Re: Terraclean –
I think they change the oil after the clean so they must reckon it goes into the oil. If it all goes out the exhaust, it could cause problems for DPFs I suspect.
Current- S3 Sportback Nav S-tronic, Mythos Black, B & O, Comfort Pack, Lumbar Support, Lunar Silver interior.
Gone-A6 C7 biturbo saloon, A6 C6 3.0 tdi Quattro saloon, A6 C5 2.8 Q Avant