Quote:
Originally Posted by Roncallo
I'v been having the same problem. I just went to MB dealer and they gave me W9DC0 plugs in lieu of the W9DC's that my manual calls for they were about $4.50 each. I dont know what the 0 is at the end but all I was able to find otherwize was WR9DC's, which I know are resistor plugs.
John Roncallo
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That's and O and not a 0 (zero) and indicates a larger diameter center electrode.
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Kent Christensen
Albuquerque
'07 GL320CDI, '10 CL550. '01 Porsche Boxster
Two BMW motorcycles
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