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: It is typically a circular sensor weighing approximately 0.05 lbs . Why Replacement is Necessary
: Often produced by HELLA (OEM) or directly as a genuine BMW part. M6 Auc 4s0101
: A faulty sensor can trigger "AUC Sensor" error codes when scanned with BMW diagnostic tools like ISTA or INPA. : It is typically a circular sensor weighing approximately 0
If you are searching for the , you are likely looking for the genuine OEM replacement part. While "4s0101" appears in some catalog listings, the primary BMW Part Number is 64119240180 . the sensor has likely failed.
: If you smell diesel or gasoline fumes inside your BMW M6 even when the AC is on, the sensor has likely failed.