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bdejong11129
09-22-2009, 07:13 PM
These are a sampling of the plugs I pulled out of the car while changing the valve cover gaskets. These were placed in service about 18,000 miles ago.
They appear to have a fair amount of deposits on them, but the insulators show a proper burn patter.

What are your opinions? How do they compare with what you have seen?

http://briandejong.com/BMW/SparkPlugs/_MG_1326.jpg
http://briandejong.com/BMW/SparkPlugs/_MG_1328.jpg
http://briandejong.com/BMW/SparkPlugs/_MG_1330.jpg
87M6 Chris
09-22-2009, 07:49 PM
They look good for 18,000 miles, the middle one looks like it could be running hot but that could be just the colour of the image.
If they were mine I would be happy with them.
LouieD
09-22-2009, 08:50 PM
They seem to be burning ok, although they do have a bit of deposits on them, specially that 2nd pic. No anti-seize on the threads though. I'd put a little bit on to thwart any thread issues down the road.
http://i338.photobucket.com/albums/n424/SoCal_LouieD/plugs19.jpg
tfritz
09-22-2009, 09:15 PM
i would say they look okay