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If you Rebuild Motor Don’t use 10W-60 Oil
The S63tu requires a specific viscosity in order to flow cold and hot ; a 10w-60 oil will cause untold wear/damage to your engine .
This oil was approved and recommended on the previous E60 M5 S85 V10 engine but NOT ours.
BMW Technical Bulletin : Favorable Viscosity Temperature Behavior
“Viscosity is the tendency of oil to resist flowing. Engine oil, when cold, should be thin enough so that the engine can be cranked over. Hot oil should be thick enough to maintain proper lubrication.”
BMW M5 F10 :
“When selecting an engine oil, ensure that the engine oil belongs to the viscosity grade SAE 0W-40, or malfunctions or engine damage may occur.
As an alternative, you can also use motor oils with a viscosity grade of SAE 0W-30.◀”
Cheers
Bruce
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