MATCH UP W8BMW-S Ultra Flat Subwoofer Upgrade kit for BMW E83 1-Series 5dr 07-11 6 Channel Amplifier TPU (Thermoplastic polyurethane) surround and

TPU (Thermoplastic polyurethane) surround and a pressed-paper cone provide the optimum ratio between installation friendliness and sound with dynamic and emotional impact

Also found on many dealer fit alarms

the interface supplied in this kit will not generate an ignition supply on these earlier models

Suggested lowering -70 front and -50 rear

MATCH UP W8BMW-S Ultra Flat Subwoofer Upgrade kit for BMW E83 1-Series 5dr 07-11 6 Channel Amplifier TPU (Thermoplastic polyurethane) surround andMATCH 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.