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      06-03-2011, 08:42 PM   #14
spiike32
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Drives: Monaco Blue E92 335i
Join Date: Apr 2009
Location: shy-town

Posts: 1,059
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I exclusively use castrol edge with syntec (used to be called castrol syntec)... royal purple branded itself as a high performance oil and did a good job as it sounds kinda cool "royal purple"...it's not necessarily better oil.
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Retired: FBO 335i and 318ti Current: C7 Stingray
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