Model year guide

2020 BMW 840I

Recalls, most-reported problems, crash-test ratings, fuel economy and what a 2020 BMW 840I is worth — from official NHTSA and EPA data. 10 on record.

2020 BMW 840I — representative photo
Representative photo

2020 BMW 840I at a glance

Safety recalls6
Combined23–25 mpg

Included: that car's specs and build sheet, model-year recall campaigns and a fair price.

2020 BMW 840I recalls 6

Power Train:driveline:driveshaft NHTSA Campaign #26V525000 · 12/08/2026

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.

Fix: 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-…

Electrical System:starter Assembly NHTSA Campaign #25V644000 · 25/09/2025

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.

Fix: 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. Ve…

Engine And Engine Cooling:engine:engine Control Module (ecu/ecm):software NHTSA Campaign #24V576000 · 01/08/2024

BMW of North America, LLC is recalling certain 2019-2020 X5, X7, 2020 3 Series Sedan, X6, 2020-2021 7 Series Sedan, 2020 8 Series Convertible, 8 Series Coupe, and 2020 8 Series Gran Coupe vehicles. Please see the recall report for the complete list of models. In the event the starter motor fails, repeated attempts to start the vehicle can cause the starter motor to overheat from an electrical overload.

Fix: Dealers will update the vehicle software, free of charge. Owner notification letters were mailed September 27, 2024. Owners may contact BMW customer service at 1-800-525-7417.

Back Over Prevention:software NHTSA Campaign #21V096000 · 19/02/2021

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 xDrive50i, X7 M50i, Alpina XB7, 330i, 330i xDrive, M340i, M340i xDrive, and 8 Series Coupe, Convertible and Grand Coupe, 840i, 840i xDrive, M850i xDrive, M8, 2020-2021 530e, 530e xDrive, 330e, 330e xDrive, …

Fix: 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 customer service at 1-800-525-7417.

Service Brakes, Hydraulic:power Assist:hydraulic NHTSA Campaign #21V062000 · 10/02/2021

BMW of North America, LLC (BMW) is recalling certain 2020-2021 8 Series Coupe, Grand Coupe and convertible 840i, 840i xDrive, M850i xDrive, M8 and 740 Li, 740 Li xDrive, 750 Li xDrive, M760 Li xDrive, X6 sDrive40i, X6 xDrive40i, X6 xdrive50i, X6 M50i, X6M, and 2019-2021 X5 sDrive40i, X5 xDrive40i, X5 xDrive50i, X5 M50i, X5M, X7 xDrive40i, X7 xDrive50i, X7 M50i, and 2021 M3, M3 Competition, M4 Coupe, M4 Competition C…

Fix: BMW will notify owners, and dealers will replace the integrated brake system, free of charge. Owner notification letters were mailed on May 25, 2021. Owners may contact BMW customer service at 1-800-525-7417.

Seat Belts:front:warning Light/devices NHTSA Campaign #20V164000 · 19/03/2020

BMW of North America, LLC (BMW) is recalling certain 2020 X3 xDrive30e, X4 xDrive30i, X4 M40i, X4M, 330i, 330i xDrive, M340i, 840i Gran Coupe, 840i xDrive Gran Coupe, M850i xDrive Gran Coupe, M8 Gran Coupe, X3 sDrive30i, X3 xDrive30i, X3 M40i, X3M, and 840i xDrive Convertible vehicles. The sensors in the front seat belt buckles may inaccurately detect a belted occupant as unbelted, possibly causing the air bag and s…

Fix: BMW will notify owners, and dealers will inspect and replace the front seat belt buckles, as necessary, free of charge. The recall began May 18, 2020. Owners may contact BMW customer service at 1-800-525-7417.

Source: U.S. NHTSA, checked 7 Nov 2026. A campaign covers the model year; to see whether a particular car still needs the repair, check its VIN on NHTSA.gov or ask a franchised dealer.

2020 BMW 840I MPG & running costs

Combined23–25 mpg
City21 mpg
Highway28 mpg
Est. annual fuel cost$3,458
EPA size classSubcompact Cars
TransmissionAutomatic (S8)
Forced inductionTurbocharged
Engine start-stopYes
Passenger volume100 cu ft
Cargo volume16 cu ft
5-yr fuel cost vs average new car$5,292 more

Source: U.S. EPA / DOE fueleconomy.gov. The EPA lists 6 versions of this model year; combined is shown as a range and the other figures are averages.

Estimated 5-year cost to own

A rough guide to what running a 2020 BMW 840I costs over five years and 75,000 miles.

Fuel (5 yrs)$17,290
Fuel only$17,290
Per mile$0.23

How this is estimated: fuel is the U.S. EPA annual cost at 15,000 miles a year. There aren't enough comparable listings to estimate depreciation for this model, so it is left out. Not included: insurance, maintenance, repairs, taxes, registration and finance costs. Treat it as a comparison guide, not a quote.

2020 BMW 840I vehicles on record

Other BMW 840I model years

2020 BMW 840I — frequently asked questions

Does the 2020 BMW 840I have any safety recalls?

NHTSA lists 6 recall campaigns for the 2020 BMW 840I. Whether an individual car still needs a recall repair depends on its VIN — check it on NHTSA.gov or ask a franchised dealer. Recall repairs are done at no charge.

What gas mileage does the 2020 BMW 840I get?

The 2020 BMW 840I has U.S. EPA estimates of 23–25 mpg combined, depending on engine and trim (6 versions).

Sources: NHTSA (recalls, complaints, crash tests), U.S. EPA (fuel economy). Vehicle data only — CarLogs never shows owner information.