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joethai 10-05-2012 11:51 AM

castrol oil
My last oil change I did myself. I used castrol part synthetic. Not realizing "PART" on oil label. Next oil change is in 7,000 miles. Keeping the castrol brand. Should I go with FULL synthetic? The next round(s). 2005 325i with 135,000 miles. Transmission and engine purrs like new. 3 more car payments left and hope to get another 100,000 miles out of her with no issues. Other than standard wear and tear.

ventsyv 10-05-2012 11:57 AM

It's not a big deal, but if it's not fully synthetic, I would change it sooner - maybe around 3 - 4 thousand miles.

Fast Bob 10-05-2012 02:14 PM


Originally Posted by joethai (Post 7115928)
. Next oil change is in 7,000 miles. .

Most of us have settled on 7500 miles as the most reliable interval for oil & filter changes. The dealer-supplied ("Euro-Castrol") Castrol can sometimes be found at good prices, and Mobil 1 0W-40 is also a good alternative.

joethai 10-05-2012 03:21 PM

cool i'll have to change to full synthetic in lessor milleage thanks.

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