On the other hand here it shows no need to loosen the subframe:
https://www.pelicanparts.com/techart...eplacement.htm
I was going to attack mine today but I won't have time it seems. This procedure seems less involved but It looks a bit tight to get them out.

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2010 BMW M6 * Black Saphire Metallic * Full Black Merino Leather
2019 BMW X3 M40i * Alpine White * Mocha Leather