DPF: can the particle filter be cleaned / regenerated?
Diesel Particulate Filter Cleaner with Hose (Aerosol Can - 400 mL) | Miscellaneous | Chemical Product | Wurth USA
BMW DPF Clean diesel particulate filter - cleaning - YouTube
DPF Cleaning : Diesel Particulate Filter : Bmw X5 3.0 L ^ hp Diesel - How to prevent your filter from clogging? Carbon Cleaning service helps to be a possible effective solution.