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m5-black said:
Hi,

I want to buy some oil to have at home in the garage and can't find my manual anyone know what brand/type of oil is recommended.
Castrol SAE 10w-60, suits most ambient temperatures, but if extremely cold, talk to dealer. BTW, you should find your manual, you may find it handy:M5thumbs:
 

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Same as the E39 M5 then.
 

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Discussion Starter · #8 ·
Does anyone if this info is accurate
IS Formula RS really the same as Castrol TWS - ?

BMW has changed their engine-oil recommendation for all M cars equipped with the new S54 engine (E46 M3 coupe and convertible, 2001-on M coupe and M roadster) from the previous BMW High Performance Synthetic 5W-30 engine oil (made by Castrol), pn 07 51 0 017 866 (1 quart), to Castrol TWS Motorsport 10W-60 Synthetic Engine Oil (previously known as Castrol Formula RS 10W-60. . . the oil is the same, only the name has changed) pn 07 51 0 009 420 (1 liter)

IS Formula RS really they same as Castrol TWS - ?
 

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They are very different. Stick with TWS.
 
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