amw111
Did you ever figure out this issue? I have the EXACT same problem on exact same car- 2018 X5 40e.
I've replaced Tank Ventilation Valve. Code keeps coming back
Quote:
Originally Posted by amw111
Very helpful thanks. The return valve had been replaced and next would be the non return valve. Based on what you wrote before it sounds like that makes sense.
I guess I will go ahead with that.
Right now the check engine light has disappeared again so I will wait until it comes back on.
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