I just did front m3 Arms and whiteline 27mm bar. But honestly the rear subframe bushings were the biggest change in handling. I had low expectations i thought it was kind of just a thing everyone parrots here, but it absolutely made a difference and really makes your dampers work better. Konis are great dampers I have used them on many cars and always preferred them to bilsteins. Tons of shops will revalve them too.
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