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      08-27-2019, 02:40 AM   #5
Iain123
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United Kingdom
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Drives: I8
Join Date: Jun 2018
Location: Edinburgh, UK

iTrader: (0)

Easiest way is to replace the rear sub although it’s hard to find a speaker to fit. I also fitted a cigarette lighter plug powered amp with good results.

https://bmwi.bimmerpost.com/forums/s....php?t=1304784
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