No, they have the software for your 4.4i
X5 Series*::*X5 4.4i (E53) 2000-2006*::*Engine Tuning*::*Performance Engine Software (04-06)
X5 Series*::*X5 4.4i (E53) 2000-2006*::*Engine Tuning*::*Stage 2 Engine Software (04-06)
X5 Series*::*X5 4.4i (E53) 2000-2006*::*Engine Tuning*::*Stage 3 Engine Software (04-06)
You kind of have to do some "mod planning" to know which software you want to have. If you are only going to do software do Stage 1. If you are adding a Dinan CAI Stage 2, if you do the Dinan CAI and Throttle Body I would suggest Stage 3.
Or give Dinan a call, their customer service is great and always answer all of my questions!
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Originally Posted by chile1
I've looked at Dinan, however, it's all for 2000-2003, nothing for the face-lifted E53's.........
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