Recent content by potate311

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    UOA vs. Actual Bearing wear

    I won't be checking back on this, but I'm sure it will get some responses from those I'm referencing... I came across this thread while doing some other internet digging, and I just had to say this: Does anyone else find it amusing that it's the Mopar guys who are just certain that there MUST...
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    BMW Castrol "TWS" 10w60

    Originally Posted By: CATERHAM AutoXing with the oil level at the minimum level could easily have resulted in moments of oil starvation (sucking air in part) without the oil idiot light being triggered. I've experienced this a lot. An oil light is useful pretty much only on idle when the oil...
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    BMW Castrol "TWS" 10w60

    That just leaves the high lead content... I hate having to wait 8k miles or so to have another report. I guess I can take the airbox off and get a pressure gauge on the filter housing, so that will give me some additional info until I can get another UOA. Even then, I don't know what to think if...
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    BMW Castrol "TWS" 10w60

    Originally Posted By: OVERKILL Definitely continue to use TWS, this engine didn't magically change oil recommendations like they did for the M5, LOL With respect to your noise, do you have access to a mechanic's stethoscope that you could use to definitively locate the source of the noise...
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    BMW Castrol "TWS" 10w60

    Now I am seeing info from owners of brand new M3s with less than 30k miles with all numbers across the board much higher than mine... Granted, that's an entirely different engine, but maybe I am being too paranoid about this.
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    BMW Castrol "TWS" 10w60

    Originally Posted By: Doog Lead = bearings. You can try one thing to be sure. Stop using the octane booster and run 1-2 tanks of gas without it. Then drain your oil and fill the engine with 15w40 HDEO and drive it 5-10 miles to rinse out any lead from the octane booster. Then do a new 10w60 oil...
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    BMW Castrol "TWS" 10w60

    Originally Posted By: Trav As bearing clearances increase oil pressure decreases. Worn bearing will usually show up at cold start with longer times to build oil pressure. There are specs to compare your reading to, if the pressure is at the lower end of the spec you know there is a potential...
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    BMW Castrol "TWS" 10w60

    Originally Posted By: A_Harman Are you sure that the octane booster that you used two oil samples ago contained Lead? It doesn't seem likely that it would have such a strong and lingering effect on the Lead reading. No, I'm not absolutely certain, but that was the opinion of the analysis...
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    BMW Castrol "TWS" 10w60

    EDIT: oops... this should probably be under UOA - Gasoline... I thought that's where I was. Hi, guys. I joined here after some puzzling oil analysis info that nobody seemed to be able to answer completely for me. Sooner or later, everyone referred me to this site, so here I am. I have a 2001...
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