Purpose and Specifications

ZF LifeGuardFluid 6 (S671.090.253) is a premium automatic transmission fluid designed specifically for ZF 6HP 6-speed transmissions in passenger cars like BMW 3 Series and 5 Series. This 20-liter canister delivers smooth shifting, reduces vibrations, and protects components for longer life.

• Key Benefits: Flows easily down to -30°C for quick cold starts, stays stable up to 210°C+ to handle hot towing or traffic, cuts fuel use with optimized thickness.
• Practical Protection: Custom additives shield gears and clutches from wear, extending transmission service to 100,000+ km under normal driving.
• Proven Fit: Meets ZF ATFM1375.4 spec for perfect friction and comfort in demanding conditions.

When to Use / Replace?

Use this fluid for service or full flushes in ZF 6HP transmissions. Replace every 60,000-100,000 km or 4-5 years, or sooner if towing heavy loads or in extreme heat over 40°C. Shelf life is 5 years unopened when stored cool and dry.

Pro Tip: Always check your vehicle's service manual for exact intervals - proper fluid keeps shifts crisp and avoids costly repairs.

FAQ

Is ZF LifeGuardFluid 6 compatible with my BMW?
Yes, it's the factory-spec fluid for many BMW models with ZF 6HP transmissions from 2004-2013, ensuring smooth performance and warranty compliance.

Can I mix it with other ATF?
No, use only pure ZF LifeGuardFluid 6 to avoid shift issues or damage - full drain and refill recommended.

How much for a full change?
Typically 7-9 liters for most ZF 6HP units, so this 20L canister covers one full service plus extras.