warning beeper

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Robert answered 8 years ago

This might be related to your memo button on your OBC (on board computer). When you set a time on the memo it will sound with a beep to remind you what time it is. That could be your problem with the sound.

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John answered 8 years ago

If the temp gets below a certain point outside, there is a warning beep... Not sure if thats it, but it is a possibility.

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Evan answered 8 years ago

I have a 1992 318is and I hear a single loud beep occasionally. It sounds at random times. I know this because I wrote down the time and settings of my dash board every time I heard it. Does it have to do with the check engine or oil maybe?

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Jacob answered 7 years ago

My car beeps once when the outside temp is at or below 37 degrees. It does that to warn the driver of potentially slippery roadways.

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Alan answered 7 years ago

Check the time at the moment of the beep. Generally (by experience on the 92 535i I had) it sounds from 30 to 15 seconds before the next hour. If you have the outside temperature sensor missing it might always display 37F and thus warn you with the beep of the icy road conditions, regardless of the real temperature. You might want to check for that behind your bumper cover. These things come loose most of the time with age.

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Choli answered 2 years ago

my car beeps 3 times in succession, but the onboard computer does not illuminate (as it does for temp below 37 and other functions). wondering if its the after market stereo?

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Guru72Q8 answered about a month ago

Hi i have btw 535i sport while driving every ten mints starting beep beep beep i don't know whats the sound no light no warring did any buddy know .......????