Air filter Audi A6 C6 BKD (2.0 TDI) — Mann, Mahle, Filtron
Air filter for Audi A6 C6 BKD (2.0 TDIL, 2004–2011) — dimensions, Mann, Mahle, Filtron, WIX and Hengst part numbers, and replacement interval.
Technical Specifications
| Parameter | Value |
|---|---|
| Make / Model | Audi A6 C6 |
| Engine Code | BKD |
| Displacement / Fuel | 2.0 TDIL diesel |
| Production Years | 2004–2011 |
| Filter size | 312×181×50 mm |
| Replacement interval | 15 000 km |
Compatible Air Filters
| Brand | Part Number |
|---|---|
| Mann-Filter | Mann C28050/1 |
| Mahle / Knecht | Mahle LX1853 |
| Filtron | Filtron AP143 |
| WIX Filters | WIX WA6369 |
| Hengst | Hengst E812L |
Replacement Interval
Replace the air filter every 15 000 km or once a year, whichever comes first.
In urban environments with high dust levels, replace more frequently — every 10,000–12,000 km.
Signs of a Clogged Air Filter
- Increased fuel consumption of 5–10%
- Reduced acceleration performance
- Black smoke from the exhaust (diesel engines)
- Fault code P0171/P0174 (lean mixture) on petrol engines
- Visibly dark, dirty filter element on inspection
FAQ
Which air filter fits Audi A6 C6 BKD?
Mann Mann C28050/1, Mahle Mahle LX1853, Filtron Filtron AP143. Filter dimensions: 312×181×50 mm.
How often should the air filter be changed on Audi A6 C6?
Every 15 000 km or annually. On unpaved or dusty roads, replace every 8,000–10,000 km.
Can the air filter be cleaned instead of replaced?
Disposable paper filters (Mann C28050/1, Mahle LX1853) are not washable. Washing destroys the filter medium and compromises filtration. Always fit a new filter.
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