DPF (Diesel Particulate Filter): All You Need to Know - OBD Station
Genuine BMW X3 E83 X3 3.0d SAV Retrofit Particulate Filter 18100418186 | eBay
Diesel Particulate Filters
Retrofit, diesel particulate filter BMW E90 sedan 50333
Offroad Retrofit - Advanpure GmbH
DCL International Inc. - Diesel Particulate Filters (Retrofit)
A market ready particulate filter retrofit system for passenger cars to avoid diesel emission is pictured in a garage of German exhaust aftertreatment technology group Baumot in Witten, Germany, March 7, 2018.
Diesel Retrofit Parts Info & Lists - Clean Diesel Group
Emissions Retrofit
Buses retrofitting with diesel particle filters: Real-world fuel economy and roadworthiness test considerations - ScienceDirect
BMW X6 (E71) - Particulate filter / retrofit particulate filter - Schmiedmann - Used parts
Diesel Particulate Filter (DPF) Cleaning and Maintenance