HORN GOES OFF WHEN DRIVING OVER BUMPS IN THE ROAD

Asked by Sep 08, 2012 at 12:09 PM about the 2004 BMW Z4 2.5i

Question type: Maintenance & Repair

2 Answers

3,335

Loose connection. Check your connection at the actual horn and your steering wheel. It is most likely loose at the horn itself.

2 of 2 people found this helpful.
25

I had same problem in my porsche boxster. It was a washer in the steering wheel where the horn is. The washer was worn out. That's what caused the horn to go off when I braked really hard or go over speed bumps. I hope this info will help you. The dealer told me to replace the steering wheel for 2k. They didn't sell the washer separate.

1 of 1 people found this helpful.

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