Question about 1995 BMW M3
Hi My M3 's horn has packed up, It only has a single horn the local garage states it should have 2, one high and one low tone.Is it 1 or 2?
Can someone help to pinpoint the exact relay in the fuse box that operates the horn circuit? thanks John
I have to agree with your local garage, to my knowledge, most BMW uses two (2) horns; High Tone - 510Hz and Low Tone - 410Hz. A Hella or Fiamm aftermarkets would also work. As to the location of relay bank, have you tried looking behind/under the glove compartment/box? The relay would be a standard 4/5-terminal type.
Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.
Good luck and kind regards.
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Posted on Jun 29, 2008
You will need some help , but unplug the horn and then depress the horn inside the car and you will be hable to hear a clicking noise, either inside the car or in the engine comparment, have some one locate the noise while you keep depresing the horn on and of to get it ti click on/off
and other thing there is many cars with only one horn make sure to try contacting the dealer and ask for service department and ask for it, you should be hable to do it by phone using yellow pages, or getting the phone number at by calling 411
also when you locate the clicking noise thats the horn relay
i will apreciate the feedback thank you
Posted on Jun 29, 2008
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Posted on Jan 02, 2017
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