My mother gave me some advice a long time ago, she said "You never can brush your teeth too often" same can be said for oil changes, spark plug changes, and air filter changes
Quote:
Originally Posted by Thunderguts
I just changed the plugs on my new-to-me n52 with 68k miles and I can tell you that they should have been changed long ago. The electrodes were worn down to mere nubs. There's no way they were making a reliable spark with that much gap. I would say 40k is the limit but I'll probably change them at 30k.
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