2015 BMW 328i A USB port was added to allow the client to plug in his smartphone to use Apple CarPlay. Our technicians added the subwoofer level control in an easy to reach spot. The low profile of the ARC Audio amplifier allows the factory cover to still fit. The added bass takes up almost no useable space in the trunk. The beautiful Musicar enclosure matches the trunk perfectly. The amplifier fit perfectly in the factory amplifier location. The final acoustical measurement was right where we wanted it to be for great sound.
