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Can't you draw a sample 5K mi after a change and (archive)

[ Follow Ups ] [ 3-series (E46) Message Board ] [ Msg. Board FAQ ]

Posted by have that analysed? on September 21, 1999 at 14:12:06:

In Reply to: The problem with this type of methodology is posted by Steve on September 21, 1999 at 12:06:47:

: The problem with this methodology is you may find out the oil isn't capable of "continued use" AFTER the damage is done to the engine.


: : I had my oil analized last week and just got the results back.

: : 1999 E46 328i 28,000 miles on the odometer
: : 11,000 miles since last oil change with BMW synthetic 5W40
: : (approx 50/50 highway/city)

: : The reports states that the oil still falls within the spec'ed viscosity range (5W40)
: : no trace of fuel, water, or antifreeze in oil.

: : and traces of metals (aluminum, iron, copper and about 4 other types of metal) were all virtually non-existant.

: : traces of silica (dirt) are also very minimal. (using K&N air filter) (there was a side note that said air filter is
: : working properly)

: : The conclusion of the report was that the oil is suitable for continued use and engine is in excellent condition.

: : I think BMW engineers know what they're doing, and it'll be safe to go 15k to 18k before changing the oil.

: : When it hits 18k, I'll send the oil in to be analized again and will post the results.

: : Jack




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