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      10-19-2013, 11:55 PM   #4
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dparm's Avatar

Drives: Corvette Grand Sport
Join Date: Jun 2013
Location: Chicago, IL

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Originally Posted by LarThaL View Post
Just anything out there superior to stock for the S65?
Just stick with the stock plugs (Amazon has them for $11.43 -- or wait for a coupon at your local auto parts store). Plugs undergo an extensive amount of testing to find the proper one, so don't try and second-guess BMW on something like this. Unless the car is wildly tuned, the factory plug is sufficient, though the change interval is debatable -- no harm in changing them early, but it is probably wasted money to swap them every year.

If there were a Denso Iridium that fit, I would recommend that as you can get an ultra-sharp 0.4mm tip -- sharpest made.
Now: 2017 Corvette Grand Sport
Past: 2011.5 M3 sedan ZCP