I am still investigating powerchips. They claim they can get 300 out of a 01 4.4i. Thats 18 HP more that what it has. Not a huge difference but torque goes to 343...and that may be worth it. Thats not much less than the Dinan S3, its a hell of a lot less money. I just cant see spending over 7k on the S2 kit.

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pepatrick
2002 X5 4.6is
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