MATCH UP W8BMW-S Ultra Flat Subwoofer Upgrade kit for BMW F83 M4 Convertible Focus Will not fit 08-14 plate

Will not fit 08-14 plate cars

Front units only

5mm stereo jack

For good reason - good quality diaphragms are typically constructed from silicone and reinforced with a nomex cloth

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

MATCH UP W8BMW-S Ultra Flat Subwoofer Upgrade kit for BMW F83 M4 Convertible Focus Will not fit 08-14 plateMATCH 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.