Oh, and the torque value on the plugs is typically 23 to 25 Nm. The dealer sourced plugs will have the torque value on the end of the box.
1957 Austin-Healey 100/6 Wine Red
1961 McCulloch R1 go-kart Screaming Yellow
1999///M Rdstr Cosmos Black
2001///M Rdstr Steel Gray
2011 X5 35i Sport Deep Sea Blue/Cinnamon