2008 - 2010 are all N54s. So if the injectors, HPFP, and some other parts have been updated to the latest hardware, I would pick the car with the lowest miles. But the big difference between 08 vs 09 and up is the updated iDrive. Not sure if you care about that, but it is something to think about.
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BSM 135i - CDV Delete | Bilstein | Eibach | M3 FSB | Whiteline
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