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Old 06-25-2007, 08:30 AM
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KrisL KrisL is offline
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Mein Auto: 330i ZHP
Originally Posted by jvr826 View Post
Did you think about trying something different, like Iridium plugs?
For 20hp, 50% higher gas mileage, etc?

I feel the same way about spark plugs as I do oil: As long as you're using OEM-quality/grade equipment, it doesn't make a big difference what you use.

People who say that iridium plugs made things way better simply had plugs that needed to be replaced - they are comparing fouled plugs to new plugs.
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