B8 is the correct answer. And this is the B12 kit fully-assebmeld with all new strut mounts, shortened bumpstops, spring pads, etc... do it once, do it right!
Quote:
Originally Posted by dojk
I emailed Bilstein, they replied recommending the B8 to match the Msport springs that come factory fitted with my 135i.
Having a shortened strut length could be a good thing. If it is too long at full extension, it could be to long that the spring could fall out. Of course I do not know how long the wishbones can extend till the springs do drop out.
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