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This BMC direct-fit replacement cylindrical air filter is specified for 2018+ Audi A6 (4A/C4) 40 TDI 2.0 applications and serves as a factory-style replacement element. It restores filtration and airflow characteristics for the listed diesel models without modification. The filter is a direct-fit service item intended to match the original filter’s form and function for easy replacement during routine maintenance.
BMC 2018+ Audi A6 (4A/C4) 40 TDI 2.0 DFBA Replacement Cylindrical Air Filter
