As soon as I read this:
Quote:
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By addition to fuel in the ratio 1 part to 1000 parts [1 ml/L]. May also be used at double strength for additional performance.
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... all credibility vanished.
As if to say, mix it in this ratio of 1 to 1000 - but if you use more
it's even better!! Hardly scientific.
An additive that allows you to double the dose sounds to me like an additive that does sweet FA.
Still, I'm a cynical sod so you'll have to let us know.
__________________
Ian
Current: 2021 G21 330i M-Sport
Previous: 2018 A6 Avant S-Line MMI+, 2014 F31 320d M-Sport, 2013 F10 520d M-Sport, 2011 F10 530d M-Sport, 2008 320i M-Sport Coupe, 2002 325i, 2001 318i valvetronic, 1998 318i, 1996 525i, 1990 Porsche 944S2