Quote:
Originally Posted by wpoll
Well, there you go.... after five years of asking on this forum and others, finally someone indicates that they own an EU4 E53... with swirl flaps... that's a first... 
I once found a member here that had a DPF - but no swirl flaps. And the DPF had been retro-fitted... so not factory... |
There was an official DPF retrofit option for EU3 versions. A friend of mine has this (or had because the DPF is now removed). These versions are all the same as every EU3 but that DPF is installed instead of cat and is totally unregulated (no DPF temp or pressure sensoring). (No swirl flaps either.)
https://www.realoem.com/bmw/enUS/sho...diagId=18_0716