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#1
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#2
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^^bump^^
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#3
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I run a standard drop in K&N, nothing really too beneficial from it IMO. Stick with stock, unless you're changing out the whole intake.
__________________
An unwavering defender of those I see worth protecting. "promote the general welfare, not provide the general welfare" We the People of the United States, in Order to form a more perfect Union, establish Justice, insure domestic Tranquility, provide for the common defence, promote the general Welfare, and secure the Blessings of Liberty to ourselves and our Posterity, do ordain and establish this Constitution for the United States of America. |
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#4
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I would stick with the original or a K&N replacement element. When I had a e39 540i. I fitted a GruppM Carbon Fiber Induction system which is rated as one of the best, if not the best with a K&N filter which is standard with the GruppM.
To be honest, it only made the car sound a tab better and as for performance, well it didnt do anything that I noticed. I think the likes of an induction system needs to be pared up with the likes of, performance exhaust with no cats, possibly an ecu remap or some other engine mod.
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#5
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I have the Dinan stage 1 engine software upgrade and the atuo transmission upgrade. On the Dinan site, it said that the K&N filter will add +4 hp adn +5 ft lb of torque. However, while searching around, I came across the AFE stage 1 cold air intake, which is a very simple install, it says it adds +25 hp. Is this worth the $225 price tag or should i just stay with K&N??
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#6
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I wouldn't trust a single one of the advertised hp/tq gains, seeing as I have yet to see a post on this site in regards to a dyno proven X5. I would stick with OEM or a K&N drop in.
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An unwavering defender of those I see worth protecting. "promote the general welfare, not provide the general welfare" We the People of the United States, in Order to form a more perfect Union, establish Justice, insure domestic Tranquility, provide for the common defence, promote the general Welfare, and secure the Blessings of Liberty to ourselves and our Posterity, do ordain and establish this Constitution for the United States of America. |
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#7
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[quote=WagnerX5]I wouldn't trust a single one of the advertised hp/tq gains, seeing as I have yet to see a post on this site in regards to a dyno proven X5. I would stick with OEM or a K&N drop in.[/quot
The hp gains on advertisements are just that , advertisements. go with a KN replacement filter and keep you stock airbox . You'll save money in the long run .. |
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#8
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i have the afi cai and i didnt notice any real performance gains but the x5 sounds much better.
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#9
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My GruppM system was over £500!! It was supposed to add big HP as well but as I said I never noticed a thing!! On many tuning site etc it is said that induction systems really only compliment vehicles with engine tuning. Just speaking from experience, I spent over £500 for a system that done nothing other than sound a tad better and look better, if you opened your bonnet. I wont be changing the system on my 4.6is as I learned a lesson.
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#10
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get K&N drop in, keep your stock filter for when you clean the K&N and you need to drive while it air dries
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