05-13-2019, 03:33 AM | #2 | |
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Quote:
The Castrol is boosted with titanium FST which in tests holds 15% more protection than the previous one and is especially made for engines with tight tolerances i.e. the rod bearings on the M5 and it's fully synthetic. |
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05-13-2019, 03:50 AM | #4 |
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05-13-2019, 03:53 AM | #5 |
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Happy to use what BMW advise
It's under warranty so if anything goes wrong it's their issue I am not sure the outcome if I took my own oil to BMW and said use that and then the engine went Appreciate your view but as mentioned in warranty |
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05-13-2019, 03:59 AM | #6 |
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As long as it's BMW recommendation then your covered, there is no doubt with that .Believe me and ESPECIALLY with your tune.
Remember what dealer was saying when M5 first came out that 10w60 was fine |
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05-13-2019, 10:46 AM | #7 |
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From the manual
When selecting an engine oil, ensure that the engine oil belongs to the viscosity grade SAE 0W-30 or SAE 0W-40 or malfunctions or engine damage may occur. Alternatively, also engine oils with viscosity grades SAE 5W-30 or SAE 5W-40 may be used.◀ The engine oil quality is critical for the life of the engine. I would go for 0w30 but there is very little between 5w30 and 0w30 if both are fully synthetic , i wouldnt brake my neck over getting a 0w30 if a 5w30 is easily available. |
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