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On occasion While driving I hear 2 or 3 beeps. No warning lights no change in rpm's. Nothing but the beeps. Sometimes happens when moving. Sometimes when stopped at a light

Any ideas ???
 

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I had a similar experience and it turned out to be the external temp sensor. The computer beeps at temps below a certain value (not sure of value). When it happens again, push the temp button on the lower console computer and see what temp the computer thinks it is out. The sensor is in the brake duct passenger front. May not be your issue but it is at least something to check.
 

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D'oh, You Kids!
1984 633CSi, 1985 635CSi, 1985 325e, 1987 325is, 1993 325is, 1995 318is, 1995 M3, 2003 F150
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The low temperature warning is a single ding/beep when the temperature drops from 38° to 37° F. It's supposed to be the threshold where 'black ice' can form.

3 dings is the hourly chime at 5 second before the hour. Press the memo button to cancel the function.
 
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