BI Xenon Headlights – become delusional

Hello together, I’m new here and I’m about to get around the corner with a problem :-))))) I love my Evoque and so far he’s never let me down, but slowly he starts to bitch here and there a little bit 🙂 (we’ve already got behind us the topic of tail flaps. Now the Bi Xenon starts to bitch with adaptive curve light. Suddenly there was a surging noise when I made it out, the noise then went out after 1-2 min. The noise clearly comes from the left hand side. The light works perfectly. The dealer said that a new headlight has to be in, cost approx. 1200 without installation… swallow. Can it not be that it is only the actuator futsch? And if so, can it be changed? Did someone ever have such a problem? I have already looked around if I find a used BI-Xenon headlight left for my 2012 Evoque. Now I find Bi-Xenon headlights also suitable for the year of construction but the last letter never agrees. ->BJ32-13W030-HC is the number on my old headlight, but I found only the BJ32-13W030-HF Does anyone have any idea what exactly the last letter means? It’s hard to find a left headlight at all. It’s almost only right offers, then I finally find one then does not fit the last letter. To leave the alternative min. 1200 tubes at the dealer I find currently not so attractive. for me a cheaper tip 🙂 Thank you in advance