Can I use these plugs on my 300E or will they do some sort of damage to the engine because their not the German brand, Bosch?? Yes I know that Bosch is OEM and the best to use, but this is what they had at Autozone at the time so I bought 6 of em. Their currently gapped at .32 (factory specs) Should I open them up alittle more if I can indeed put these plugs in??

__________________
Agron
1989 300E ("E 300"-Badged)
Monotoned Astral Silver w/ rear lid deck panel
97 Style Replica E420 Rims 205/55/16
Euro Headlights
Clear Corners
94/95 Taillights
Black Grille Insert
Chrome Exhaust Tips
20% Tint
Pioneer Sound system w/ Sub-enclosure and CD-changer