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Old 03-10-2013, 04:51 PM   #2
Barnsdale
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Join Date: Dec 2011
Location: Toronto
Posts: 237
I noticed a decrease in MPG when I started using it on my old E46 - it's recommended from my indy and seems to work so I keep using it with every oil change. For the price and what it does, I believe it's worth it to use. Just my .02
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