2019: Hardware-Retrofit is ready and available for BMW since 2008

AdBlue & SCR Katalyst are available since 2008.

Hardware-Retrofit is easy, ready and available since 2008,
but somehow, contrary to the USA,
BMW & Co. haven't been forced to actually implement it.

https://youtu.be/UXN9Wsg8-Qo

The men who helped expose Volkswagen's emissions scandal

2015: Meet John German: the man who helped expose Volkswagen's emissions scandal
"Automative engineer’s research connected the dots to how the automaker manipulated diesel emissions tests – but that was never the intention" https://www.theguardian.com/business/2015/sep/26/volkswagen-scandal-emissions-tests-john-german-research

2015: Carder's $50,000 study produced early evidence that Volkswagen was cheating on US vehicle emissions tests: https://www.independent.co.uk/news/business/news/volkswagen-emissions-meet-the-the-man-who-accidentally-discovered-the-scandal-10515626.html

2019: German TV-Channel Pro Sieben: John German, the man who enveiled the Diesel-Scandal:
"Immer mehr deutsche Städte verhängen Diesel-Fahrverbote. Auslöser dafür war John German. Denn er hat den Skandal als erstes entdeckt. Hier kommt seine Geschichte."
https://www.prosieben.ch/tv/galileo/videos/6-dieser-mann-deckte-den-vw-abgasskandal-auf-clip?utm_source=facebook&utm_medium=social&utm_term=social_onsite&utm_campaign=prosieben.de&utm_content=share_video_bottom&fbclid=IwAR3TKDSvpV0mjjT6k4X3EYA8HGUe_smVXNMPM8lEUgxbgCpMqH8vZJkYyP0