HORN GOES OFF WHEN DRIVING OVER BUMPS IN THE ROAD

Asked by EVEZ4 Sep 08, 2012 at 12:09 PM about the 2004 BMW Z4 2.5i Roadster RWD

Question type: Maintenance & Repair

2 Answers
5,915

Michael answered 12 years ago

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

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Robert answered 12 years ago

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.

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