Hi Paul,
I would be interested in some details of this solution.
Unfortunately the bike carrier preparation wasn’t selected on my pre-owned 4S CT. I’m confident of being able to fit the housing brackets by removing the rear bumper. I’m less confident of being able to connect the wiring harness...
You can find the OEM part numbers for every model on this site:
https://7zap.com/en/catalog/cars/Porsche/Porsche%20Taycan%20%282020%20-%20...%29/Porsche%20Taycan%20%282023%29/ZjJENS9pM2o1dzQyeC9kek51bG1odz09--/10118-%3E10233/6514%7C---Wiper+and+washer+system+for+rear+window/
Two respected...