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Old 12-11-2021, 05:12 PM
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Len Len is offline
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Hi,

I know this is a late reply but in case anyone comes across this thread I had a similar issue. I lost audio on both left channels with my Android unit and returned it. Then had same issue with the stock radio. Turned out my amp was partly submerged in water due to blocked sunroof drains. I cleared the drains months ago and dried out the right side where my sub was in water but stupidly forgot to check the left side which has the telematics unit and amp. Iíve been having battery drain issues and radio issues so this makes perfect sense now. The TCU has a connection to IBUS which was probably draining the battery.
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Len
'04 X5 3.0i -- XTRONS 10.25 in HU, OEM tow hitch retrofit
'95 525iT- WIP
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