ZF GETRIEBE LifeGuardFluid 8 (S671.090.312) genuine OEM automatic transmission fluid, 1-litre bottle, green colour. The official OEM-approved ATF for ZF 8HP transmissions — manufactured by ZF themselves and specified in BMW's own service documentation. Designed for BMW X3 F25 and all other ZF 8HP-equipped vehicles requiring genuine fluid for warranty-compliant service. ZF specifically validates only LifeguardFluid 8 for their 8HP gearbox family. Pair with ZF service kit 1087.298.364 for a complete genuine OEM service, or buy individually for top-ups.