I leased this car Jan. 2 2025 and have now had multiple cracks on 3 out of 4 wheels on the car which has been repaired and now the right front wheel has been replaced with the tire and in the dealership again needing to replace the rear 2 wheels secondary to cracks with what BMW has told me that the front right tire needs to be replaced again which was recently replaced in april because of a cracked rim and the two rear wheels need to be replaced which I replaced the right rear wheel about 1 year ago. This is now 3 wheels and 3 tires that I have already replaced 2 tires and no impact event just normal commuting freeway driving to work and back home. In 1.5 years I had to now replace 3 wheels and the front right tire and rear right tire twice and now the left rear tire. This seems to be a pattern and I feel this car is not safe to drive. Its in the shop getting the rear two wheels replaced but if this has happened for just leasing it for 1.5 years. The question is when is this going to occur again and if it does is it going to cause me to have an accident to possibly hurt myself or somebody else on the road because of a wheel crack and loss of control especially when I am commuting with this car.
The worst 2024 BMW 840I problems
Ranked by number of owner complaints. Mileage and cost come from what owners wrote.
- Engine1
- Fuel system1
- Transmission1
- Wheels1
Problems by type
Tap a problem to see which part fails, at what mileage and in which other years.
- Engine1
- Fuel system1
- Transmission1
- Wheels1
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 2024 BMW 840I 20
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...
- Fan Return
- If the seat ventilation is deactivated via the switch or due to parking the vehicle, the fans in the seat...
- Upon opening and closing the tailgate, a creaking/groaning sound can be heard from tailgate actuator.
- Fittings return
- Delivery stop: suspension strut holder
- The Ethernet bus of the Body Domain Controller (BDC) is interrupted so that audio output, rear viewcamera,...
- During supplier production, the passenger sunvisor shaft may not have been fully pressed into the socket...
- A check control message or MIL (Malfunction Indicator Lamp) may be illuminated, with one or more of...
- No Bass or a cracking noise can be heard from the bass speakers.
What 2024 BMW 840I owners say
Most recent owner complaints, unedited.
While driving, the vehicle experienced a sudden catastrophic failure involving the engine and turbocharger, resulting in an immediate loss of power and the vehicle becoming disabled in an active roadway. The failure occurred without warning and required a response from the San Diego Police Department due to the vehicle being immobilized in traffic. This created a hazardous situation for the driver and surrounding vehicles. The vehicle had approximately 26,000 miles at the time of failure. The vehicle was later inspected by an authorized BMW dealership, which acknowledged the failure but attributed it to a non-OEM oil filter without providing any technical explanation or evidence showing causation. A sudden loss of power in a moving vehicle presents a significant safety risk, especially when it occurs without warning and leaves the vehicle stranded in traffic.
Compare the 2024 BMW 840I
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Questions about the 2024 BMW 840I
Is the 2024 BMW 840I reliable?
Owners have filed 2 complaints about the 2024 BMW 840I, fewer than a typical 840I model year.
What is the most common problem with the 2024 BMW 840I?
Engine and cooling, with 1 complaint. Next is fuel system (1).
How many recalls does the 2024 BMW 840I have?
2 recalls, covering power train and electrical system.
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