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Old 08-17-2009, 01:11 PM
lkchris lkchris is offline
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Join Date: Jun 1999
Location: Albuquerque, NM USA
Posts: 1,947
100K is NOT too long for spark plugs and the +4 platinums are probably the worst plugs you could use.

Changing oil more often than recommended is NOT good for your motor, either.
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Kent Christensen
Albuquerque
'07 GL320CDI, '10 CL550. '01 Porsche Boxster
Two BMW motorcycles
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