I’ve just found this tucked away in the boot of my mini.
Does this stuff go off?
D
Octane additives shelf life.
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- 1275 Cooper S
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Octane additives shelf life.
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- 1275 Cooper S
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Re: Octane additives shelf life.
Absolutely no proof but looking at some of my bottles on the shelf, the colour of the fluid has changed so I would vote - Yes.
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Re: Octane additives shelf life.
I very, very much doubt it. In a sealed bottle in the dark I'd be happy to use it.
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- 1275 Cooper S
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Re: Octane additives shelf life.
Why would you have to be in the dark Mark? Any secrets we need to know about??? He he he 

- Peter Laidler
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Re: Octane additives shelf life.
My pal James the ace chemist says the same but adds that just a good shake in case the mix has started to separate - as it might.