BMW Secondary Air Injection Valve Gasket - Reinz 11727514860

The **Reinz Secondary Air Injection Valve Gasket** (Part Number: **REI-703407300**, OE Number: **11727514860**) is a critical component for maintaining your BMW's emissions system. Manufactured by Reinz, a trusted leader in automotive sealing solutions, this gasket provides a precise and durable seal for the Secondary Air Injection (SAI) check valve.

A worn or faulty SAI valve gasket can lead to exhaust leaks, vacuum leaks, and trigger "Check Engine" lights, often associated with P0410 or similar codes. Replacing it ensures your SAI system functions correctly, reducing cold start emissions and preventing performance issues. This high-quality Reinz gasket is engineered to meet or exceed original equipment specifications, guaranteeing a reliable fit and long-lasting performance.

It fits a wide range of BMW models including various Z3, 3 Series (E46), 5 Series (E39/E60), M3 (E46), X5 (E53), 7 Series (E66), and Z4 (E85) vehicles equipped with M52, M52TU, M54, N52, S54, and N73 engines from 1998 to 2008. Ensure optimal engine operation and environmental compliance with this essential Reinz sealing part.