Petrol particulate filter
Traps particles in the exhaust of equipped petrol engines.
In the exhaust of applicable petrol models.
A porous structure traps particles while the system manages conditions that allow soot oxidation.
A fine-particle catcher after combustion.
A warning or restriction needs diagnosis of sensors, combustion and actual filter loading.
Condition, contamination, operating pattern and the underlying engine matter more than a universal age limit.
Sensors and joints differ greatly from complete after-treatment assemblies. First repair the cause of contamination or abnormal combustion.
Petrol-filter equipment varies by BMW production date and market; a model badge alone is insufficient.
Equipped BMW petrol models, according to engine, production date and market. Not all petrol generations have one.