Refer to the first post which states one of the bolts are longer and cracked the headlight. The bolts on my 535 xdrive are the same length but double check yours.
https://www.bimmerfest.com/threads/headlight-leaking-condensation-and-fix-saga.1444527/?post_id=13774011&nested_view=1&sortby=oldest#post-13774011
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