Car Audio, ICE, Car Alarms, Mobile Phones, I-Drive
its not in a bmw, but i had a new sub and amp for my birthday in november, kicker l5 and a crunch gp1100-2. over the past few weeks it has been playing up, as im driving along the bass gets better and after about 15 mins driving it sounded normal. now there is nothing, there is power getting to...