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Discussion Starter · #1 ·
I ordered a set of Denso Iridium IK20 plugs for my 2003 330i, and I am confused. On the Denso page under spark plug specifications, it says that the gap for the IK20s is .044, but if you do find my part it shows that our cars take IK20s with a gap of
 

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i want to know also
 
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