Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2021 BMW X7 xDrive50iFACTORY OEM SERVICE PROCEDURE
Quick Lookups: Fluids
| FLUID CAPACITIES | |||||||
|---|---|---|---|---|---|---|---|
| Fluid Type | Application | Standard | Metric | Fluid Spec | Note | S/H | |
| Air Cond Refrigerant | 4.4L Eng | 1.43 LBS. | 0.64 KG | R-134a Part No. 83 19 9 408 386. R1234yf Part No. 83 19 2 354 790 | The nameplate in the engine compartment indicates which refrigerant has been used. | S | |
| Automatic Transmission Fluid | 4.4L Eng | 9.88 QTS. | 9.34 L | BMW Automatic Transmission Fluid | S | ||
| Brake Fluid | N/A | N/A | BMW Brake Fluid DOT 4 with low viscosity | S | |||
| Engine Coolant | 4.4L Eng | High Temperature Coolant Circuit | 13.32 QTS. | 12.6 L | Frostox HT-12 antifreeze and corrosion inhibitor | S | |
| Engine Coolant | 4.4L Eng | LowTemperature Coolant Circuit | 5.72 QTS. | 5.41 L | Frostox HT-12 antifreeze and corrosion inhibitor | S | |
| Engine Oil | 4.4L Eng | 11.11 QTS. | 10.51 L | BMW TwinPower Turbo LL12FE 0W-30, BMW Part No. 83 21 2 365 951 | S | ||
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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