MATCH UP W8BMW-S Ultra Flat Subwoofer Upgrade kit for BMW F83 M4 Convertible Focus Front units only

Front units only

doesn't cost the earth and can be put back to standard within 10 minutes (warranty)

Kit includes:-Fascia-Double din fitting cage-ISO harness with steering control interface-Patch lead for SWC interface-AM/FM antenna adapterKit comes with double din matt black fascia and a 103mm fitting cage

With our stage one upgrade you get replacement woofers

6 VTS petrol engines

MATCH UP W8BMW-S Ultra Flat Subwoofer Upgrade kit for BMW F83 M4 Convertible Focus Front units onlyMATCH UP W8BMW S Ultra Flat Subwoofer Upgrade kit for BMW's Maximum POWER for BMW sound concepts The ultra flat UP W8BMW S subwoofers are playing extremely dynamically and punchy. Especially the exceptionally rigid fiberglass cone generates maximum sound pressure without distortions. The BMW specific baskets and connectors allow fast and easy installation into the original mounting positions of all BMW model ranges with under seat subwoofers.