Guys, help please...when i am turning my steering wheel it acts weird, it is at first normal and when doing full lock on some parts it gets hard to turn the wheel, ATF fluid is full, and steering rack does not leak...but maybe ball joints? Mecahnic told me they are rekt and should be replaced asap which i will do next week (mechanic doesn't work weekends and busy up to wednesday) Word is about 3.0i X5 e53 5MT

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2001 BMW X5 3.0i 5 speed manual - bone stock