4.4L Twin-Turbo V8•AWD•AUTOMATIC•gas•N63B44•turbo

Repairs0 Labor489 Torque2930 Fluid10 DTC2244 Battery1 Maintenance0 Recalls12

Fluid · Automatic Transmission

Automatic Transmission

for 2021 BMW X5 4.4L Twin-Turbo V8 · AWD

Fluid Type

ZF Lifeguard 8 ATF

Spec: ZF S671.090.255

Capacity

9.5qt

8.99 L

Drain & Refill

5 qt

4.73 L

Data quality

Book-style estimate

Not yet expert-verified. Have the real number? Correct it below — takes 30 seconds.

Notes

ZF 8HP75 transmission, lifetime fill but serviceable

Other fluid systems on this vehicle

A/C Refrigerant

Front Differential

Rear Differential

🔌 Need this data in your app? It's all in the free API →

🔧 Built by master technician Chris Hackleman · Master Technician · 20+ years. Spot an error? Use the Help link above — a human reads every report.

Stuck on this repair? Take it to The Diag Desk — ask a master tech about this exact car → real human answer within 24h, never AI

Share:X Reddit FB WhatsApp Threads Email

⚠ STILL BEHIND THE PAYWALL

The 2021 BMW X5 repair data is incomplete because no one has sponsored it yet. For $99, we generate the full step-by-step procedures, then fact-check them with a second AI pass and your expert review. Your name on every procedure, permanently.

The same data would cost $169/mo from Mitchell1 or $30/year from ALLDATAdiy — and you'd be renting access, not freeing it. Sponsor once, free forever.

Sponsor the BMW X5 — $99 →

Building an app?

Free API access to all this data — 10 requests/day, no card required.

Get an API key →

Run a shop?

Manage repairs, estimates, and customers with ShopBase — $249/mo, all features included.

Try ShopBase →