Quote:
Originally Posted by Riggodeaux
I thought the NGK BKR6EQUP was the plug for the M54 engine? That's what I installed around 8k miles ago. Continues to run smoothly, and I am seeing about +1 mpg since doing this and changing the 02 sensors.
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Correct, but during those 2004-2006 years, Iridium plugs didn't enter the market yet.
Now, Iridium is the standard plugs coming out of Honda, Toyota, etc. from factory as OEM equipment.