The Air Filter is a core filtration component of the engine intake system. The SAYING SY-00040 Air Filter (corresponding to SogefiPRO SAF1018/1) carries original OE number 13 71 8 581 691, with dimensions of 269*213*63 269/141*213/119*53/63 mm. It fits BMW applications, mainly covering the models listed below. This part cross-references to aftermarket equivalents such as MANN-FILTER C 27 331, MAHLE None, FRAM CA12848, CHAMPION None, 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 8 581 691 |
| SAYING | SY-00040 |
| Sogefi | SAF1018/1 |
| MANN-FILTER | C 27 331 |
| MAHLE / KNECHT | None |
| FRAM | CA12848 |
| CHAMPION | None |