Tech Tip: BMW Fuel Gauge Reads Empty After Refueling

Tech Tip: BMW Fuel Gauge Reads Empty After Refueling

If a customer complains that after refueling the fuel gauge stays on empty, or the operation of the fuel gauge is erratic, it's caused by the formation of a non-conducting deposit on the conductor surface of the fuel level sensor.

If a customer complains that after refueling the fuel gauge stays on empty, or the operation of the fuel gauge is erratic, it’s caused by the formation of a non-conducting deposit on the conductor surface of the fuel level sensor.

This condition affects Z3 Roadster/Coupe, M Roadster/Coupe (E36/7) produced before Dec. 15, 2000. For Z3 from Sept. 1998, and M Roadster/Coupe, FC 2 (fuel sensor voltage plausibility) will be set in the instrument cluster.

On a customer-complaint basis only, remove and replace the fuel level sensor with a “gold system” sensor (P/N 16 14 6 756 323). Refer to repair instructions 16 12 000.

Courtesy of ALLDATA.

For additional information, visit www.alldata.com.

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