Short Description
Starting with the introduction of the 1999 3 Series (E46), BMW introduced an extended oil change interval of approximately 15,000 miles depending on engine operating conditions. The engine oil change interval of approximately 15,000 miles has been carried over to all 2001 BMW models. However, engine oil should be changed at least once a year. This revision (annual oil change) is retroactive to earlier model years and is included in the BMW Maintenance Plan. To coincide with the increased oil change interval, BMW also introduced “BMW High Performance Synthetic Oil” SAE 5W-30.
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Content
BMW recommends the use of BMW High Performance Synthetic Oil SAE 5W-30 or Castrol RS SAE 10W-60 Synthetic Oil also called Castrol TWS Motorsport SAE 10W-60 Synthetic Oil on all models as outlined below whenever a service is necessary to avoid engine damage.
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Synthetic Engine Oil Benefits
BMW High Performance Synthetic Oil SAE 5W-30 and Castrol RS SAE 10W-60 Synthetic Oil also called Castrol TWS Motorsport SAE 10W-60 Synthetic Oil offers several benefits over conventional mineral based oils.
These oils have been durability tested on BMW engines and supply superior lubrication under all operating conditions and over the extended BMW oil change intervals.
– Superior thermal stability
The synthetic based oil resists thickening at very low ambient temperatures providing improved flow, lubrication and less internal engine resistance during cold starts.
Under high heat conditions, the oil resists thermal breakdown/shearing which causes a loss of lubrication quality with conventional oils.
Using BMW High Performance Synthetic Oil eliminates the need for seasonal oil changes since it covers all ambient temperature ranges.
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