Well, I just found the answer to the digit which confirms QSilver from wikipedia lol

The North American implementation of the VIS uses the 10th digit to encode the model year of the vehicle. Besides the three letters that are not allowed in the VIN itself (I, O and Q), the letters U and Z and the digit 0 are not used for the model year code. Outside North America the 10th digit is usually 0. But it still doesn’t give me an answer on model year.

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2005 X5 4.4i M Sport
2003 X5 4.4i