Slight misfire

[Wyard14]

When my cars sat at idle its not ticking over right think its misfiring, i changed my spark plugs to super 4 bosch ones like a week ago but it started yesterday and ideas thanks

 

[Benjiman46]

Post a video and let's take a look/listen!

 

[KevF182]

When my cars sat at idle its not ticking over right think its misfiring, i changed my spark plugs to super 4 bosch ones like a week ago but it started yesterday and ideas thanks

Any reason for doing that?