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Originally Posted by Martin80k
ok, what are the benefits of both and how to do them?
also, i have heard about software bypass. does that electronically stops egr working or physical blanks and removal has to be put in place as well?
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+1 on this question.
Is the EGR block off (exhaust manifold side and the EGR valve side) sufficient to serve as CBU prevention? What is the additional benefit of removing the cooler altogether, other than weight savings?
I'd be curious to see if a simple software can bypass the EGR system, but I think I remember reading that BMW made it virtually impossible to skip the EGR system without doing some hardware modifications, like iaknown and yozh are doing.