Differences between 2004 Sport suspension and base LS430?
Does anyone know specifically what parts are different/upgraded when the Sport suspension option is installed? I'm just curious if a non-sport 2004 LS430 can be upgraded to a sport suspension using O.E.M. parts or if there are software/chip/whatever differences that would make this change prohibitively expensive?
Will those who can please compare the two suspensions?
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My '04 LS430 has the standard suspension, but I did test drive an LS with Sport Suspension when I was deciding on options. I thought the Sport Suspension was very compliant over bumps and potholes. It was not as severe as BMW's sport suspension. The primary difference I noticed was the Sport Suspension was a little more "active", that is, road imperfections were transmitted more than the standard suspension. Some of that could be due to the 18" wheels, which are standard with the Sport Suspension. I believe the changes in the suspension are thicker roll bars, stiffer shocks (and maybe springs). All of those components can replace the same parts on a standard suspension car without any electronic problems, since nothing electronic is involved. I assume the parts would be pretty expensive.
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At least Springs & shocks all the way around are different, plus the rear sway bar. Front swaybar is the same. Rimbs obviously, I'm not sure if there is a powersteering difference or not. The Euro suspension shocks actualy say KYB on them, heh.