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Re: Normal till first change, then synthetic (archive)
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Posted by Don Eilenberger on September 24, 1999 at 23:42:31:

In Reply to: Normal till first change, then synthetic posted by Dave. on September 24, 1999 at 10:28:31:

: New engines require all the parts, especially the rings and seals, to seat properly during break-in. Even though there really is no such thing as a break-in period by eom standards it's still best to observe the first 500-1000 miles as one and use maint. manual dictated viscosity and then go to synthetic after that.
: Dave.

Ummmm... actually - not. New Vettes come with Mobil-1 from the factory - all new M's come with BMW synthetic from the factory. Nice part on the M is that BMW continues to PAY for the synthetic for three years.. (oil changes are free.. just had one this week).

Newer manufacturing processes no longer depend on metal-to-metal scraping of parts (break-in oil) to make them fit each other.



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