Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 2021 X7.
The 2021 BMW X7 is a full-size luxury SUV equipped with an S8 automatic transmission and EPA-rated fuel economy of 15/21/17 mpg (city/highway/combined), representing BMW's flagship three-row offering within this model generation. With 36 total owner complaints recorded and 9 recalls during this model year, the vehicle falls within a complaint range that peaked at 52 issues in 2020 before trending downward toward a low of 4 complaints by 2026, suggesting gradual improvement in owner satisfaction over the vehicle's lifecycle. The dominant concern area identified across this period centers on powertrain-related issues, indicating a particular focus area for prospective buyers evaluating this model year. This trajectory toward improving reliability metrics positions the 2021 X7 as a model year where early concerns were being systematically addressed through subsequent updates, though the elevated recall count warrants due diligence during pre-purchase inspection.
Fluid capacities, tune-up values and fuel economy at a glance.
Replacement part sizes and factory part numbers — battery, bulbs, filters and belts.
From the factory this vehicle uses OE oil filter 11428583896. Each part links to every other vehicle that shares it, so a part you already stock may fit more of your fleet than you'd expect.
| Engine oil filter | 11428583896 alt 11428583897 |
| Engine air filter | 13718482641 alt 13718482642 |
| Spark plug | 12122455258 alt 12120057704 |
| Battery | 61215B3F325 alt 61217604808 |
| Front wiper blades | 61619466377 |
| Thermostat | 11538632664 alt 11539494425 |
| Cabin air filter | 64115A1BDB6 alt 64115A1BDB7 |
Engine, drivetrain, dimensions and economy.
| Transmission | Automatic (S8) |
| Overall length | 203.1 in |
| Overall width | 78.7 in |
| Overall height | 71.3 in |
| Wheelbase | 122 in |
| Curb weight | 5672 lb |
| Track (front / rear) | 66.1 / 66.9 in |
| Weight distribution (front / rear) | 51/49 |
| EPA city / highway / combined | 15 / 21 / 17 mpg |
| Drivetrain | All-Wheel Drive |
| Recommended fuel | Premium Gasoline |
0–60 mph, quarter-mile, horsepower and torque from independent road tests.
Independent road tests for the X7 of this era, listed by trim and engine — this page spans more than one engine, so no single horsepower figure is shown.
| Year | Trim / engine | 0–60 | ¼ mile | HP | Drivetrain |
|---|---|---|---|---|---|
| 2020 | M50i 4.4L Twin-Turbo V8 | 4.10 sec | 12.60 sec | 523 hp | AWD |
| 2020 | xDrive40i (Luxury) 3.0L Turbo I-6 | 5.60 sec | 14.20 sec | 335 hp | AWD |
| 2019 | xDrive50i 4.4L Twin-Turbo V8 | 4.60 sec | 13.20 sec | 456 hp | AWD |
| 2019 | xDrive50i 4.4L Twin-Turbo V8 | 4.70 sec | 13.20 sec | 456 hp | AWD |
| 2019 | xDrive50i 4.4L Twin-Turbo V8 | 4.80 sec | 13.30 sec | 456 hp | AWD |
| 2019 | xDrive40i (Luxury) 3.0L Turbo I-6 | 5.40 sec | 14.10 sec | 335 hp | AWD |
| 2019 | xDrive40i (Luxury) 3.0L Turbo I-6 | 5.50 sec | 14.10 sec | 335 hp | AWD |
| 2019 | xDrive40i (M Sport) 3.0L Turbo I-6 | 5.70 sec | 14.20 sec | 335 hp | AWD |
Capacities, torques and tune-up values from the factory service manual.
This engine BMW G5 Hypoid Axle Oil P/N 83 22 2 471 487 in the differential, DOT 4 brake fluid. Torque lug nuts to 103 ft-lbs, the oil drain plug to Use a new seal: 18.0 ft-lbs. The firing order is 1-5-4-8-6-3-7-2.
