I personally would run Xcess 8100 5W40 for californian weathers, 300V for track work, or PP Euro 5W40 again for californian weathers for the budget conscious.
These cars target such a high oil temp in comfort and also still goes up to 90-95C in sport with regular driving, I would not want to run any thinner of an oil.
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BM3, MHD, ECUTek Calibrator | N55/S58 specialist | 2023 X5 45e Frozen Marina Bay Blue
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