My dealer did it when my drive unit was getting replaced. I assume the rear undertray can be removed for access. They are attached with double-sided tape.
My Porsche charger worked great at 100% for a year - then stopped working at 100% one day last year (overheat/red light). That pissed me off. Tried the other day at 100% and car only hit 63% SOC of the set 80% target when I checked in the next morning. :mad:
I had Burmester in a Panamera Turbo years ago - it is INCREDIBLE. That said, the Bose in Taycan is VERY good and IMO not worth the Burmester upgrade at the current cost. If it was 1/2 the cost I would do it.
50% is vitually clear and the TSR is so low I wouldn't bother - go at least 30-40% range or darker. My sunpass and other devices work fine with film. It's not a rear windshield - just rear glass.