The Air Filter is a core filtration component of the engine intake system. The SAYING SY-00025 Air Filter (corresponding to SogefiPRO SAF1075) carries original OE number 13 71 5 A1B C51; 13 71 5 A1B C47, with dimensions of 314*247*34 mm. It fits BMW applications, mainly covering the models listed below. This part cross-references to aftermarket equivalents such as MANN-FILTER C 32 328, MAHLE LX 6161; LX 4898/11 原配; LX 4898/10, FRAM None, 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 5 A1B C51; 13 71 5 A1B C47 |
| SAYING | SY-00025 |
| Sogefi | SAF1075 |
| MANN-FILTER | C 32 328 |
| MAHLE / KNECHT | LX 6161; LX 4898/11 原配; LX 4898/10 |
| FRAM | None |
| CHAMPION | None |