Hahaha 
thank you @Hank . The support sent me the replacement parts, it will be delivered next week.
Fingers crossed 
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Just a mention:
Before, I used to hate troubleshooting 3D printers like this: I have 2 next to each other and could quickly swap the parts and always knew after 15 -20 minutes at latest which part had to be reordered. But those times are over and history.
Especially if they are still in a closed housing and especially if the whole print head is still permanently installed. So Today, the printer won’t be repaired quickly just because two are next to each other. Things are getting a little more complicated now
YouTube channels that simply talk about the fact that others printer can do more printing materials and are therefore better just show that they don’t print since a long time (are also newbies) or getting a new one every month to test and therefore simply cannot recognize all the problems.
Also the general designs that can now be found everywhere, the base plate leveling through pressure sensors under the printing plate does not have advantages only (the nozzle does not have to be aligned with a sensor on the print head as before but when the troubleshooting comes. There is no longer just one sensor, also sensors with a separate board harder to reach.
Previously, there was only a main board. My X1C, for example, now has 9 boards that cost a total of 340 euros. Any part can break. Than more there are, than longer you will search.
My solution, but different cooks have different recipes:
Now I only use the cheapest Core XY for standard work under time pressure - I have several of them that could wait a long time if something were to happen (Which luckily hasn’t happened yet). The expensive ones were only integrated into the process in such a way that they could stand for 1-2 months. I also like to use an expensive printes because they can do things that you wouldn’t be able to or are simply more pleasant to work with - but I don’t rely on them.
Whatever the case, something always breaks, the only question is when. When choosing a printer that I really need and have to rely on, than is not only about being able to change the nozzle quickly, rather about being able to change the entire print head quickly.
The fact that problems will arise at the print head is as certain as the amen in church, the only question is when…
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Wow, what a story. It’s impressive.
I agree and you are totally right! Thanks @Hank 
It used to be that an office printer was about as reliable as an Ender-3 Pro and home printers didn’t exist.
Surely some folks in this forum are old enough to remember those “Bad Old Days”.
Now, for the vast majority of people, an inkjet or laserjet, regardless of brand is just plug and play.
While Bambu Lab printers have their frustrations, they are light-years better than probably all sub $1k printers in the market today.
Not hard to imagine when my 3d printer is as reliable as my big screen tv, refrigerator or washing machine
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Yes we do 
A bit offtopic:
4 weeks ago a 30 year old wanted to make a joke of me because I wanted to find out a littel about the PS5 from Sony - since I was a real gamer. Speedball on Amiga and stuff like that… My best friend had a Commodore C64 and we spent every free minute behind it. For my first DOS computer with a 24 dot matrix printer, I put up with paid printing advertising which I distributed on my moped over 2 years for a print media advertising company after school… My first DOS computer was “holy” to my since I had to work for it for two years whatever the weather was and sometimes I was really cold. Ice cold and twice the butt was even blue but I wanted that thing really!
However the 30 year old 4 weeks ago said: You with Windows XP and everyone laughed, me too :-).
My answer, Windows XP was then very modern - I hate Dos 5.0 with 24 dot matrix printers but that wasn’t there at beginning. And between that and XP there was still Window 95 and Windows 2.11. I still know what’s going on when you press the power button on the Sony PS5 until get the pictures, they don’t know that anymore. Can press the buttons but they don`t have any idear what they’re doing by pressing a simple buttom 
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Nowadays, people just take it for granted without knowing how it operates. Some even think 3D printer could print fake gemstone that’d look like real one, just like in the movie Ocean’s 8.
I still remember vividly the message “It’s now safe to turn off your computer” 
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So…was this ever solved? Seems like so many people never update.