Dude you dont need a tutorial. It is so easy to change the plugs on the I4 you would'nt believe. The first time I did mine, it took me about 10 mins.
You just need the right tools. You need a spark plug socket and a 6" extension. Remove the 2 ignition cables, then remove the 2 ignition coils to get to the other 2 plugs.
If you can come to brooklyn, I will help you. Let me know how it goes.
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