Do you use a fuel additive, if so, which one ?

O

Old-Duckman

Active member
 SW Pennsylvania USA
So having that weird fuel pump cycling sound lately, I've been researching fuel additives. Watched a YouTube video where the BMW owner said that Chevron Techron is the same product that BMW dealers sell but at about 1/3 the price.

I have a receipt from the P.O. that states "injectors cleaned" among other things. I don't know if that was manually or...?? how.

I did purchase some Techron from Amazon, I have a can of SeaFoam and a can of Liqui-Moly Gasoline.

Don't know if I want to use any of them (now that the sound is back to normal...weak battery) in the Z. Any thoughts and/or FHE is appreciated.
 
I have always used Chevron with Techron in all my high performance vehicles as suggested by my Harley Davidson dealer. The same for the Mustang and the Z4.
Lately I started adding an injector cleaner to the Z fuel. I'm just 2 tankfuls in but I swear it is running better than ever. Suggestive? Maybe but, I'll keep it going. I bought a case of Liquid Moly Valve Clean 2001.
 
I've always used Archoil in my cars. Especially when you can't get super unleaded fuel. Not cheap but lasts for ages.

Car never missed a beat in 7 years and 34mpg as a Daily driver.
 
dhobbs said:
I've always used Archoil in my cars. Especially when you can't get super unleaded fuel. Not cheap but lasts for ages.

Car never missed a beat in 7 years and 34mpg as a Daily driver.
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Never used Archoil, but heard many good things about it.
 
Personally, I just stick v power in nine times out of ten and change the oil at least once a year / every few thousand. If it ain’t broke...
 
No.

Super Unleaded and the odd tank or two of Shell V-Power.

Serviced and Oil changed every year.
 
Nope.
Most engine/oil/fuel additives are expensive snake oil imo.

Got 261K miles out of an M52Tu-engined 3 series coupe before it was t-boned.
Engine was still strong, no loss of compression, no excessive oil consumption. Never used any additives. Always had regular oil/plug changes.

Up to 140k miles on my M54 3.0 Z4 now, also with no loss of compression or high oil consumption.
I doubled up on the oil service frequency @100k miles and don't drive it like a tw@t. Nothing else needed.
Save your money and buy some furry dice. :evil: :lol:

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Funny how some people say fuel additives are snake oil, then use super unleaded.
Super unleaded has fuel additives that's why there is a premium.
The fuel companies contract various supplier to provide the additive. So adding it yourself can be more cost effective than paying for it pre mixed at the pump.
Also the fuel companies don't want the additive to be too good as it still needs to sell normal unleaded. Whereas buying it separately you can get the best product for your buck!

Obviously it's each to their own.
 
Super unleaded is higher octane and likely to have lower ethanol content. It’s not just additives.
 
MDUBZ said:
Super unleaded is higher octane and likely to have lower ethanol content. It’s not just additives.
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That too, I agree. Although ethanol content in the UK is still 5%. E10 has not been introduced yet.when it is then super will stay at E5.
Additives also help the fuel disperse better so the burn is more efficient and you get better performance or mpg. They also keep the fuel lines and injectors clean maintaining original performance.

It's all a personal choice IMHO. Much debated as the roadster/coupe argument.
 
i dont regularly use additives, no. put a tank of injector cleaner through a new car i'd acquired once, but generally if i feel i need an engine clean, i'll treat it to a tank of super unleaded.

but cant say i've ever noticed a difference.

If i had a car that had to run on super, and i couldnt get hold of it for some reason (for example, a Nissan 350Z on a roadtrip round the wilds of scotland) then yes, i would take an octane booster just in case.
 
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