On Apr 4, 3:12=A0pm, klu...@[EMAIL PROTECTED]
(Scott Dorsey) wrote:
> "e...@[EMAIL PROTECTED]
" <nob...@[EMAIL PROTECTED]
> wrote in message
>
> news:zMqdnbxencGHGGvanZ2dnUVZ_veinZ2d@[EMAIL PROTECTED]
>
> >I only put about 3k miles per year on my Z4. =A0Is it necessary to
change=
the
> >oil once a year? =A0I wouldn't think so but I spoke with someone who
said=
> >they change their oil once a year regardless if 5k miles were driven.
>
> I would. =A0If you leave oil around, even if you aren't running, the oil
> will slowly become acidic. =A0After a year, you probably want to change
it=
..
>
> I'm not sure if this is still as serious an issue with the modern
syntheti=
c
> oils, but I'd still do it anyway just in case. =A0But then again, I
change=
> my oil every 3,000 miles anyway.
Are you really changing "modern synthetic oil" every 3,000 miles? That
a bit premature and frankly, a waste. Even if you do NYC bumper to
bumper traffic, a good "modern synthetic oil" should last at least
5,000 miles. For most people 7500 to 10,000 is about right, especially
if most of their mileage is on the highway.
If you are really concern about your oil, then change it every 7500
miles or so and change the FILTER more frequently, like every 3,000.
Personally, I still use dino oil in my 90 535i, 5 spd with 118K miles.
I change my oil and filter ever 3500 to 4,000 miles, but need to add a
quart or so every 2500. Good Luck!
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