter, and it worked fine. The ground behind the horn button was good, but no power to the hot lead. I got out the impact gun with the 22mm socket, and then marked the position of the steering wheel before pulling it off. Well now, there's the problem, the plastic housing that holds the carbon brush had broken, and the brush was just dangling there. BMW makes a replacement brush housing, but I got the JB Weld out and put it back together and then wrapped the repair with a couple of zip ties. Beep, Beep! The carbon brush contaccts a slip ring that is riveted to the backside of the steering wheel. I put on a dab of dilectric grease just because I like the stuff, and reassembled the pile of parts, and my wife thinks I'm a god! That was one of the easiest fixes I've come across (knock on wood!) Next is the odometer problem.

Posted on Dec 29, 2008

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