The K&N air filter 33-3136 for BMW 4er (G22/G23G26) 430d 286 PS consists of cotton, with about 40% more airflow compared to a original air filter BMW of 4er (G22/G23G26). The K&N air filter 33-3136 is thinly coated with a special oil to achieve an optimum filtering effect and to grant long service intervals for a BMW 4er (G22/G23G26) 430d.
By using a K&N air filter, the power of a BMW 4er (G22/G23G26) 430d and increased fuel consumption can be reduced.