Quote:
Originally Posted by tropicatango
Why not going with swift springs for the f82 m4, they fit on f87 m2
With the bilstein b6, i think it's the best spring/ shock combo
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OP is in the UK so cost and swift availability may be a factor.
I'd argue that KW linear rate (race) springs are just as good if not better than swift if going the linear spring route. Can select your spring length/rate and cheaper cost in EU/UK versus swift. With that said I used swift on my F80 and they were good.