Recent content by Teutonic_Tamer

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    RLI Biosyn 5W40, Audi RS4 update

    Originally Posted By: G-MAN Originally Posted By: RI_RS4 Similar problems occured with the introduction of DI in diesel engines. It was solved with fuel lubricity enhancement and modifications to oil formulations. Huh? I don't buy that at all. I don't support you - I actually agree with...
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