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  #11  
Old 09-17-2022, 08:35 PM
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Quote:
Originally Posted by wpoll View Post
Got lucky I guess...?

Most other folk that have done this EGR delete seem to have ended up with a check engine light. But maybe the M57TU DDE 5 map on the 330d and 530d cars are very different - the reports of a CEL after an EGR delete are mainly from these vehicles. And what Clavurion says is also probably relevant - different markets have very different maps.

I've never done this mod myself (my EGR is clean and working fine) so I have zero first-hand experience.
Iíd like to see posts or reports of all these folk with e53 diesels getting a check engine light after deleting their EGR?
Yet to find one Ö
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  #12  
Old 09-17-2022, 09:12 PM
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Quote:
Originally Posted by deepblonde View Post
Iíd like to see posts or reports of all these folk with e53 diesels getting a check engine light after deleting their EGR?
Yet to find one Ö
Tonnes of folk with other M57TU-powered BMWs have the issue - so it seems it may not be a thing for the E53 (depending on tune).

Yay! Another win for the good old E53..
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  #13  
Old 09-17-2022, 09:18 PM
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Quote:
Originally Posted by wpoll View Post
Got lucky I guess...?

- different markets have very different maps.
.
Iíve always been interested in the differences between the two e53 LCI diesel versions,
and what the exact differences are -
the 160kw/218hp/500Nm map versus the 155Kw/211hp/480Nm version.

I canít see much difference at all ; but there must be something?

Iím not even sure which version I have , as my owners manual contradicts other sources of which one it is .

Iíve got original files of many of these .
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  #14  
Old 09-18-2022, 05:52 AM
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I'm pretty certain E53 3.0d M57N EU4 versions with DPF will illuminate engine warning light if you disable EGR.

If you want to investigate software differences maybe you could check E39 530d. The very last 9/2003-12/2003 manufactured versions have a different DDE version (software) even if it still has the same M57 engine. The only mechanical difference is the last models have boost air temp sensor on the boost pipe (like all M57N engines) and the previous ones don't. On these last models the engine warning light will illuminate if you disable EGR.
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  #15  
Old 09-21-2022, 07:05 PM
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The plot thickens eh? I guess it will all come out in the wash when I strain everything and try and do this over a quiet weekend. I am still waiting for the parts to arrive, knowing our Border Force they are likely to think they are parts for a gun and with hold them...No, I am not joking, it has happened before!

This getting old crap is for the birds My brain keeps telling me I am stuck at half my age, but my body having been through many kinds of abuse, (and not self inflicted either ) complains after 30 minutes.
What I used to do in half a day now takes all weekend, maybe two hours in the morning and then recovery the rest of the day, with the same the next day. This is worse when leaning over and into the engine bay for some reason.


No amount of money the Army gives me can replace my leg or back, let alone the other problems. Doing the work myself is my cathartic release and satisfaction though, so a catch 22 situation.
Without the knowledge and support of the people on this forum I honestly think I would have sold the car and given up...but, here you all are with many lively bits of information and help.



I just wanted to say a huge THANK YOU, you all keep me on the sane track and moving forward slowly, learning and improving each time.


Jeff
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