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Analysis done at Titan Labs (part of Mobil Oil co) (archive)

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

Posted by Jack on September 21, 1999 at 21:28:00:

In Reply to: Oil Analysis results posted by Jack on September 21, 1999 at 08:06:52:

the final recommendations from them are the following:

"The weight of your oil is within limits. No contamination by water, fuel or antifreeze. With chromium and Aluminum in acceptable ranges it indicates the air filter is working properly and no abnormal conditions in rings or pistons. Copper and lead in acceptable ranges indicates no abnormal conditions in bearings. Continue to follow manufacturers recommended maintenance schedule and resample at next oil change"


: 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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