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Home >> BMW >> 2019 >> X3 M40i >> Repair and Diagnosis >> External Pages >> Different car >> Section 576 (Functional Descriptions - F25 - Charging System, Anti-Theft, Body Electrical Systems) >> Body Electrical System - Functional Description >> Instrument panel >> Brief component description >> Coolant level switch

Coolant level switch

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The coolant level switch sends a signal if the coolant level is too low (Reed contact). The information appears in the TFT display in the form of a Check Control message. The coolant level switch is connected to the junction box electronics (JBE) or on the Body Domain Controller (BDC). The signal is transmitted to the instrument cluster on the K-CAN.

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