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NGK Spark Plugs


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Researching past threads, the consensus on spark plugs seems to be the NGK BP6ES (non-resistor plug). I got on the NGK website and they only list the BPR6ES. I’m assuming the “R” signifies a resistor plug. I checked Amazon and they list the BP6ES, but the photo of the plug shows a big ‘ol “R” on the plug. Again I am assuming the “R” signifies resistor.

Has NGK discontinued the non-resistor plug, or am I just putting my ignorance on display? (or maybe both)

Thanks,

Tony

Tony Garton

 

1972 2002tii

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After my research, I bought these:  BP5ES https://www.rockauto.com/en/moreinfo.php?pk=33366&jsn=1 (CAD$1.87) did I misstep?

 

They also have BP6ES: https://www.rockauto.com/en/moreinfo.php?pk=33345&jsn=445 (CAD$1.89)

 

At the time I found the price hard to beat with shipping to Canada.

 

Edited by MildSeven

picked up what i thought was a sound Verona Red '76

 

The Refresh Blog: http://www.bmw2002faq.com/blog/155-76-verona-red-refresh/

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4 hours ago, MildSeven said:

After my research, I bought these:  BP5ES https://www.rockauto.com/en/moreinfo.php?pk=33366&jsn=1 (CAD$1.87) did I misstep?

 

They also have BP6ES: https://www.rockauto.com/en/moreinfo.php?pk=33345&jsn=445 (CAD$1.89)

 

At the time I found the price hard to beat with shipping to Canada.

 

 

The NGK BP5ES is a slightly higher heat range than the BP6ES.  I run the BP5ES in my tiis.  Both plugs work fine on an M10 engine.  With NGK, the lower numbered plug has a higher heat range.  With Bosch plugs, it's the opposite (Higher number == higher heat range).

'73tii Inka 🍊

'74tii Fjord 🏄‍♂️

 

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Now now TobyB

We all know that "size doesn't matter" :D

 

Not certain if you've run these iridium plugs. But, i run them on my 335i, no fouling...my 1971 2002's w/32/36 and sync linked, no fouling, and on my 1971 2002 w/38/38, no fouling , and my 1966 tr4 w/the 2.8l 6 cylinder motor, again no fouling..

 

I do agree that spark plugs can foul for a number of reasons . running rich comes mind

 

Just sharing my hands on experience with another plug....i say thumbs up for iridium plugs

 

ira

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I called NGK.  The plug is not discontinued.

 

If you use ngk.com, the plug shows as available and that's the proper website to use.  If you go to ngksparkplugs.com, the BP6ES won't show up in the search.  That's just a website thing, apparently.

 

I also asked why the selector comes up with the resistor version for the 2002.  Tech support says that for 1974, the OE plug was a resistor plug, to mitigate FM interference.

 

All is well with our world, it seems.  The sun will rise in the east as usual and 2002's everywhere will happily continue to explode air/fuel mixtures with the BP6ES.

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