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BMW - BOSCH MG1CS201

GPF / OPF REMOVAL

GPF (Gasoline Particulate Filter)

The filter used to reduce particulate matter (PM) emissions in exhaust gases in gasoline engines. It works similar to the DPF (Diesel Particulate Filter) used in diesel engines. GPFs were developed to comply with new emissions standards and protect air quality.

Increasing back pressure is absolutely undesirable, especially in terms of engine performance and fuel consumption. This situation, that is, the clogging level of the DPF, is constantly monitored by the DPF's inlet and outlet pressure difference and temperature sensors. When the sensors detect that the DPF has reached a certain clogging point, the engine control unit increases the exhaust gas temperature with the help of additional fuel injections (considering a single injection time, after-injections made after the preliminary and main injections). In this way, it aims to burn the particles and remove them from the DPF. This process is called "Regeneration" process.

FUNCTION OF GPF (Gasoline Particulate Filter)

1. Particle Retention:

GPF captures and retains fine particulate matter found in exhaust gases. These particles are soot and other small particles resulting from the combustion process.

2. Sintered Ceramic or Metallic Filter:

GPF is a porous filter usually made of a sintered ceramic or metallic material. This material does not allow particles to pass through but allows gases to pass freely.

3. Passive and Active Regeneration:

  • Passive Regeneration: GPF can passively regenerate (self-cleaning) at normal engine operating temperatures. The high temperatures of exhaust gases burn accumulated particles and release them into the atmosphere as CO2.
  • Active Regeneration: The engine control unit (ECU) can initiate the active regeneration process to clear the GPF when necessary. This is achieved by increasing the exhaust gas temperature or by additional fuel injection.

4. Sensors and Control Unit:

The GPF system has sensors that monitor the pressure difference and temperature in the filter. These sensors provide feedback to the ECU, determining when the regeneration process should be initiated.

COMPONENTS OF GPF (Gasoline Particulate Filter)

  • Gasoline particulate filter
  • Gasoline particulate filter temperature sensor.
  • Gasoline particulate filter pressure sensor.
  • Heating Elements (On Some GPFs)
  • Catalyst Coating

PROBLEMS OF GPF (Gasoline Particulate Filter)

  • Limp ​​mode problem.
  • Malfunction light coming on (Check Engine Light)
  • GPF lamp remains on.
  • Exhaust Gas Back Pressure Increase
  • Increased Fuel Consumption
  • White smoke seen in the exhaust.
  • Increase in Regeneration Frequency
  • Low engine performance
  • Abnormal Smells

NUOVOLTA SOLUTION OF GPF (Gasoline Particulate Filter)

  • Offical diagnostic tool must reset the relevant module.
  • DTC codes should be read and removed with a diagnostic tool.
  • Apply the solution of the module related to NUOVOLTA.
  • Write the mod file to the ECU.
  • Check the dashboard and DTC logs. Take it for a test drive.
  • If all the checks are OK, it means the problem is solved.

All Supported Modules