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2.5 tdi V6 - what engine oil?

Discussion in 'A6/S6/Allroad forum (C5 Chassis)' started by ms1083, Nov 15, 2013.

  1. ms1083

    ms1083 Member

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    I replace my oil & filter every 10,000 miles as I believe long life service is asking for trouble. Whilst it is quite easy to find an oil up to VAG standards 502.00/505.00 what grade is best to use? I can never decide. Prices vary massively depending on grade. I am wanting something that is best for the car (on non longlife service) whist being most economical with relation to mpg. Any tips? Does it matter much? I always thought changing it regulary is the most important thing? Recently been using Valvoline Synpower Fully-Synthetic 5W30.
     
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  3. adamss24

    adamss24 Well-Known Member

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    505.01 oil mate, the semi synthetic oil is the reason cams are wearing on these ! If you want the engine to last use fully synthetic Quantum 5w40 oil and change it every 5-6k !
     
  4. ms1083

    ms1083 Member

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  5. myth

    myth Member

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    I use in my 2.5tdi AFB with 300 000 km on board, Mobil 1 15w-40. The thicker, the better.
     

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