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Replacement Spark plugs
I'm trying to replace Spark plugs on my 2009 BMW135I (60K miles). I came cross these different types & brands. Please post your reviews on the list below. I'm looking for a good balance between Performance & durability
brands: Bosch, Continental, Pulstar, E3, NGK
Type:
Platinum
Dual Platinum
Iridium
plasmacore( Pulstar)
Diamond tip ( E3)
Thanks a lot
Siddy.
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2009-BMW135i-Manual, M package.
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