The B6 is what id go with over the B8 if you are keeping ZSP springs; They make one for the Sport suspension. that would be the only upgraded one I could think of. B4 would be stock.
Curious did your car have sport or non sport suspension factory; Wondering which mount you changed too.
And its funny the perf suspension "upgraded" the rear sway from 13 to 14mm. Why not just make it the oem 15mm rear from the x-drive cars.
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