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Home >> BMW >> 2013 >> M3 2D Coupe, Automatic DCT Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine - Operating Fluids >> 3.0 Gasoline Engine Oil Requirements And Specifications >> M5 and Z8 Oil Recommendation
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M5 and Z8 Oil Recommendation

The M5 up to 3/00 production requires a specially formulated synthetic engine oil - Castrol Formula RS SAE 10W-60 or Castrol TWS Motorsport SAE 10W-60 and is the BMW recommended oil for this engine.

Castrol Formula RS SAE 10W-60 Synthetic Oil or Castrol TWS Motorsport SAE 10W-60 Synthetic Oil is recommended for use on M5 models produced up to 3/00 whenever a service is necessary and is available under BMW part number 07 51 0 009 420 (1 liter bottle). 

NOTE: For logistical reasons Castrol Formula SAE RS 10W-60 Synthetic Oil has been renamed and is now called Castrol TWS Motorsport SAE 10W-60 Synthetic Oil. Since the formulation has remained the same it is sold under the same BMW part number 07 51 0 009 420.
NOTE: If a customer needs to top up oil between oil changes and Castrol Formula RS 10W-60 Synthetic Oil or Castrol TWS Motorsport SAE 10W-60 Synthetic Oil is not available it is recommended that they use synthetic engine oils with a lower viscosity which conforms to the API classification SL or higher. It should be noted that engine oil consumption will increase when Castrol Formula RS 10W-60 Synthetic Oil or Castrol TWS Motorsport SAE 10W-60 Synthetic is diluted (topped up with other low viscosity synthetic engine oils).
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