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Changing oil on a new engine.... (archive)

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Posted by Bart B. on February 26, 2001 at 14:03:00:

In Reply to: First oil change question... posted by scott on February 26, 2001 at 06:34:37:

...even if it is a BMW one, should be close to a religous thing. The reason is all the stuff that gets wiped off is best gotten out of the engine before too long.

After talking with folks years ago who rebuilt engines for a living and repaired many almost new ones, their biggest problem was metal particles and other very fine particulates. Although BMW runs in new engines more than most other car makers, I still think the engine oil should be changed often the first 5000 miles.

I change oil and filter at 200, 800, 2000, then at 5000 miles with a new car engine. Then every 5000 miles thereafter. Oil being the cheapest thing one can put in an engine, I don't mind a bit. A BMWCCA member can get BMW synthetic 5W-30 oil for less than $3.00 a quart; this is oil that meets the toughest lubrication standard on earth - the ACEA A3 standard for gas engines. Made by Castrol, it's probably the best buy for your money for Z-car engine oil these days.

Valvoline used to sell their 5W-40 synthetic oil to BMW, but this ACEA-A3 spec. oil isn't any more. It's still a good oil for Z cars, it just costs more than BMW's 5W-30 oil.

Mobil 1 0W-, 5W- and 10W-30 oils don't meet this standard; their 15W-40 does. Neither does any other synthetic oil in XW-30 weight except Amsoil (I think, but it costs over $5 per quart and is a very good oil).


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