After a tumultuous summer of not having consistent inventories on one of our most popular subwoofer systems, the ib110 is back in stock with more on the way for the holidays. In case you're unaware, the ib110 is one of our stealth subwoofer systems that blends seamlessly into the backseat of any E46 3 Series Convertible, including the M3. Here's a photo, and the link to the system can be found below the photo:
https://www.bavsound.com/products/stage-one-bmw-e46-convertible-standard-hi-fi