When using the OBD-II (On Board Diagnostics version 2, used on all models 1996-on) fault codes to diagnose a “CHECK ENGINE” or “Service Engine Soon” light (technically, the MIL or Multi Information Lamp), the codes may use terms such as; Bank-1 or 2, Sensor-1 or 2, Sensor-A or B, etc. BMW OBD-II fault codes are thus […]
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