Bosch Copper +2's are the way to go. The +4 are too much spark for our cars. They are great plugs if the car can use or needs that much spark. Unless you want to go to a more expensive plug which isn't going to help that much. Bosch Copper +2 are the best OEM (or like OEM don't remember if they actually are OEM) replacement spark plug.
Originally posted by atm2000@Apr 1 2005, 03:07 PM looking to replace my OEM ones.
I've hard bosch's are not worth the price.
are you going with standard, plat, iridium....etc?
I have had bad experiences with Bosch plugs in my Tundra, and my BMW mechanic (who also races) says NGK 3 electrode pugs are the best for the 3-series engines. I found that out after I bought my Denso Iridium plugs, which seem to work well in my 318...
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