Originally Posted by OldMan335dOwner
I am using OEM non-sports springs (base model 335d). You are correct. I just looked it up on the Bilstein site. Too many things to remember. When you referred to "sports springs", are you saying that I can get some BMW sports springs that will not lower the car?
Coming from non-sport springs, I believe that the OEM sport springs will lower your car, but the drop is probably marginal. It isn't anything like true lowering springs. The sport springs are firmer than the non-sport springs so ride wise, there will be an improvement.