Bimmerfest - BMW Forums - View Single Post - DPF "needs replaced"... for $5,900... at 65k miles
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Old 07-30-2018, 06:26 AM
TroubledGnome TroubledGnome is offline
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Location: Pennsylvania
Join Date: Dec 2015
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Mein Auto: 1988 M3, 2011 X5 35D
Originally Posted by Doug Huffman View Post
There have been no credible reports of a successful BMW DPF cleaning in the US.

OTR tractor DPF are intended and designed to be frequently removed and cleaned, not so the BMW. The soot and ash mass are of fully reduced chemically inactive stuff impervious to solvent solutions. The only cleaning that might be effective is further reduction at high temperature with further physical removal by heated air pressure blast and mechanical agitation.

Has there been creditable attempts?

There is a lot of talk about it, but I don't recall anyone on this list ever trying to get one cleaned.
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