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      05-20-2019, 10:41 PM   #2
HP Autosport
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Drives: F80 M3
Join Date: Mar 2007
Location: Santa Barbara, AP, Brembo, GIAC, Koni, Ohlins, Performance Friction, www.hpautosport.com

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Quote:
Originally Posted by mcgarnigle View Post
I am ready to order, but I don't know the spring diameter. The suspension is on order but I don't have it yet, so I can't measure.

The GC site allows for a selection of Stock, 2.25", 2.5", or 60mm.

I tried a search but didn't find the answer

Thanks all!
You will want the stock spring profile since both KW and M Performance use stock like profile springs so stock strut mounts can be used.
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