Is it designed to lower the radio/music on the x1? It does on my 5 series.

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2005 325xiT Jet Black / Beige - current daily driver
2010 528xi Saphire Black/Black/Dark Poplar - retired
2008 528xi Saphire Black / Oyster/ 6sp manual - retired
2003 330cic Jet Black / Natural Brown - retired
2001 X-5 3.0 Titanium Siver /Black - retired
BMW CCA Member