Quote:
Originally Posted by pdude
I'm about to get my plugs replaced on a 2006 325i, and I'm going with the
NGK ILZFR6D11. Even though it's marked as ENDED in 3/2007 on RealOEM, they lasted 160K km, no reason not to go with the same plug IMHO.
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Same here. Based on NGK, the I LZ (Iridium) give more performance than the P LZ (Platinum)