Quote:
Originally Posted by KennyPowers
Ive had a lot of suspension setups, and most of them did not meet my expectations or needs in one way or another.
The single worst mistake to make with a suspension system (if you like stock ride comfort and bounce levels) is to install springs without new shocks, or springs with shocks designed for stock HEIGHT springs.
Most people on these forums always talk about matching shock rates with spring rates, which is one consideration.
The problem is, these shocks are designed for OEM height springs. Therefore, when used with aftermarket lowered springs, they are already compressed much more than stock / they are designed for because the springs are shorter. This comprimises the handling and is not ideal whatsoever.
The best option for a comfortable setup that looks and rides great is a system like the eibach pro system kit which includes springs and matched dampers from eibach. These are designed specifically to match rates and height.
The kit costs about 675 bucks, and rides IDENTICAL to stock in terms of ride comfort, but has slightly less bounce in it and also corners a bit flatter. Match this with a good front sway like an M3 sway bar, and you will have a very good setup for a good price.
This kit isnt competition worthy, but will make your car look great, ride great, and handle a little better.
This is the kit my friend had on his 135i, and what I will be putting on my new 135i.
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Do you know if this kit can be used in a 135i convertible? I'm so used to my M3's handling that I'm afraid of driving the convertible hard. Literally it is scary. It floats and pushes like there's no tomorrow. The difference in handling between the two is night and day. I've always thought of some suspension upgrades for my 135i vert but not seriously until I came across this thread. I know it will still be a convertible but if something can be done I would seriously consider it.