I have sourced pair of OE Xenon headlights. From what I've read there seems to be two options to retrofit them.
1) "The lazy way": change the headlights and put 10 pin --> 14 pin adapter.
-The adapter: https://www.aliexpress.com/item/4000346677861.html
-Follow the wiring diagram found in the listing page and install the harness and the lights?
-Then program BCM with VCDS following this page: https://www.uk-polos.net/viewtopic.php?t=66324 ?
-The question is how the lights will work? When the LED DRL are on, will the stock halogen DRL in the fog lights be on as well? Will the cornerning lights in the Xenon light work in combination with the cornering light in the fog light? Can I still use the manual headlight range control next to the steering wheel? Can I reverse the changes easily if I need to change back to original for inspection?
2) The proper way: change the headlights and retrofit auto leveling system.
-Is my BCM ready for auto leveling?
-Another issue seems to be the car has start and stop, and all the looms for retrofitting auto leveling that I can find (for example https://kufatec.com/en/cable-set-auto-l ... o-6r/38394) declare that the car can't have start stop system installed.
-Is there 10-->14pin loom available for retrofitting Xenon headlights as well as auto leveling, with wiring guide?
Any help will be gratefully accepted. This is a topic that tons of information is available, but it becomes very confusing with all the different version and stuff

