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Old 04-27-2009, 12:51 AM
jsears jsears is offline
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Location: Vancouver, WA/PDX
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Mike! How nice of you to say that.

On the Dinan website they organized the 4.4i stuff in some weird ways it is all posted there but I will help you out a bit.

Dinan software
Stage 1
X5 Series*::*X5 4.4i (E53) 2000-2006*::*Engine Tuning*::*Performance Engine Software (04-06)
Stage 2
X5 Series*::*X5 4.4i (E53) 2000-2006*::*Engine Tuning*::*Stage 2 Engine Software (04-06)
Stage 3
X5 Series*::*X5 4.4i (E53) 2000-2006*::*Engine Tuning*::*Stage 3 Engine Software (04-06)

Dinan CAI
X5 Series*::*X5 4.4i (E53) 2000-2006*::*Engine Tuning*::*Cold Air Intake (04-06)

Dinan Throttle Body
X5 Series*::*X5 4.4i (E53) 2000-2006*::*Engine Tuning*::*High Flow Throttle Body (04-06)

Dinan Exhaust
X5 Series*::*X5 4.4i (E53) 2000-2006*::*Engine Tuning*::*Free Flow Exhaust (04-06)

I have had 2 BMWs with Dinan products installed. The first was a 02 530i with a Signature 2 package, and now my X5 4.8is that has everything you can see in my signature.

I can't speak for having each modification individually, so just doing software, or CAI or the TB. If you are going to do one Dinan modification I would suggest doing the software upgrade. It transforms your X5 the most. You get better throttle response, better shift points, 100RPM increase in the rev-limiter and so the top speed governor is removed.

However, Dinan kind of screws you over in one way. If you want to stay with their recommendations you have to plan what performance mods you want to do. The Stage 1 software is typically ran on a stock X5, Stage 2 is typically ran with the CAI and Stage 3 with the CAI and TB. As far as I am aware of Dinan will not upgrade your software for free when you add a new modification.

With Dinan it all depends on if you are willing to spend the extra money. They specialize in BMWs and their R&D and quality of each product is top notch.

If you have any other questions let me know! Good luck with the modding!
__________________
Jeff
Current:
'07 Jeep Wrangler
'06 BMW X5 3.0i

Former:
'12 WRX; '08 WRX; '06 BMW X5 4.8is Dinan S1; '02 BMW 530i Dinan S2
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