Air Filter - BMW E46 3-Series - Various Models
BMW Part Number: 13 71 7 503 141
Brand: Bosch (German O.E.M)
Fitment: Per 1 Filter
Height 85mm
Outer Diameter 171mm
To Fit the following Models:
E46 3-Series Sedan 318i - N42 & N46 All Models
E46 3-Series Compact 318Ti - All Models
E46 3-Series Touring 318i - N42 & N46 All Models
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:
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