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  #1  
Old 10-17-2009, 11:16 AM
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NGK Iridium IX's can be had for less and perform better than, if not the same as, the Platinum OEM plugs.

NGK Iridiums Here as well.
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Old 10-17-2009, 03:28 PM
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im jumping on NGK bandwagon as well never had a bad experience with them
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  #3  
Old 10-17-2009, 04:50 PM
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The plus side to Platinum is that they don't erode as fast, satisfying the dealer service intervals. The down side is they don't transmit as hot a spark as copper or iridium. In a non-performance motor, I'd choose copper. In our motors, definitely Iridium.
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Old 10-19-2009, 03:12 PM
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can anyone explain why Bavarian Auto sells the NGK BKR6EQUP for $21.95 each?

Amazon has them for $7.95 each and shows the list price is $10.95

What gives?
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Old 10-19-2009, 03:29 PM
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Quote:
Originally Posted by c4racer View Post
can anyone explain why Bavarian Auto sells the NGK BKR6EQUP for $21.95 each?

Amazon has them for $7.95 each and shows the list price is $10.95

What gives?
Be sure they are the same part number. As you can see from BavAuto's site below, although both Bosch plugs say FGR7DQP (first and third plugs), but the part numbers are different. These are the recommended plugs for my 02 4.4i

As CharlieHustle pointed out above, there are Bosch and NGK plugs that look similar to the BMW recommended plugs, but there are differences and some plugs are recommended for a reason.

I would only use the one with the exact BMW recommended part number.
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Old 10-19-2009, 03:55 PM
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Quote:
Originally Posted by FSETH View Post
Be sure they are the same part number. As you can see from BavAuto's site below, although both Bosch plugs say FGR7DQP (first and third plugs), but the part numbers are different. These are the recommended plugs for my 02 4.4i

As CharlieHustle pointed out above, there are Bosch and NGK plugs that look similar to the BMW recommended plugs, but there are differences and some plugs are recommended for a reason.

I would only use the one with the exact BMW recommended part number.
yes - same exact PN NGK is on Amazon for $7.95 as the one recommended by BMW and sold by Bav Auto for $21.95. Seems strange.

BKR6EQUP

Amazon.com: NGK BKR6EQUP Multi-Ground Spark Plug , Pack of 1: Automotive
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Old 10-19-2009, 04:20 PM
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Quote:
Originally Posted by c4racer View Post
yes - same exact PN NGK is on Amazon for $7.95 as the one recommended by BMW and sold by Bav Auto for $21.95. Seems strange.

BKR6EQUP

Amazon.com: NGK BKR6EQUP Multi-Ground Spark Plug , Pack of 1: Automotive
Those do not appear to be the BMW recommended part number. If you scroll down and look under Product Features, it lists part #3199.

Look at the photo of the BavAuto site I posted above. Although both Bosch plugs say FGR7DGQP, they have different part numbers for the OEM plugs and the Platimum 4 Plus plugs even though they are both labeled FGR7DGQP. Do you see what I mean? I would guess that although NGK makes OEM plugs, they (just like with Bosch) make other cheaper plugs that will fit, but are not OEM. The OEM recommended plugs from both NGK and Bosch are two or three times as much as the cheaper ones from the same brand.

Here are the exact plugs recommended by BMW for your 03 4.6is. Notice both supplemental part number don't match up with what Amazon has as their part #, but the OEM plugs from BavAuto and RealOEM.com do match.
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Last edited by FSETH; 10-19-2009 at 11:20 PM.
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Old 10-19-2009, 03:13 PM
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"Iridium plugs will make your engine more exposions inside but MORE VIBRATIONS inside, that may lead yr engine SHORTer life ............ "

cited from one of the threads. what do you guys think?
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Old 10-19-2009, 03:31 PM
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Quote:
Originally Posted by juppalgae View Post
"Iridium plugs will make your engine more exposions inside but MORE VIBRATIONS inside, that may lead yr engine SHORTer life ............ "

cited from one of the threads. what do you guys think?
I think you should by either the NGK or Bosch plugs above that say BMW recommended. Get that exact part number and don't sweat it.
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Last edited by FSETH; 10-19-2009 at 03:37 PM.
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Old 10-19-2009, 05:05 PM
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Quote:
Originally Posted by juppalgae View Post
"Iridium plugs will make your engine more exposions inside but MORE VIBRATIONS inside, that may lead yr engine SHORTer life ............ "

cited from one of the threads. what do you guys think?
I think that's silly. Iridium conducts better than Platinum, and provided the heat range was right, would be less likely to knock.

But, as FSETH said,

Quote:
Originally Posted by FSETH View Post
I think you should by either the NGK or Bosch plugs above that say BMW recommended. Get that exact part number and don't sweat it.
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