on 23 September 2013
not a bad product, got an extra 40-50 miles from the tank with this, very accurate as i do the same 90 mile round trip on motor way daily for work so was easy to work out. engine however not really any smoother and no noticeable power gain. Have the diesel version for my wifes honda and was using it on my previous 535d msport and that one is outstanding!! couldnt believe it when i first used it, engine was much smoother infact had the engine idling while i was pouring a double dose in and 1 min later while pouring it in (to 1/4 tank of diesel) the engine note suddenly dropped and became much quieter!
on 25 November 2013
Not one for writing reviews, however, this is an exception because it really works. At a decent price as well.
For the record, I drive a 1.7 Ford Puma which I get between 37 - 39 mpg. (38 is what Ford specified.) However, since using this, the most I got was 43.94, with an average between 40 - 43 mpg which to me is a significant difference.
Also, the engine feels smoother, tighter and less jumpy in the colder moments.
Since I've run out of this additive, my mpg has dropped back again hence why I've ordered more!
The 500ml bottle lasted me approximately three months which is well worth the money spent.
on 6 May 2016
It seems to provide smoother running (at idle) when using budget fuel. As to any claims of cleaning injectors, this really cannot be verified unless the injectors are removed and inspected. If it works as well as their Diesel version, on this aspect we'll have to give Millers the benefit of the doubt.
A thumbs up!