How to Install a subwoofer amplifier in a BMW 5 series (E39)

In this video series you will learn how to install a subwoofer amplifier in the trunk of a 97-03 BMW 5 series/M5 (E39). This first video starts by removing the stock wiring and getting to the factory ground and LOC, then you'll start the connections and wiring for the ground for the new amp, then you'll mount the new amp and set up the connections at the amp, the next video covers the final amp connections, then mounting the enclosure, and finally tuning the amp.