Filter Filters BMW 6 Series Remove All Filters Price $50-$100 (1) $100-$500 (1) Condition New (2) Brand Harmony Audio (1) Kicker (1) BMW 6 Series 2005-2008 Factory Speaker Replacement Harmony (2) R4 Package New $65.99 BMW 6 Series 2005-2008 Factory Speaker Replacement Kicker (2) DSC4 Package New $119.98