Hello.
I have a similar problem with resetting the service warning.
The message about service only pops up when the ignition is turned on for the first 2-3 seconds, the key lights up and the odometer shows how many kilometers are left until service (example -7000).
This warning is not reset.
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- Mon Apr 21, 2025 1:53 pm
 - Forum: Melcodiag
 - Topic: Service, annual and desmo reset not working for 2016 M821
 - Replies: 21
 - Views: 11389