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      02-05-2021, 08:22 PM   #12
lowrydr310
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Drives: 2006 330i, 2007 E93 335i
Join Date: Apr 2013
Location: Souhtrne Califniora

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Quote:
Originally Posted by fnckr View Post
So, I went with the B6s, and kept my ZSP springs. Car rides as well as before. This means I still feel the appropriate stiffness from the sports package with the upgraded shocks. Bilstein are known to ride a bit stiffer over mild bumps and undulations. Hard bumps are absorbed very well. Overall it is stiffer than stock ZSP, but not jarring. No perceptible ride height change.
By ZSP are you referring to the Sport suspention option? I thought the B6 wasn't available for that. All the retailers show the B4 is available for standard or sport suspension, B6 for standard suspension, and B8 for sport suspension. B8 is identical to the B6 internally but just a shorter length for the lower sport springs.
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