Very often the defects of the NOx sensor are sporadic. During diagnostics, more than 17 parameters of the NOx sensor – static and live values, are inspected.Īfter diagnostics, you will receive the report regarding the performance of the NOx sensor.ĭisclaimer.
The sensor misleads DME regarding the lowered temperature of the exhaust, DME does not switch the sensor in Online mode and does not use a Stratified charge.īimmerprofs offers diagnostics of the NOx sensors for the F series. incorrect measurements of the exhaust temperature.The sensor sends an increased amount of NOx and misleads DME regarding contamination and damage of the NOx converter The sensor does not switch in Online mode and does not send live data problems with finishing the self-test/calibration.These sensors have several hidden defects (detailed information read here), regarding which the error messages in the DME error message memory are not recorded, but the performance of the engine is impaired, Stratified charge – turned off. BMW has denied access to any pe of data, which corresponds to the NOx sensor. Unfortunately, the diagnostics of the NOx sensors for F series vehicles (N53B30 petrol engine family) with the diagnostics equipment is very difficult. Very often the error messages regarding these sensors are not recorded in the error message memory of DME even in cases of fundamental damage.
NOx sensors could be (and very often are) the reason, why the engines of the N53B30 engine family do not use a Stratified charge.
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