I tried to find a way to turn the volume up for navigation but I couldn't.
Right now it's like "whispering" while listening to music.
Does anyone know how to make it louder??!!!

Thanks..

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2008 X5 4.8i Black Sapphire/Black perforated int./Dark Bamboo wood trim, [w/ all factory options except rear DVD system]
+ aerodynamic kit/stainless pedals/illuminated door strip/3M Color-Stable tint/LED license plate light/Thule's 91726 snowboard carrier.
2006 X5 4.4i, Titanium Silver/Black int./Anthricite Maple(traded)