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Old 08-30-2012, 12:30 PM
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4.8is sparkplugs
I got new plugs for the X5 but I noticed that when I pulled the first plug, the OEMs are a single ground plug. I got NGK BKR6EQUP which is a 4 ground plug... will these work?
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Old 08-30-2012, 12:32 PM
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Really??? Hmmm... I haven't pulled from my 4.8is yet, but my 4.4 had the 4 prong. One prong suggest you setting the gap, but in the service manual, it states not to gap the plugs. Is the old P/N and new P/N the same?
Where did you order it from?
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Old 08-30-2012, 12:37 PM
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I just ordered the new ones from Amazon after looking around the forums...

Yea the OEM ones are single ground, double platinum plug that will require gapping.
I had my GF verify that this is the OEM plug at the dealership...she even sent me a picture
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Old 08-30-2012, 12:46 PM
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I just checked NGK site... looks like I F'd up...

NGK.com - Vehicle Fitting Results

OEM are either/or
BOSCH Part # FR7KPP332
NGK - IZFR6H11

http://www.ngk.com/results_fitment.asp?pid=IZFR6H11
Last edited by sockethead; 08-30-2012 at 12:53 PM.
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Old 08-30-2012, 12:56 PM
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oi, lol. Well you can return them, right?
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Old 08-30-2012, 12:59 PM
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Quote:
Originally Posted by TwinTurboGTR View Post
oi, lol. Well you can return them, right?
Yea, probably...
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Old 08-30-2012, 01:58 PM
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Yup, you effed up. My NGKs came with a single ground. OE is also single.
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Old 08-30-2012, 03:08 PM
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Just went to my GF's dealer and picked up the correct plugs. only 80 cents more than Amazon's price and no shipping of course...

Anybody need plugs for a 4.4/4.6? lol
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Old 08-30-2012, 11:42 PM
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changed my plugs last week, torqued to 18ft/lbs, gapped to 44

oem single prong came out

iridium single prong NGK went in

results = smoother, better low end response/power, mpg+
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Old 08-31-2012, 09:16 AM
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Quote:
Originally Posted by Gurjit View Post
changed my plugs last week, torqued to 18ft/lbs, gapped to 44

oem single prong came out

iridium single prong NGK went in

results = smoother, better low end response/power, mpg+
Yea, The X runs MUCH better now... noticable improvement everywhere.

The old plug color was perfect but the gap was huge... even though the plugs were double platinum, there was still a lot of erosion on the ground and electrode
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