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I know this isn,t the same stuff but this is the official line from SEAT and VAG

"The use of unapproved products to clean Diesel Particulate Filters (DPFs) is not approved by SEAT and can be extremely dangerous.

A company called Tunap has been presenting its DPF cleaning products as approved by the company. This is not the case. Volkswagen AG rejects the product and the related repair method and has asked Tunap to stop making these false claims.

If you are approached by an agency promoting this cleaning method, we advise you not to perform this service. In extreme cases it could lead to vehicle fire. This advice applies to all DPF cleaners from other manufacturers."

I would not recomend you use it,Particulary if you have had no DPF issues.
 
Run some Millers through if you want. I do quite often.
 
Yeah, already run the millers stuff. Just thought I'd run some DPF cleaner thru once, but not gonna risk this now.
 
Those "cleaners" are useless ... I tried most of products available on open market including tunap without any luck ...