no, the name changed and the old RS became TWS.
There's a new RS which is not the same as the current TWS
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Both the BMW approved TWS Motorsport and the new not approved Formula RS are 10W-60 oils but with different characteristics. The viscosity at 40°C and 100°C are the same since they both are SAE 10W-60. But other values as the pour point (-54°C vs -42°C), flash point (240°C vs 208°C) and total base number (8,6 vs 11,0) are very different.
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