Filter Filters BMW M6 Remove All Filters Price $50-$100 (1) $100-$500 (1) Condition New (2) Brand Harmony Audio (1) Kicker (1) BMW M6 1977-1989 Factory Speaker Replacement Kicker DSC4 DSC65 Coax Package New $139.98 BMW M6 1977-1989 Factory Speaker Replacement Harmony R4 R65 Coax Package New $77.99