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Home >> BMW >> 2017 >> i3 Range Extender >> Repair and Diagnosis >> General Information >> OEM General Information >> Functional Description -- I3_I01 >> Instrument cluster >> System functions >> Redundant data storage
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Redundant data storage

The kilometer reading, CBS data and the system time are redundantly stored in the Body Domain Controller (BDC).

If the stored vehicle identification number in the instrument cluster and in the Body Domain Controller do not match:

The instrument cluster is displaying the red manipulation dot.