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      06-15-2020, 11:31 AM   #21
belcom
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Drives: '18 540i, '06 Z4si, '07 Z4MC
Join Date: Nov 2014
Location: Toronto

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Quote:
Originally Posted by proboner View Post
Somehow every car I've ever owned has had relatively harsh suspension, including the 3.0, and frankly I think the z4m might even be an improvement. In terms of DD duty, harsh suspension doesn't scare me too much... as long as the GF approves and she LOVES the z4. All she ever needed was convertible and heated seats!
I feel the same about stock BMW suspensions. They ride high and still manage to be harsh and jarring. I've just put the ST X coilovers on my Z4 and these seem to have waaaaaaay better control. These are same as KW V1 and made by KW in Germany. ST X are very reasonable price wise. Somehow these control compression and rebound (non-adjustable but specifically designed for the vehicle) so well that even though it feels firm and planted you don't get the harshness that comes with the stock suspension even with crap RFT tires. And with normal tires it is infinitely better. Properly setup suspension will also keep your tires glued instead of hopping up and down.
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