Performance parts question!
I need to clarify a few things (definite answers) about the bmw performance parts for the 135i.
1) From what I understand, all 135s come with the M bumpers. I know that there are carbon splitters for the aero bumper. Are there carbon splitters for the M bumper?
2) Again, is it possible to install the rear diffuser to the M bumper, or do you have to install the rear aero bumper first?
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