Coding out out the NOX will enable it to run stratified... This is how my car is running ;-)
325i, 3l, 3 stage manifold, remap with nox delete running stratified with a slightly broken nox sensor!
With 325i is no brainer to remap. 330I is marginal BHP improvement maybe 10-15bhp...
To really make it work and sound better with either NOXEM or Remap/NOX code out it would be best to remove the exhaust mid section with the Nox cat as both solutions are fooling the ecu in different ways..
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