The BMW e60 code 9c54 indicates the gas cap is loose and needs to be tightened. You may also notice that Your check engine light has come on. This is because a loose or missing gas cap will cause it to trigger. Replace it and the light will go out.
Andrei
October 21, 2020
Nah... It is Auc sensor air con.
Anna N
July 30, 2020
The BMW e60 code 9c54 indicates the gas cap is loose and needs to be tightened
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