Dinan has the 135i tune up on their website now. I would imagine it isn't much different than the E92 version. (i.e. the same)
http://www.dinancars.com/store/Engin...p-1-c-783.html
I've already made an inquiry to a local dinan installer. I will probably be doing it very soon.
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e90 M3, Space Gray / Extended Black, ZCP, ZCV, ZP2, DCT
sold: 2008 BS 135i 6MT