Focal ISUB-BMW2 OEM Replacement Subwoofer for BMW. ISUB BMW 2 is a subwoofer that delivers powerful bass thanks to its neodymium engine, a high performing Focal technology. With ISUB BMW 4, the sound is neutral and the install is quick thanks to the spacer integrated in the chassis that allows perfect integration into the original location. With its 2 Ohms impedance, it is ideal with your orignal amplifier. No wire to cut, no modification. 100% compatible with your vehicle. Sound quality superior compared to the original one. We offer a collection service on some of our items. Please call our retail shop before collecting an item. WE DO NOT REPLY TO ANY DIRECT EMAILS. Whatever you are looking for, we have a great range of vehicle products for your car, van or motorhome. We are confident that you will find everything you need and more at Motor Solutions. Our state of the art premises are conveniently located in Birmingham, which means our customers can reach us easily from all over the UK and we are also able to provide a comprehensive nationwide fitting service. Our hassle-free mobile fitting service means that you can enjoy the quality and service we provide without having to leave your own home. In addition to the great range of vehicle products we supply and fit, we are also able to offer a fully comprehensive engine remapping and tuning service for most makes and models of vehicle from cars to motorhomes. This service enables our customers to use their vehicles safely to their maximum potential. When your vehicle is running at its best you will be reducing your fuel bill as well as your carbon footprint. Thanks For visiting Motor Solutions.