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Can you mix different oil viscosities?

Ben S3 8P3 Feb 9, 2013

  1. Ben S3 8P3

    Ben S3 8P3 Member

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    I presume what is in my car now is 5w30. Im about to top the oil up but everyone has advised to use 5w40.

    Will mixing these be ok?

    Thanks,

    Ben
     
  2. NHN

    NHN Retrofitter - Audi - VW - Skoda - Seat Site Sponsor VCDS Map User

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    Does help if you advise of the year & engine.
     
  3. Ben S3 8P3

    Ben S3 8P3 Member

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    And also after looking, everywhere seems to advertise 5w40 as turbo diesel oil?
     
  4. Ben S3 8P3

    Ben S3 8P3 Member

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    Sorry its a 2009 8P3 S3
     
  5. NHN

    NHN Retrofitter - Audi - VW - Skoda - Seat Site Sponsor VCDS Map User

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    5w30 castrol edge, dont mic viscosities.
     

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