I'm with you Fred, there is no need to change the oil more often that the
maintenance schedule calls for, with the POSSIBLE exception of the very
first change where the goal is to remove any tailings that might be missed
from the flushing during manufacturing. I wouldn't even worry about that
because part of the expense I paid for the car in the first place is the
process that is expected to remove these tailings. I have faith that the
people building this stuff 1.) know what they are doing, 2.) take pride in
doing what they do, 3.) have very rigid standards to build to, and 4.) the
people selling the stuff that I pay extra for will fix it if the people in
1, 2, or 3 fail in their job for whatever reason.
So, the bottom line is, if anybody is more anal than I am, they might want
to change the oil at the half-interval mark on the first oil change, but the
oil and the metals are designed to specifications that allow the oil to be
used at least as long as the oil change interval. Even if one thinks that
15,000 miles is too long, the engineers that come up with these numbers do
it for a reason, and they have to bite the bullet if the numbers are wrong.
In any case, changing oil ar 3,000 miles is way too often, especially in
these days when the mantra of the environmentalists is that we are running
out of oil.
You will find a wide range of opinions. I believe you'll see in your
maintenance manual that oil services are every 15,000 miles or one year,
whichever comes first. Since BMW pays, I personally feel the 15,000 mile may
be a stretch for financial reasons on BMW's part even using a good synthetic
oil but that's my personal choice. And I love sensors except when they don't
work. I do a change every 7,500 miles with BMW doing every other one free.
On a new car, I'd pay the $100 now and have your oil and filter (especially)
changed now but then that's a personal idiosyncrasy of mine regarding engine
Personally, the first oil change from a brand new car would be 3000
mile (5000km). Regardless what the dealer or trip computer might say.
My theory behind this is, every engine, no matter how good the build
quality, the internal mating surfaces will have some imperfections
from brand new. Therefore the first few thousand miles will have them
shaved off, smoothed down on their own. The filing will all gone back
to the oil (hopefully). But doing that oil change, it get rids of
those nasty filings.
Not sure if anyone agrees with me, but that's what I would do.
When I acquired my new car in 2001 (German BMW competitor), the first new
car in years, I found that there was no instruction to change oil after
This marque had previously recommended a change at 1500 km/900 miles,
something also included in the service booklet.
This requirement had continued with this brand long after others had dropped
it, so I was really surprised and a touch concerned. However, having spoken
to an old-school service technician at the dealer's, I accepted it. Even he
said that he had reluctantly come to accept the new ruling, that the engine
does not need it.
Change oil if it makes you happy and saves you a psychiatric bill.
Otherwise it's a waste of money and time.
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