i used the AR 6400D initial treatment about 8000 miles ago

do others use this once a year, by mileage only, or just once

i have been using AR 6900D all the time

 

is the product  AR6200-eu generally needed with the above treatment as well?

 

thanks in advance

 

 

 

 

 

Can't help you with your specific question but always used 6900D in my Zafira because they had a reputation for problems with DPF etc. I still have some left which I will use in my Fabia. I haven't decided whether I will buy more in the future.

I have used to use archoil 6400 d max twice yearly in the past and it did stop to the issue I was having, but what I tend to do now is give the car premium diesel every 4th tank full and get the same cure the archoil gave me.(a tank of diesel lasts us around 3 weeks on average) 

23 hours ago, Emaharg said:

Can't help you with your specific question but always used 6900D in my Zafira because they had a reputation for problems with DPF etc. I still have some left which I will use in my Fabia. I haven't decided whether I will buy more in the future.

 

22 hours ago, seriesdriver said:

I have used to use archoil 6400 d max twice yearly in the past and it did stop to the issue I was having, but what I tend to do now is give the car premium diesel every 4th tank full and get the same cure the archoil gave me.(a tank of diesel lasts us around 3 weeks on average) 

 

thanks both...its good to know real feedback on the effectiveness on these items which you stated

i can go ahead with thanks for your input

cheers

geof