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Combustible Propellant..?

Specific discussion about the E89 2009 Z4 (sDrive35is, sDrive35i, sDrive30i, sDrive23i)
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Yorkie Z
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Combustible Propellant..?

Post by Yorkie Z » Sun Oct 15, 2017 12:32 pm

Here we go again :wink:
A Dirty M///

warmasice
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Combustible Propellant..?

Post by warmasice » Mon Oct 16, 2017 7:43 pm

Shell V-Power every time
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Nanu
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Combustible Propellant..?

Post by Nanu » Mon Oct 16, 2017 7:50 pm

warmasice wrote: Mon Oct 16, 2017 7:43 pm Shell V-Power every time
Likewise especially if its bad for Global warming :fuelfire:
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Busterboo
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Combustible Propellant..?

Post by Busterboo » Tue Oct 17, 2017 10:38 am

Marekdawg wrote: Fri Oct 13, 2017 12:28 pm Just wanted to see what people think and use. :scratchhead:
... what about fuel additives ...
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Combustible Propellant..?

Post by lordgrover » Tue Oct 17, 2017 4:55 pm

Humble 35i here, not mapped. Used V-Power every time until recently, July I think.
Not definitive, but since I switched to supermarket fuel my MPG has improved marginally - which surprises me.
Perhaps were it mapped to take advantage of the higher octane rating it would be different.

Not sure I believe Shell's marketing schpiel.

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Combustible Propellant..?

Post by Andyturbo2000 » Fri Oct 20, 2017 4:27 pm

I was particularly interested in the RON of supermarket fuel. Turns out, it's nearly always 97, which is over the minimum for most German cars. My S4 was 93 minimum so I think unless you have a car mapped for 99 or the like, the 'improvements' are more anecdotal...

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Combustible Propellant..?

Post by Smartbear » Fri Oct 20, 2017 4:39 pm

Andyturbo2000 wrote: Fri Oct 20, 2017 4:27 pm I was particularly interested in the RON of supermarket fuel. Turns out, it's nearly always 97, which is over the minimum for most German cars. My S4 was 93 minimum so I think unless you have a car mapped for 99 or the like, the 'improvements' are more anecdotal...
If you run a car with a knock sensor & run super unleaded, the car should fine tune the ecu to give more power.
Especially true with turbo cars. (I think Tesco unleaded is only 95 Ron)
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e89 Sdrive 20i, plenty of mumbo & good economy-the thinking bears z4
e89 Sdrive 30i, this ones busted, pass me another...
e85 3.0si sold

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Combustible Propellant..?

Post by Mr Tidy » Fri Oct 20, 2017 7:32 pm

Most regular unleaded is only 95 RON - but I'm sure I looked on the pump at my local Tesco and their Super Plus is 99 RON which surprised me! (And no, I wasn't putting fuel in my Z4).
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Combustible Propellant..?

Post by Smartbear » Fri Oct 20, 2017 7:48 pm

Yes, it is 99 Ron :driving:
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e89 Sdrive 20i, plenty of mumbo & good economy-the thinking bears z4
e89 Sdrive 30i, this ones busted, pass me another...
e85 3.0si sold

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