It sits on eibach sportline, but the front springs are cut 1 ring, and at the rear it has springs from coilovers with adjustment.. It's kinda frankenstein and at the time when it needs replacement.. I have B14 in mind
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And this 2 pictures are when the car was on eibach sportlines, front + back. Comparing it to STD springs, it did lower it quite at the front, not so much at the rear.
For me it was good in the begining, but now i dont like it because the springs are too soft, they are progressive ( softer at start and they harden as you compress them ). On turn in the car gets quite soft and i get the feeling i'm on a boat, if that makes sence to you
They are comfortable in town ( potholes etc ) but when going for a spirited drive they kinda lack the stiffnes. If you don't want to go for coilovers, i would go for H&R springs, as they are known to be the hardest, and i've been in a car that has H&R and cup shocks and it behaves very nice.
Cheers from Croatia