| Automatic Transmission Fluid | ATF3 |
| Automatic Transmission Fluid Capacity | 9.9 qt |
| Automatic Transmission Fluid | ATF3 |
| Automatic Transmission Fluid Capacity | 9.8 qt |
| Brake Fluid | DOT 4 |
| Brake Fluid | DOT 4 |
| Clutch Fluid | DOT 4 |
| Differential Gear Oil | BMW G5 Hypoid Axle Oil P/N 83 22 2 471 487 |
| Cylinder Head Instructions | Only use new bolts. |
| Cylinder Head Instructions | Only use new bolts. |
| Exhaust Manifold to Cylinder Head Bolts | Use new nuts only. 11.0 ft-lbs |
| Engine Oil Pan Drain Plug | Use new seal: 30.0 ft-lbs |
| Engine Oil Pan Drain Plug | Use a new seal: 18.0 ft-lbs |
| Oil Pump to Cylinder BLock Bolts/Studs | 168.0 inch lbs. ft-lbs |
| Oil Pump to Cylinder BLock Bolts/Studs | 18.0 ft-lbs |
| Differential Fill Plug | Final Drive: Use new plug: 44.0 ft-lbs |
| Differential Fill Plug | Final Drive: Use new plug: 44.0 ft-lbs |
| Lug Nuts | 103 ft-lbs |
| Transfer Case Fill Plug | Use a new plug: 44.0 ft-lbs |
| Transfer Case Drain Plug | 44.0 ft-lbs |
| Transfer Case Fill Plug | Use a new plug: 44.0 ft-lbs |
| Transfer Case Drain Plug | 44.0 ft-lbs |
| Cylinder Firing Order | 1-5-3-6-2-4 |
| Cylinder Firing Order | 1-5-4-8-6-3-7-2 |
| Refrigerant | R1234yf |
| Oil Group | PAG |
| Oil Type | 46YF |
| Brake Caliper Bolt to Carrier Torque | Front: NS, Rear: 26.0 ft-lbs |
| ABS Sensor Torque | 6.6 |
| Vented Rotor Minimum Thickness for Replacement | Front: 1.118", Rear: NS |
| 1 | Bolts 1-14 | 22 ft. lbs |
| 1 | 22.0 ft. lbs., Step 2: 90°, Step 3: 140° | 22 ft. lbs |
| 1 | M6 Screw | 7.4 ft. lbs |
Owner-reported issues, recalls, investigations and service bulletins on record with NHTSA — an unfiltered look at what owners actually experience.
The 2021 BMW X7 sits in a transitional dip within the generation's federal record: complaints fell to 36 from 52 in 2020 and recalls dropped to 9 from 12, while TSBs declined sharply to 290 from 354 the prior year. The improvement continued into 2022, which recorded only 18 complaints and 2 recalls, before metrics rose again in 2023 and 2024. The 2021 model year also logged one investigation — the first for the generation — though the data does not specify its scope or resolution. Top complaint categories for 2021 were Power Train and Engine (four each), Fuel/Propulsion System and Seats (three each), with two fire complaints and no crash reports. Compared to the 2019–2020 launch period, the 2021 shows meaningful progress, but it does not reach the low-water mark seen in 2022. For a used buyer, the 2021 is a reasonable choice, though the 2022 model year presents a cleaner federal record if available at a comparable price.
All 36 complaints on record, top 8 components.
Source: NHTSA Office of Defects Investigation complaint database.
Showing 2 of 9 campaigns on record for this vehicle.
BMW of North America, LLC (BMW) is recalling certain 2021 M340i xDrive, M440i xDrive Coupe, 530i, 530i xDrive, 540i, 540i xDrive, 740Li, 740Li xDrive, 840i Gran Coupe, 840i xDrive Gran Coupe, X5 sDrive40i, X5 xDrive40i… Remedy: BMW will notify owners, and dealers will inspect the connection between the 48-Volt battery and the starter-generator assembly, replacing it if necessary, free of charge. The…
BMW of North America, LLC (BMW) is recalling certain 2019-2021 X3 sDrive30i, X3 xDrive30i, X3 M40i, X3M, X4 xDrive30i, X4 M40i, M550i, X4M, X5 sDrive40i, X5 xDrive40i, X5 xDrive50i, X5M, X5 M50i, X7 xDrive40i, X7… Remedy: BMW will notify owners, and dealers will inspect the rearview camera software and update it if necessary, free of charge. The recall began April 16, 2021. Owners may contact BMW…
Showing 5 of 290 bulletins on record with NHTSA.
| Bulletin | Date | Component | Summary |
|---|---|---|---|
| B652724 | 2026-05-19 | Air Bags | A check control message (CCM) for the restraint system (Air bag) appears. In the… |
| B010324 | 2026-05-06 | Engine | The EVAP systems purge (vent) valve limited warranty for defects in materials or… |
| B640320 | 2026-05-04 | Structure | The center console and front cup holder get noticeably too warm to the touch on long… |
| B010325 | 2026-03-06 | Structure | The Radiator Grilles Lower Active Air Flap Assembly limited warranty for defects in… |
| B652724 | 2025-11-25 | Air Bags | A check control message (CCM) for the restraint system (Air bag) appears. In the… |
The most common OBD-II codes for this vehicle's emissions system. These are standardized SAE J2012 definitions, not vehicle-specific fault reports.
Decode factory build data for a specific vehicle by VIN.
Find every vehicle that shares this one's battery, bulbs, oil capacity, platform or parts.
Cross-vehicle references for the kinds of data on this page.
NHTSA lists 9 recall campaign(s) for this model year. Check your specific vehicle by VIN.
EPA figures are 15 city / 21 highway / 17 combined mpg.