Desulphation of NOx catalytic converter

Activating of forced desulphation session of NOx catalytic converter, using ISTA D

  1. Start new session with ISTA D, perform the identification of vehicle and a test:

BMW ISTA start new session

2.   open menu Vehicle management:

BMW ISTA vehicle management menu

3.   open menu Service function:

BMW ISTA Service menu

4.   open sub-menu Power train, press Start search:

BMW ISTA Powertrain menu

5.   open sub-menu Engine Electronics:

BMW ISTA Engine Electronics menu

6.   open sub-menu Nitrogen oxide catalytic converter:

BMW ISTA NOx converter menu

7.  choose the option Nitrogen oxide catalytic converter regeneration, press Start Search:

Follow instructions on screen.

 

Activating of forced desulphation session of NOx catalytic converter, using INPA

1. Download INPA loader 2.023 and copy necessary files

2. Select corresponding vehicle model and engine type

3. go to Desulphation menu: ../F9/Shift + F3/F1

4. Press F1 to activate forced Desulphation of NOx catalytic converter

 

Conditions for successful Desulpation session:

a) fill fuel tank to at least 1/2

b) drive vehicle with speed at least 110 km/h

c) driving session at least 30 min

 

Live data during Desulphation session:

a) exhaust system temperature around +600 oC

b) Lambda values for both banks around 0,95