BMW equipped with N43/N53 series engines contains NOx system. There are two basic parts of NOx system:
- NOx catalytic converter;
- 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
- Average lifetime: 30.000 .. 50.000 km
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