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Thread: Fuel Mixing - Drain or Dilute

  1. #1
    Join Date
    Oct 2019
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    Fuel Mixing - Drain or Dilute

    Hey Guys, accidentally put 16L of E10 (94) in my 2019 Tiguan. When I realised I had only driven 5k and then I topped up the rest of the Tank with BP Ultimate Premium 98 in an effort to dilute the E10. Should I just keep adding Premium 98 for the next few weeks to further dilute or do I need to drain the Tank to make sure there are no traces of E10? Thanks alot.

  2. #2
    Join Date
    Mar 2017
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    Tasmania
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    Drive it and don’t worry about it.
    Cheers, Anthony

    Hers: 2016 Passat Comfortline 132TSI, Tungsten
    His: 2017 Passat Alltrack 140TDI Wolfsburg Edition, Crimson Red

  3. #3
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    Oct 2019
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    Thread Starter
    OK no need to worry then. Cheers

  4. #4
    Join Date
    Nov 2011
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    Semaphore, SA
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    8,083
    Just don't put it under full load conditions (WOT uphill on a 40deg C day) until you've run the tank down and refilled with 98.

    Just drive around "normally" until it's used up and refill.

    You'd be lucky to have dropped the octane to 97 so you likely won't notice the difference. If you are tuned it's going to be more of an issue than if you are stock.

    I think you can still run on 95 in an emergency on the 162TSI so it's probably not even going to be an issue.
    Last edited by tigger73; 16-10-2019 at 06:41 AM.

    2017 Tiguan Sportline - Tigger73's 162TSI Sportline

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  5. #5
    Join Date
    Jun 2017
    Location
    North Sydney, NSW
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    VW say 'minimum' 95RON. I agree with Tigger73, you should be OK if you topped off with 40 odd litres of 98.
    Tiguan Highline 162TSI | Indium Grey | DAP | MY18

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