Please watch out for a factory defect of the 1.6 I-DTEC 120 HP and 160 HP cylinder head. The manufacturer, despite the knowledge of this defect in 2018, has not done anything since then to call the car for service and check if this defect applies to your car. Only when the user on the website says that the engine is too loud, they will take care of it. Of course, if the car is still under warranty. In the attachment, the beginning of the service bulletin, which lists which cars may be related to this defect.
https://drive.google.com/file/d/1i49ZwXWoLulv85-xO4-68sCM3p3A75K2/view?usp=drivesdk