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Home >> BMW >> 2017 >> M2 Standard Trans >> Repair and Diagnosis (Single Page) >> General Information >> OEM General Information >> Functional Description - F22/F23/F87 (2 Of 2) >> Body Electrical System - Functional Description >> junction box electronics >> System functions >> Bi-stable relay

Bi-stable relay

The bi-stable relay is used to shut down terminal 30g-f if there is a closed-circuit current fault. The relay is only fitted for certain optional extras (e.g. CIC, TCU, ULF). If a bistable relay is fitted, an intelligent battery sensor is also fitted