Components of NOx system

BMW equipped with N43/N53 series engines contains NOx system. There are two basic parts of NOx system:

  1. NOx catalytic converter;
  2. NOx sensor.

 

NOx catalytic converter

  • Manufacturer: BMW AG (no alternatives available)*
  • Price: 2000 – 2500 EUR (depending on engine)
  • Lifetime: around 100.000 – 150.000 km

*if OEM NOx sensor is replaced with NOXEM, full functionality of engine is restored regardless of the condition of NOx catalytic converter

 

NOx sensor

  • Manufacturer: Continental (alternative: NOXEM)
  • Price: 450 – 500 EUR
  • Lifetime: 50.000 – 100.000 km

 

Related entries:

NOx sensors. OEM codes