I am looking at a 745Li 2005, which has a few similarities to the 2005 X5 4.8is - but I haven’t been able to find a good forum to get advice and info like this one provides for the X. Can anyone point me in the right direction?

Thanks!

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Mike

2005 e53 X5 4.8is 169k miles
2018 f90 M5
2018 Volvo XC60