It should be possible to pop the adjuster back on the ball. I used a set of long bent hemostats.
Baking is iffy and year dependent as they changed the adhesive. Baking a set of Toyota headlights is easier the the X5. I have done both and the Toys break apart easily.

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