Quote:
Originally Posted by Tommo3
But where did you read that? On the internet and written by a 12 year old? Ask BMW or an oil company, that is not a mechanic at BMW nor someone who works in a shop selling oil.
You are just spreading fake news without a credible reference.
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You got me, yes the internet. As to verifying the age of anybody who posts, sorry no way I can check that. Whilst I’m not an engineer the logic of a thicker oil in an older/higher mileage engine makes sense to me. Internal wear over time leading to possibility of leaks being mitigated by a thicker/heavier oil. One of the earlier posters refers to misting from using 0w30. Both the grades I’ve mentioned in my posts are approved by BMW. Bit of a stretch to say spreading fake news, I’m asking a question based on what I understand in the hope that somebody who knows can either verify or refute. Thought that was one of the helpful features to a forum but seems easier to come on the bounce.