after looking in my garage i found a set of e92 zsp sport springs i have laying around.
these are a bit stiffer than the 135, so i might try these. the rates are closer to bmw performance than stock 135. hopefully not too much spring.
135i
120/350
135i performance
160/420
335i zsp
145/460
i had koni yellows with my coils and hated adjusting the rears, so i like the idea of the fsd. However, i've had probably 10 sets of bilsteins over the years and do like them.
Leaning towards bilsteins....go cheap and touring 330 vs sport at 620.... hmm decisions....
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18 X6M, 22 Tesla MYP, 21 Plaid, 19 Ram
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