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code 8f

  1. E39 M5 and E52 Z8 Discussion
    There's a lot of videos and threads on replacing the Peake Research code 8F or E-Box Fan but there are none on Rebuilding one. The Fan has two moving parts, a fan blade and a 12v high speed motor. A dirty blower, bad motherboard and a bad motor are the reasoning behind failure. If you're Lucky...