The contact owns a 2025 BMW 840I. While driving approximately 40–50 MPH, the vehicle experienced phantom braking. The contact suffered shoulder and neck pain but had not sought medical attention. The failure had occurred twice. The manufacturer was notified of the failure by phone. The failure mileage was approximately 17,000.
The worst 2025 BMW 840I problems
Ranked by number of owner complaints. Mileage and cost come from what owners wrote.
- Driver assistance1
Problems by type
Tap a problem to see which part fails, at what mileage and in which other years.
- Driver assistance1
Recalls 2
Power train: driveline: driveshaft
- What is wrong
- 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.
- Risk
- An unexpected loss of drive power can increase the risk of a crash. In addition, a damaged driveshaft can result in a vehicle rollaway if the parking brake is not applied, increasing the risk of a crash or injury.
- 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. Owner notification letters were mailed October 8, 2026. Owners may contact BMW customer service at 1‑800‑525‑7417. Vehicle Identification Numbers (VINs) involved in this recall will become searchable on beginning October 2, 2026.
Recall number 26V525000 · Recall details
Electrical system: starter assembly
- What is wrong
- 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.
- Risk
- An overheated starter motor can ignite nearby combustible material in the engine compartment, increasing the risk of a fire.
- 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. Owner notification letters were mailed February 9, 2026. Owners may contact BMW customer service at 1‑800‑525‑7417. Vehicle Identification Numbers (VINs) involved in this recall became searchable on November 17, 2025.
Recall number 25V644000 · Recall details
Technical service bulletins for the 2025 BMW 840I 5
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- The EVAP systems purge (vent) valve limited warranty for defects in materials and / or workmanship has...
- Customers may report issues with the alarm system not functioning correctly
- If the seat ventilation is deactivated via the switch or due to parking the vehicle, the fans in the seat...
- There is a jerking or shuddering during either or both of the following: Cornering or accelerating from...
- The customer states: The driver’s seat will not return to its last saved position
What 2025 BMW 840I owners say
Most recent owner complaints, unedited.
Compare the 2025 BMW 840I
Other model years
Questions about the 2025 BMW 840I
Is the 2025 BMW 840I reliable?
Owners have filed 1 complaint about the 2025 BMW 840I, fewer than a typical 840I model year.
What is the most common problem with the 2025 BMW 840I?
Driver assistance and stability, with 1 complaint.
How many recalls does the 2025 BMW 840I have?
2 recalls, covering power train and electrical system.
VIN decoder
See the problems and recalls for an exact car
Buying a used 2025 BMW 840I?
Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.
Check its history