Most common 2024 BMW 840i problems
Share of the 2 complaints; one complaint can involve more than one system. "~" is the median mileage when the problem started.
BMW 840i complaints by model year
Best 840i years: 2021, 2023. Compare all years →
2024 BMW 840i recalls (2)
Power train › Driveline › Driveshaft
BMW of North America, LLC (BMW) is recalling certain 2020-2026 840i, 840i xDrive, 2021-2023 540i, 540i xDrive, M550i xDrive, and 2024-2026 750e xDrive vehicles. The connection between the driveshaft and the rear differential may become damaged, possibly resulting in a loss of power to the rear wheels or a vehicle rollaway.
Remedy: Dealers will inspect the connection between the driveshaft and rear axle differential, and apply adhesive or replace the driveshaft and rear axle differential, as necessary, free of charge.
Electrical system › Starter assembly
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 again.
2024 BMW 840i engines & fuel economy
| Engine | Transmission | Drive | MPG city / hwy / combined |
|---|---|---|---|
| 3.0L 6-cyl turbo | 8-speed automatic | RWD | 21 / 29 / 24 |
| 3.0L 6-cyl turbo | 8-speed automatic | AWD | 21 / 29 / 24 |
EPA ratings. Class: Subcompact car.
Frequently asked questions
Is the 2024 BMW 840i a good car?
Based on 2 owner complaints filed with NHTSA, the 2024 840i rates few complaints: 1.5× as many complaints as a typical year of the 840i at the same age. Complaint counts don't account for sales volume or individual maintenance, so have any used car inspected before buying.
What is the most common problem with the 2024 BMW 840i?
The engine & cooling — 1 complaint, 50% of all complaints for this model year. Next are the fuel & propulsion system (1) and transmission & drivetrain (1).
How many recalls does the 2024 BMW 840i have?
There are 2 recalls for the 2024 BMW 840i, the most recent from August 12, 2026 (driveshaft). Recall repairs are free at any authorized dealer — check whether yours has been done with the VIN recall check.
What are the best and worst years of the BMW 840i?
The best years by complaints, compared at the same age, are 2021 and 2023. See the full BMW 840i years comparison.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.