The Air Filter is a core filtration component of the engine intake system. The SAYING SY-00011 Air Filter (corresponding to SogefiPRO SAF1011) carries original OE number 13 71 7 571 355, with dimensions of 276*261*34 mm. It fits BMW applications, mainly covering the models listed below. This part cross-references to aftermarket equivalents such as MANN-FILTER C 28 125, MAHLE LX 4075; LX 2525, FRAM CA11118, CHAMPION AF3917, HENGST E1051L, BOSCH 0986AF2937, WIX WA9661, serving the aftermarket replacement and maintenance demand for Air Filter. Manufactured under the Sogefi authorized system, SAYING delivers OE-equivalent quality with multi-brand cross coverage, helping service channels cover a wider vehicle range with lower inventory.
| Brand | Part No. |
|---|---|
| BMW (OE) | 13 71 7 571 355 |
| SAYING | SY-00011 |
| Sogefi | SAF1011 |
| MANN-FILTER | C 28 125 |
| MAHLE / KNECHT | LX 4075; LX 2525 |
| FRAM | CA11118 |
| CHAMPION | AF3917 |
| HENGST | E1051L |
| BOSCH | 0986AF2937 |
| WIX | WA9661 |