Task of the air filter
- To protect the engine against dirt particles in the intake of air
- To protect the engine against wear
- To safeguard the air supply in the mixture generation
- To reduce the noise level
Change the air filter regularly according to the vehicle manufacturer's specification!
Consequences of silted-up filter:
The prerequisite for flawless operation: Tight fit
Leakages and porosity lead to a bypass of unfiltered air (unmetered air) in the intake duct. Consequently, Bosch air filters possess a particularly long-lasting seal made of polyurethane: