N54 Spark Plug Upgrade - NGK One step colder

In this video I will discuss the details behind going to a one step colder spark plug in your N54 engine. I will also show you the process involved with changing spark plugs. The plug I went with to go one step colder is the NGK - ILZKBR7B8DG. I set the gap to 0.022" because I am running about 12 psi of boost. If you're running E85 or high boost (25+ psi) it is recommended to gap down this plug to 0.018" or go to a one step colder plug possibly.
Torque spec for N54 spark plugs is 18 fl-lbs
NGK 95770 - ILZKBR7B8DG
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[@An0nDEViant]

Ngk is good but Bosch 9620 have a 7yr warranty at Oreilly. Same thread, same reach and double iridium. Also, Napa sells ngk ignition coils if you want matching ngk plugs and coils.

[@aflores464]

I have an 08 335i with just upgraded intercooler and bov with new charge pipe
What would you recommend spark plug I use and gap