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September 7, 2021 Service bulletin

With the introduction of the Silent Charge function, the control of the charging fan was reconfigured for...

BMW technical service bulletin MC611121 for 2017 BMW C Evolution.

Bulletin number
MC611121
Component
Electrical system: ignition
Summary
With the introduction of the Silent Charge function, the control of the charging fan was reconfigured for its implementation. In rare cases, it is possible for the charging fan to cause voltage spikes and damage the electrical machine electronics (EME) module. If this EME damage occurs, the charging fan will run continuously as soon as the ignition is switched on.

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