It's not the done thing to fix anything now days. It's even hard and expensive to source some parts. I was quoted $20 more for a magnetron to repair a microwave than it cost to replace it with a more powerful new unit. Same with window AC units and many other things. Bosch should stock parts but if they follow Hella's lead all the part numbers will not match up in any catalog. (I tried to get new clear lenses for the X5 headlights using the Hella part number found on the lens.

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