BMW 1 E87 P122E P13B6

[alessioblaupunkt]

BMW 1 E87 P122E P13B6

Dear gents,
BMW 1 benzin engine code N43B20A 1995cc 90kW
km 188000 year 3/2008

DTCs
2AF4 oxide Nitrogen sensor
2AF2 lambda linear sensor
2AF6 lambda binary sensor
2A99 cranckshaft - exhaust camshaft, reference
30DC oxide Nitrogen sensor, heating

Before I change $$$ parts for nothing have you ever had this DTCs?

Engine run ok, just MIL on.

2AF6= P122E
2A99 = P13B6
30DC = P125B

Thank you.

You delete and in a couple of minutes they're back.

[figani]

BMW 1 E87 P122E P13B6

Dear gents,
BMW 1 benzin engine code N43B20A 1995cc 90kW
km 188000 year 3/2008

DTCs
2AF4 oxide Nitrogen sensor
2AF2 lambda linear sensor
2AF6 lambda binary sensor
2A99 cranckshaft - exhaust camshaft, reference
30DC oxide Nitrogen sensor, heating

Before I change $$$ parts for nothing have you ever had this DTCs?

Engine run ok, just MIL on.

2AF6= P122E
2A99 = P13B6
30DC = P125B

Thank you.

You delete and in a couple of minutes they're back.


all normal dtc´s...
also 2A99 on this kind of engine...

[alessioblaupunkt]

All normal but owner cry for MIL ON.
Does he really need to change all these parts?

[Rob6144]

Good evening, sir check timing 2a99 suggests there is timing chain ware vannos issues ect lamda could be from that also but nox heater may be dead as as i dont see on the surface a correlation but check resistance of sensor ect