Ok,
Thank you Guys. I’m right on the money .. Just seemed like I was reving too high to get on highway
. As for another question, would a newer 6 speed bolt up? Would it be a lot of programming to make it work? Is it THAT much better, or just more rowing of the gears.

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2003 4.6is X5
2003 525it
2003 E53 X5 Standard shift