In the next few months, I will do my first oil change as the car is now under an extended warranty. As part of that work, I'm thinking of cleaning the DPF. I have watched some YouTube videos on this and started reading about this on the internet. If it is as easy as they show in the videos.

Question: Is this a good preventative measure? or if the active Regens are working leave well alone?

The process is adding cleaner via a pipe into the DPF and then running the car with something to catch the mess when it comes out of the exhaust. SDV8 AB MY 2020
MINI Cooper S Cabrio
Kit: Jaguar XK140 (in progress - the website is link to build)

If the DPF isn't causing any problems I'd be tempted to leave it alone, My L322 has done over 120K miles and never had a DPF fault and never had any additional cleaning.

Yep, if it ain't broke, don't fix it... walk away.....  Pete

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2014 L405 Autobiography SDV8 4.4 Loire Blue Ebony interior
2011 L322 Vogue SE 4.4 TDV8 Baltic Blue. Parchment over Navy Interior. Sold
2012 L322 Autobiography 5.0 Supercharged Ipanema Sand, Jet Interior. Sold
2002 L322 Vogue 4.4 V8 Epson Green, Ivory over Aspen Interior (Fatty Offroader) Sold
-Click for Project Fatty off roader-

Agree with the comments from cass and Haylands, why would you? if you were regularly getting the amber warning light I would be concerned. 2018 SE SDV8 4.4 Byron Blue

Madness. Leave it alone if it’s working ok. Gone to a good home: 2011 4.4 TDV8 Vogue SE Buckingham Blue with Ivory and clear glass = "Rory"
New Defender D300 90
1974 Series 3 Lightweight = "Millie"
My preferred specialist: www.glenrands.co.uk
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Duly noted... I will leave it alone... SDV8 AB MY 2020
MINI Cooper S Cabrio
Kit: Jaguar XK140 (in progress - the website is link to build)