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      03-12-2020, 05:43 PM   #44
Grizzle34
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Drives: 2017 G12 740Ld Xdrive M Sport
Join Date: Oct 2018
Location: Glasgow & Falkirk

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Quote:
Originally Posted by OneExtra View Post
I have tried Esso Supreme 97 and have to say the car goes really well on it. I was dubious as V Power and Momentum are 99, however i read that they use a lot of methanol to get to 99 octane whereas Esso does not use Ethanol (except in certain parts of the country)

Given that it says you should run an M5 on 98 Octane do you think it matters?

I think the car with a Stage 1 map on Esso fuel drives really well and has less soot on the exhaust pipes.
both Shell and Tesco use 7% ethanol.

Esso super unleaded petrol (Synergy Supreme+ Unleaded 97) is ethanol free (except in Devon, Cornwall, the Teesside area and Scotland).

Last edited by Grizzle34; 03-12-2020 at 05:49 PM..
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