Was looking at them but most people that have installed them have done it on NON Harmon Kardon equipped cars.
I would most likely do it if it supported the Harmon Kardon system.
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Garage: 2018 991.2 GT3|2013 135i|2004 M3|2004 X3|1987 325is|1987 325i|1974 2002tii
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