Ventilationsskruv
Onluchtingsschroef
Odvzduÿÿovací ÿroub
Tornillo ventilación
Vis de ventilation
Vite disaerazione
The chosen spare parts is No.
16 in the picture (494255).
Part number: 34 10 8 310 957
This product is not intended for installation by an end user. The installation is to be carried out exclusively by persons with appropriate specialist training or a motor vehicle specialist.