Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 2025 840i.
The 2025 BMW 840i is equipped with an automatic S8 transmission and achieves EPA fuel economy ratings of 21 mpg city, 29 mpg highway, and 24 mpg combined. This overview provides no further specifications on the vehicle's body, platform, or engine. Consequently, the model year's position within the 840i's reliability history is not indicated by the available data, meaning researchers must look to other sources for that assessment.
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 11427826799 |
| Engine air filter | 13718577170 |
| Spark plug | 12122455258 |
| Cabin air filter | 64115A1BDB6 alt 64115A29D99 |
Engine, drivetrain, dimensions and economy.
| Transmission | Automatic (S8) |
| EPA city / highway / combined | 21 / 29 / 24 mpg |
| Drivetrain | Rear-Wheel Drive |
| Recommended fuel | Premium Gasoline |
0–60 mph, quarter-mile, horsepower and torque from independent road tests.
Independent road tests for the 840i 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 | xDrive Gran Coupe (M Sport) 3.0L Turbo I-6 | 4.40 sec | 13.00 sec | 335 hp | AWD |
| 2020 | Gran Coupe (M Sport) 3.0L Turbo I-6 | 4.70 sec | 13.30 sec | 335 hp | RWD |
Owner-reported issues, recalls, investigations and service bulletins on record with NHTSA — an unfiltered look at what owners actually experience.
Showing 1 of 1 campaigns on record for this vehicle.
BMW of North America, LLC (BMW) is recalling certain 2020 340I, X6, 2020-2025 840I, 2020-2022 740LI, 2019-2020 X7, and X5 vehicles. After repeated attempts, the starter motor may overheat from an electrical overload. Remedy: Dealers will replace the engine starter, free of charge. This recall includes vehicles repaired under recall 24V576 and those owners will need to have their vehicle repaired…
Showing 5 of 5 bulletins on record with NHTSA.
| Bulletin | Date | Component | Summary |
|---|---|---|---|
| B010126 | 2026-05-06 | Engine | The EVAP systems purge (vent) valve limited warranty for defects in materials and / or… |
| B650426 | 2026-03-16 | Unknown Or Other | Customers may report issues with the alarm system not functioning correctly. These… |
| B521125 | 2025-08-21 | Electrical System | If the seat ventilation is deactivated via the switch or due to parking the vehicle, the… |
| B270220 | 2025-06-06 | Power Train | There is a jerking or shuddering during either or both of the following: Cornering or… |
| B520525 | 2025-02-28 | Electrical System | The customer states: The driver’s seat will not return to its last saved position. No… |
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 1 recall campaign(s) for this model year. Check your specific vehicle by VIN.
EPA figures are 21 city / 29 highway / 24 combined mpg.