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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Suspension | Brakes | Chassis > Input Appreciated: KW Street Comfort vs. Club Sport



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      09-23-2009, 01:39 PM   #1
GreenPlease
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Input Appreciated: KW Street Comfort vs. Club Sport

I remember reading somewhere on here that the Steet Comforts are superior in design to any of the KWs and are actually similar to the Club Sports. Is this true? If so what is the primary difference? Suspension is definately my next mod and I'm interested to learn about the differences in design. Thanks!
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      09-23-2009, 05:23 PM   #2
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Really? No one?
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      09-24-2009, 01:35 AM   #3
Gen_E92
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Pretty sure the major difference between Street Comfort and "V serie" is the springs. "V serie" use progressive springs while Street Comfort and Clubsport use linear springs.
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      09-24-2009, 09:14 AM   #4
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^
Ah, thanks Gen. Valving design is different as well? Anyone? Bueller? Bueller?
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      09-24-2009, 09:41 AM   #5
Derek Zoolander
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I don't understand how the Street Comforts supposedly have a higher spring rate but are softer..
From the sticky:

KW v1-v3 (non M3)
Front: 190-256 lb/in (progressive average)
Rear: 545-570 lb/in (progressive average)

KW Street Comfort
Front: 285 lb/in
Rear: 625 lb/in

KW Clubsport (non M3)
Front: 400 lb/in
Rear: 570 lb/in
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      09-24-2009, 04:53 PM   #6
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longer spring travel?
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      09-24-2009, 06:20 PM   #7
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I believe there is a difference in the damper design. That's what I'm trying to get to the bottom of. I'm looking for a robust suspension.
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      09-26-2009, 01:15 AM   #8
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i am running the street comforts..

the spring rate is higher but the compression dampening is software....

don't be fooled though its not a plush ride - its still pretty taught...
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