04-16-2023, 02:48 AM | #89 |
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Here's a later test on E5 fuels for our M5's in particular the 99RON ones and as you can see Texaco Supreme P+ is the one to go for which has no engine destroying ethanol, that's the one I'll be putting in my car in spite of the further trip to the station that stocks it.
V power I will avoid altogether with too much ethanol and detergents in it, Esso is a question mark with Momentum but Texaco has consistently come up with zero ethanol. Enjoy. |
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05-07-2023, 01:08 AM | #92 |
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Ethanol is hygroscopic, it attracts water and absorbs moisture from the air causing condensation and leads to corrosion of car parts and damages plastics, bad news for M cars over the long term.
Tesco fuel is handy when you do your shopping then fill up with Momentum but as the fuel tester says watch this test if you value your M5 engine. My tip is to use Texaco Supreme + 99 with Redex petrol additive to protect the fuel system and injectors. Last edited by M5Rick; 05-07-2023 at 01:28 AM.. |
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05-12-2023, 11:38 AM | #93 |
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Facts on Redex petrol treatment, it's Britain's leading petrol treatment additive. I use it with every fill up now and ready available from Costco in 4 bottle packs but make sure it's for petrol E10 and E5 as there's diesel treatment packs too.
https://www.holtsauto.com/redex/prod...ystem-cleaner/ ''It's drivings best kept secret'' |
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06-29-2023, 07:13 AM | #94 |
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Out of all the fuels the new Texaco 99 Supreme has come out with no engine damaging ethanol added while Momentum 99 is back to 5% ethanol according to the last test above.
To recap again, bp with too low RON and no tech back up only with how good only their 'bean cafe' is lol, vpower has too many detergents and a lot of ads saying how good it is for Ferraris pulling the wool over eyes, jet is only 97 with a fancy name, esso is great for race cars but look at the above report with kerosene mixed in pump fuel..! is it in their 99 also? costco only 97 is an unknown you can only pay with a card, no cash accepted WTF? and a bit cheaper b/c of wholesale bulk, total only 97 with no gen on it, and any others like applegreen,sainsbury,asda etc I don't think are up to it. |
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05-29-2024, 02:11 AM | #99 |
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We have to ask why there is no 102 RON fuel with any of the fuel suppliers like there is on the Continent with for eg Aral 102. There was one time with BP a while ago with 102 Ultimate until the greenie owners withdrew it to continue with their snowflake 97 RON.
I believe 102 fuel is available on GB race tracks only and the only other option is octane boosters like Redex to increase the RON. https://www.amazon.co.uk/Redex-RADD0...375&th=1&psc=1 |
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