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Suspension & Braking Forum by BimmerWorld
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Old 10-11-2012, 02:04 PM   #1
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Different b/w preload and non preload coilover

I have always heard ppl say preload . But what is it.
I installed new bc kit. The car is very bumpy . The rear fly up the air when go tho bumps .
Will preload make a smoother ride?
Or should I lower the rear damping clicks?
I have 8k front and rear and 20click for both.
should I get softer on the back?

missed the ci, welcome the i
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Old 10-11-2012, 03:43 PM   #2
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you need to adjust the dampening, no dampening acts like a blown shock

Last edited by vilseck21; 10-11-2012 at 03:43 PM.
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Old 10-11-2012, 06:49 PM   #3
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They're BC's. I'm not surprised.

Preload is the amount of spring compression without the car's weight on the damper. You can't adjust preload in the rear due to the car's design, but you can in the front on those coilovers. It is best to leave the preload at 0, meaning the springs are just barely snug between the perches, for a street car.
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