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#11
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X5 4.6 2002 Black Sap, Black interior. 2013 X5M Melbourne Red, Bamboo interior Dallas Last edited by bcredliner; 08-20-2019 at 03:23 PM. |
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#12
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Quote:
Yes, bigger tires will induce more inertia, but that's not as bad as those who run heavy 20 in ruins. |
#13
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I don't know what inconsequential is to you. To me anything that reduces 0-60 time, negatively impacts handling and ride is not inconsequential.
As long as the total height of the rim and tire is greater, low ratio gears or otherwise, acceleration time from 0-60 is always reduced. An exception could be if there was one less shift before 60. Of course, the degree of impact depends on how much greater total height is increased. You are correct that weight of rims is a factor. There might be taller rims/tires that are lighter weight and don't increase total height than what OP has, but, in comparison to other methods of filling the wheel wells it would be an expensive route to go.
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X5 4.6 2002 Black Sap, Black interior. 2013 X5M Melbourne Red, Bamboo interior Dallas |
#14
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I too am leaning heavily toward the Eibachs. A few times each year they come down closer to $300. We put H&R in the E53, but seems like 40-50% of the E70 guys think they're too springy. All the Eibach feedback seemed positive. Anyway...lining up deletes this month, so maybe springs in the spring...
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Chris ~~~~~~~~~ '10 X5 35D - Performance mods & Kassel tune // '04 Mini R53 - lots of mods, rebuilt // '03 Mini R53 - sold '05 X5 3.0i - Recently acquired for wife & daughter '03 X5 3.0i - lots of upgrades, passed to son // '98 540i - other son's '94 E36 318ic - son's wrecked // '96 E36 328ic - son's sold |
#15
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On my other cars, the only approach that truly retained 'performance' was a coilover- so you can retain the same suspension travel, just 'move' it lower Added benefit is to be able to adjust spring rate (linear, progressive) and match that to the damper (Shock).
Not a real thing with X5s I guess. Or more likely nobody tracking X5s so you really dont mind the trade offs. Wonder if OP talked w Godspeed. |
#16
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I've spoken with godspeed and the guy who answered was pretty rude. Didn't really seem to be motivated to sell their products or provide any other info. Basically he said buy godspeed springs because we have the cheapest springs. That's it!
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2012 X5d | Deleted & BRR Tuned | DWR TCU Tune | 10.25" Android 8.1 Screen Build Log https://xoutpost.com/bmw-sav-forums/...efinished.html |
#17
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I think sport struts have the electronic component that makes the strut stiffer when activating sport button near the shifter. It's not every noticeable but yet again, I have 12yo struts.
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e70 - purchased 6/2018 e36 - wouldn't pass smog at 190k 2016 e53 - transmission blew at 225k 2012 e30 - sold as it was a little slow for a DD and burning oil at 220k 2011 |
#18
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The key to improving X5 handling is lowering the center of gravity, increasing width of the stance, heavier sway bars and a strut tower brace. The goal being to reduce understeer. Just lowering, regardless of how you get there, will not be a dramatic improvement in handling.
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X5 4.6 2002 Black Sap, Black interior. 2013 X5M Melbourne Red, Bamboo interior Dallas |
#19
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Quote:
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2012 X5d | Deleted & BRR Tuned | DWR TCU Tune | 10.25" Android 8.1 Screen Build Log https://xoutpost.com/bmw-sav-forums/...efinished.html |
#20
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Sway bars I have are Eibach and strut tower brace is Dinan. Eibach no longer offers the sway bars. I am not sure if Dinan still offers strut tower brace. I know some have run across Eibach bars on Ebay.
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X5 4.6 2002 Black Sap, Black interior. 2013 X5M Melbourne Red, Bamboo interior Dallas |
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