02-17-2019, 11:48 AM
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Member
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Join Date: May 2018
Location: NYC
Posts: 930
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Quote:
Originally Posted by StephenVA
NGK Plugs and gap settings for X5's
3.0
Iridium IX Part No. BKR6EIX, Stock No 6418, Plug gap .032”
Ruthenium HX Part No. FR6AHX-S, Stock 94279, Plug Gap .032”
4.4
Iridium IX Part No. BKR6EIX, Stock No 6418, Plug gap .032”
Ruthenium HX Part No. FR6AHX-S, Stock 94279, Plug Gap .032”
4.6is
Iridium IX Part No. BKR6EIX, Stock No 6418, Plug gap .032”
Ruthenium HX Part No. FR6AHX-S, Stock 94279, Plug Gap .032”
4.8is
Iridium IX Part No. IZFR6H11, Stock No 4294, Plug gap .044” (OE PLUG)
Ruthenium HX Part No. FR6AHX-S, Stock 94279, Plug Gap .044”
I added the newest plug the "Ruthenium" that has some added burn enhancements and longevity properties. In the engine world nothing stands still. Technology is always moving forward.
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Iridium IX part# is 6441
Laser Iridium is 4294
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2005 Imola 4.8iS
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