Quote:
Originally Posted by GaryM5
I have an 01 M5 and have been using Mobil 1 5w30 for 4 years, Why is this a no no?
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That oil is significantly THINNER than the recommended BMW 5w30... And THAT is way thinner than the 10-60
If you look at the actual viscosity specs of the BMW 5w30 it runs like a 5W40....which is why Doug Baker (above, 4 year ago... wave) suggested those oils. 
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Keep it as simple as possible...but no simpler.
Last edited by ard; 08-25-2012 at 04:35 PM.
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