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Old 02-22-2019, 04:18 PM
Mouse Mouse is offline
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Join Date: May 2018
Location: Houston TX
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Not sure it works that way. Switching the horn on an e39 keeps the same alarm sound but changes the "chirp", without any type of coding/reprogramming. That would mean to me that the horn is pre-programmed to make a distinct sound. Just an assumption tho.
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