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Old 06-26-2008, 11:38 PM
lkchris lkchris is offline
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Join Date: Jun 1999
Location: Albuquerque, NM USA
Posts: 1,947
Take a pair of pliers and screw the tips off the NGKs.

Of course, the plugs you should use are those recommended by Mercedes. There are no "improvements" out there.
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Kent Christensen
Albuquerque
'07 GL320CDI, '10 CL550. '01 Porsche Boxster
Two BMW motorcycles
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