The Bosch mass air flow sensor measures airflow into the engine. It is an aftermarket replacement part used in the Audi A4 B5 and Audi A6 C5.

• Type: Mass air flow sensor
• Replacement part type: Aftermarket
• Recommended repair: Replace the air filter
• Compatibility: Audi A4 B5 (8D2), Audi A4 B5 Avant (8D5), Audi A6 C5 (4B2, 4B4), Audi A6 C5 Avant (4B5, 4B6)
• OE...