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Spark Plugs for 330i 2001

856 Views 4 Replies 4 Participants Last post by  Dr_John
I have a 2001 330i with 50,000 miles on it...

I am thinking about replacing my spark plugs but don't know which is the best for my car. Any recommendations?

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Stock plugs come in 2 varieties: NGKs and Boschs.

An old post of mine might be of use:

which ones are better? I heard some good stuff about the new BOSCH platinum +4 plugs... but is it worth getting?

Also, for the NGK, which model of plugs are good for performance?
Or if you're adventurous, try some Denso Iradiums.
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