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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Wheels and Tires Forum Sponsored by The Tire Rack > Springs or Coilovers???



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      06-03-2005, 12:46 AM   #1
E90Newbie
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Springs or Coilovers???

Hi all, here's a little quiz/poll:
Thanks for the help.

1) Which provide better handling?
2) Which provide a smoother ride?
3) Why in the world do coilovers cost ~6 times as much as springs?
4) Which brand is best?
5) Which would/will you get? Why?
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      06-03-2005, 02:50 AM   #2
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I think a lot of people like coil-overs because you have the ability to change the ride height of your car. So, your daily driver E90 can become a track beast on the weekend. The only problem I have with that is you are affecting your alignment (camber) everytime you make changes to your ride height. As soon as as you affect your camber you will burn through a set Z rated tires in no time. I personally would skip coil-overs and go for a slightly lowered progressive spring setup.
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      06-03-2005, 06:01 AM   #3
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Quote:
Originally Posted by E90Newbie
Hi all, here's a little quiz/poll:
Thanks for the help.

1) Which provide better handling?
2) Which provide a smoother ride?
3) Why in the world do coilovers cost ~6 times as much as springs?
4) Which brand is best?
5) Which would/will you get? Why?
The right comparison is to compare a separate shock+spring combination against coilovers cause that's basically what coilovers are, a finely matched shock and spring set. Based on what I just said:

1) coilover

2) shock+spring (usually, but if they're not matched properly, it may give you a crappier ride than coilovers - i.e. bouncy, etc...)

3) coilovers are 6x more expensive than springs because it's more than just springs, like I said it's a matched shock+set set. If you priced out aftermarket shocks + springs separately, you'll see that the price difference is reduced.

4) but some of the better brands out there are H&R, Bilstein, KW (among others).

5) subjective and up to your needs. If you plan on doing some track/autocross, want the height and/or shock setting adjustability, and can take the harsher ride coilovers generally provide, then coilovers might be for you. Otherwise, a good set of separately sold shocks+springs may be enough.
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