I was thinking the same. when I took the door apart I could tell someone had had it apart before that's all I know, even though I have 90% of the receipts. No locking issues before the handle stopped working one day and it was broken in the weak spot on the shaft pivot.

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2004 X5 3.0 Auto 140k
2005 325xi Auto 108k
1988 325ix 5spd 279k