If I were you, I would wait for K&W V3 to release. Do it right the first time or don't do it all.
Lowering your car on springs will shorten the OEM strut's life and void the strut's warranty. The price of replacement OEM struts would cost more than K&W V3. Just wait for the good stuff, don't half ass it.
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Daily: G12 750 MSPORT Weekend Car: E90 M3
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