Horn goes off when I turn the wheel at all?

M

MonteCarbo

New member
Greetings all,

I woke up to some frustrating issues with my 2003 Z4. I started the car as usual but found that whenever I did anything in the car, the horn would go off. If I moved the steering wheel at all, it would sound until I stopped moving the wheel. If I changed the gear, the horn would go off (I never drove it, just moved it to neutral). Clutch in, same thing. The issue was remarkably sensitive. Even lightly touching the wheel would make the horn go. I didn't do much more testing than this because, frankly, it was annoying and I didn't want to bother my neighbors.

I really hope someone on this forum may be able to help me. The little research I have done suggests that "the SIR COIL wire is shorting out to ground when turning the wheel" and likely needs the steering wheel pulled. The issue described in this research is similar but not nearly as sensitive as what I am experiencing. It may be different.

Thank you in advance for any help/advice you can offer!
 
Haha! This EXACT thing happened to me a couple of years ago. Something metal has probably got in and completing the circuit. Most likely a screw has come out. (Unless you're a twat like me https://z4-forum.com/forum/viewtopic.php?f=3&t=103888&p=1521767&hilit=Horn+needle#p1521767)

Remove the airbag and I think you'll probably see the culprit pretty quickly. Be sure to follow the full process correctly though as airbags can be dangerous
 
And if you need to do a quick journey you can remove the fuse which will disable the horn
 
greg81 said:
Haha! This EXACT thing happened to me a couple of years ago. Something metal has probably got in and completing the circuit. Most likely a screw has come out. (Unless you're a t**t like me viewtopic.php?f=3&t=103888&p=1521767&hi ... e#p1521767)

Remove the airbag and I think you'll probably see the culprit pretty quickly. Be sure to follow the full process correctly though as airbags can be dangerous
Click to expand...

Thank you so much for the quick reply! I'm excited by any promising lead at the moment. The forum you made about the problem helps a lot, especially the video someone linked: https://www.youtube.com/watch?v=1Hit_xLR_T4&feature=youtu.be&ab_channel=crai6m4ck
I will certainly be doing this (carefully). I will update this post with either good or bad news as soon as the work is done. Thank you so much again for the quick response!
 
I'm really sorry but the picture you painted with your description is hilarious! :rofl: I hope the suggestion above allows you to fix it. How maddening!!
 
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