BMW fault code E150
Flexible Bus Interface
Ring break diagnosis was performed (Error_Ring_Diagnose).
Module version: Flexible Bus Interface (FBI_E65)
In: 7 Series (E65) 2001–2008, 7 Series (E66) 2002–2008, 7 Series (E67) 2002–2008
Reading and clearing it
Fault code E150 is a BMW code, stored in the car's flexible bus interface, not a generic OBD2 code (P0xxx): a generic OBD2 reader only reaches the engine's emissions faults, so it won't show it. AutoLingo for BMW reads it with BMW's own diagnostic protocols, in plain English, with the details the module stored about it, and clears it after a repair. If a fault comes right back after it's cleared, the problem is still there.
The flexible bus interface is on: 7 Series (E65), 7 Series (E66), 7 Series (E67)
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