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Old 04-05-2009, 06:31 PM   #203
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Join Date: Mar 2009
Location: Weehawken NJ
Posts: 22
My Ride: Looking for BMW
I see a lot of brands discssed here, mostly the quality products worthy of the vehicle it is being used in.

However no mention of Royal Purpal. Does anyone have any comments on this product and how it compairs with the Mobil 1 0-W40? Is the Supersinth similar to the Synterlec additive package?
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