https://www.motornoid.com/171555-%ce%ba%ce%b9%ce%bd%ce%b7%cf%84%ce%b7%cf%81%ce%b1%cf%83-opel-astra-g-opel-vectra-b-1-6-16valve-%ce%ba%cf%89%ce%b4-%ce%ba%ce%b9%ce%bd%ce%b7%cf%84%ce%b7%cf%81%ce%b1-x16xel-%ce%bc%ce%bf%ce%bd/