thanks gentlemen, some good feedback.
just inspected the inners, original and looking good. I replaced the outers about 2years ago. Big difference in quality.
dont know if i will get GKN Lobro here in SA. trying to source a Meyle boot.

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2015 F15 X5 3.0D
2008 E70 X5 3.0D
2001 E53 X5 3.0
2001 E46 318i