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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Suspension | Brakes | Chassis > Car jumps all around when i hit bumps. Shocks bad?



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      05-14-2013, 02:39 PM   #23
thecadman99
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Performance>looks evertime.
Let the car perform the way it was meant- get some springs that give it room to do its job.
I like my Eibachs, but I'm sure I would be happy with sport springs (I'm old though)
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      05-14-2013, 03:39 PM   #24
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Originally Posted by thecadman99 View Post
Performance>looks evertime.
Let the car perform the way it was meant- get some springs that give it room to do its job.
I like my Eibachs, but I'm sure I would be happy with sport springs (I'm old though)
I think sport springs are fine when paired with the performance suspension dampers. They are a little too underdamped (bouncy) from the factory for my taste.
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      05-15-2013, 12:22 PM   #25
The HACK
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what do I do?
Un-slam it.

Think of a car's center of gravity and it's roll center as a "pendulum." When the center of gravity sits above the roll center, it'll "sway" and roll when cornering. Not ideal, but I can live with it. When the center of gravity sits below the roll center, it's like dragging a pair of brass balls on a very loose scrotum. You may look "tuff," but you're exposing your vitals in a fight.

Tuck those balls in closer to your crotch and you'll be fine.
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No way I'd ever take my BMW to the track.
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Then why do you have $3,000 worth of suspension mods on your car?
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