Hi, I am thinking of replacing the stereo in my TL-S from the ground up. It will be a complete overhaul. I was just wondering how this will affect my warranty. I am guessing that speakers and such will be fine, but what about upgrading the electrical system (alternator, batttery...)? Thanks

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2001 Audi S4
McIntosh, Dynaudio, Velodyne, Nakamichi

1999 BMW 540i Stock