Fuel for E92 M3 - Octane booster?

Discussion in 'General maintenance, upgrades and modifications' started by DMC, Jun 15, 2018.

  1. 15 Jun 2018 at 5:14 PM #1
    DMC

    DMC A mere Chipper

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    Hi

    Should I be running my M3 on super unleaded? I have just bought it and as I have mostly ever had diesel cars, I am not so sure if regular unleaded is fine for them, or if any octane booster needs added to the regular stuff? If so what brands etc are recommended

    Thanks
     
  2. 15 Jun 2018 at 5:35 PM #2
    alpina527

    alpina527 Achieved official socks

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    Always use super unleaded. It tells you what to use in the fuel flap. Mine ran best on BP ultimate. Tesco was awful
     
  3. 15 Jun 2018 at 5:58 PM #3
    AndyE

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    Sainsbury’s super unleaded worked best in my E92.

    Shell optimax was fine, but the VPower that replaced it wasn’t anywhere as good, apparently to do with an engine sensor not being able to cope with the bio ethanol content, which matches what Ian saw with the Tesco super.

    Sainsbury’s super is all oil derived, no bio content at all.
     
  4. 9 Jul 2018 at 10:44 PM #4
    DMC

    DMC A mere Chipper

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    Cheers for the replies

    Have been running super in it since, but I have recently switched jobs and unfortunately super is at least an hour round trip to get now. Any recommendations on additive to add to normal unleaded?
     
  5. 9 Jul 2018 at 10:58 PM #5
    Bharat

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    thanks, that's interesting.
     
  6. 10 Jul 2018 at 12:16 AM #6
    blitzmo

    blitzmo On the path

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    I very rarely see Sainsbury's with super.
     
  7. 12 Jul 2018 at 3:36 PM #7
    Raif

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    Is there any way of distinguishing this by the EN/BS number which is on the pump?
    Otherwise how can you find out which fuels are derived from what?
     
  8. 24 Jul 2018 at 12:15 PM #8
    TayloorM3

    TayloorM3 A mere Chipper

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    I've always used Tesco 99 personally.. never noticed anything but smooth power delivery.
     
  9. 31 Jul 2018 at 3:56 PM #9
    Ant Man

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    I always run Shell Vpower unless I'm somewhere like mid-Wales where I used 2 full tanks of Tesco99 Momentum.

    Vpower is like a caffeine kick for my car. The engine is very smooth and quick to rev.

    Tesco99 - can't say I noticed much of a difference (maybe a tad less zip) but it doesn't contain much detergent - if any. Details used to be on their website.

    Supermarket fuels generally contain far less detergents than the premium fuels. Shell Vpower contains more detergent than Shell's regular unleaded. Their website contains all the info about their fuels.
     
  10. 31 Jul 2018 at 4:02 PM #10
    Ant Man

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    Millers do one. It adds 2 octanes, detergent and other good stuff. They also do a competition shot that adds 4 octanes.:D

    I've used Millers on occasions where I couldn't find Vpower.
     
  11. 1 Aug 2018 at 5:56 PM #11
    Lee1986

    Lee1986 Rocking a new hat

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    I run only Tesco or shell 99

    Wouldn’t run it on anything less,well I can’t now but even before I was mapped it was shell or Tesco 99.
     

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