I guess the only way to find out is to take a peek and report back. There are direct replacement boards available on amazon (if the still have them) so the whole jury rigged repair can be skipped.

https://www.amazon.com/dp/B07ZNFHQCF...v_ov_lig_dp_it

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2021 X5 xDrive40i
2015 X5 xDrive35i MSport
(Traded) 2013 X5 xDrive35i