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      02-24-2024, 01:44 AM   #5
appa_808
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Drives: 2018 F82 M4 ZCP
Join Date: Mar 2021
Location: Orange County

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2018 BMW M4  [10.00]
Quote:
Originally Posted by M3SQRD View Post
The lower spring diameter is much smaller diameter than a stock or lowering spring. Also, if you switched to a linear rate spring, it would need to have a higher spring rate than a typical lowering spring linear rate to prevent the car from continuously riding the bump stops. Front suspension travel is limited in the front to begin with and is reduced by a lot with a HAS kit.
Do you know how I can find what is the appropriate linear spring rate so it can match as close to stock zcp even with shorter spring? Will I need helper springs? Do you know how I can calculate this stuff or is it a guessing game?
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