So new report.. I have less oil usage with the 10-40 then before, added abt a quart after 1kish miles.. Alot better then before and puts it within the highest bmw spec ive seen on here (may or may not be true) of qt every 750.

Also my oil consumption would probably be even less if i was doing 100 mile trips everyday but this is just my 2ndary car now and i only use it after work/no rain days/weekend it comes out of the garage.

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2006 X5 4.8is Fully Loaded