Reliable Auto DB

2022 BMW M340i reliability

Is it reliable?

NHTSA's file on the 2022 BMW M340i holds 7 complaints after 5 years, a rate of 1 per year. That is more complaints per year than most M340i years here — over the median of the other years, which is 1. NHTSA has 1 recall on file, including Seat belts.

2020 BMW M340i
Photo by Harvey Bold, resized from the original. Wikimedia Commons CC0
Complaints

7

Per year

1

Recalls

1

Years on the road

5

What owners report

The complaints owners file most often name Steering (2 of 7), then Air bags (1) and Electrical system (1).

Next to 2021 and 2023

The 2021 M340i has 11 complaints, 1 per year, and the 2023 has 0 complaints, 0 per year. The 2022 has fewer complaints per year than the 2021. The 2022 has more complaints per year than the 2023.

The complaint rate is complaints filed in this year’s first 3 years on the road, divided by however many of those years have passed. Recalls are a separate count. The numbers are for the US-market 2022 BMW M340i. How we count. Data as of .

Recalls (1)

Recall Seat belts 2023-08-16 · NHTSA campaign 23V584000
Summary BMW of North America, LLC (BMW) is recalling certain 2019-2022 330i, 330i xDrive, M340i, 2022 430i Coupe, 2021-2022 430i, M440i Convertible, and 2020-2022 228i xDrive Gran Coupe vehicles. The receiver audio module control unit software may fail to properly generate audible seat belt warnings to the driver to fasten their seat belt. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 208, "Occupant Crash Protection."
Remedy Dealers will update the receiver audio module software, free of charge. Owner notification letters were mailed October 12, 2023. Owners may contact BMW customer service at 1-800-525-7417.

Complaints by component (7 total)

Steering
2
Air bags
1
Electrical system
1
Engine
1
Powertrain
1
Service brakes
1
Suspension
1
Wheels
1
Crash-flagged

0

Fire-flagged

0

Injury reports

0

Death reports

0

Complaints filed per year

12022120231202542026
Excerpts from recent NHTSA complaint filings
  • "I was driving and going to pickup something from the store localy around like 8 pm, and suddenly my car's wheels stopped responding, and the sign's came up on the car of something like "impaired driving" , and the car…"
    Steering, Wheels · filed 2026-09-24
  • "The starter in my 2022 BMW M340I sedan was faulty after 54,000 miles. It began to take two attempts to start the vehicle each time and was at risk of not starting. The first attempt all electrical components would turn…"
    Electrical system · filed 2026-05-18
  • "The vehicle displayed a “Passenger Restraint System Malfunction” warning. Upon diagnosis by an authorized BMW dealership (Fields BMW, [XXX] ), the issue was identified as a faulty passenger knee airbag wiring harness…"
    Air bags · filed 2026-03-31
  • "On the day of purchase, while traveling at approximately 70mph on the Florida Turnpike, a large section of the lower dashboard assembly detached and fell onto my feet, obstructing access to the pedals., the vehicle…"
    Suspension, Powertrain, Unknown or other · filed 2026-02-05
  • "Water pump failure and coolant reservoir leak."
    Engine · filed 2025-03-13

Fuel economy

Trim Engine Transmission Drive City Hwy Combined Annual fuel cost
M340i Sedan 3L, 6-cyl Automatic (8-speed) Rear-wheel drive 23 32 26 MPG $3050
M340i xDrive Sedan 3L, 6-cyl Automatic (8-speed) All-wheel drive 23 32 26 MPG $3050

Specs and fitment

G20 generation, 2020–present
Body styles Sedan
Oil SAE 0W-20 (B58; confirm BMW LL spec on under-hood label)
Tire size 225/35R19, 225/40R18, 225/45R17, 255/30R19, 255/35R18 (trim-dependent; staggered) front / 255/30R19, 255/35R18 (trim-dependent; staggered) rear

Known issues for this generation

Recall 21V598000 covers certain 2020 M340i and M340i xDrive models (with 540i, X3 M40i, X4 M40i, 745Le, and other B58 applications) for an engine concern on that campaign list; dealers perform the remedy described in NHTSA's campaign text. Recall 20V355000 covers certain 2019-2020 M340i and M340i xDrive models (with Z4, X3M, X4M, and 330i xDrive) for a tie rod assembly that may fail. Recall 19V755000 covers certain 2020 M340i models (with 330i) where the interior trunk release cable may have been incorrectly routed.

Compare

Previous year 2021 BMW M340i See every BMW M340i model year →

Frequently asked questions

Is the 2022 BMW M340i reliable?

NHTSA's file on the 2022 BMW M340i holds 7 complaints after 5 years, a rate of 1 per year. That is more complaints per year than most M340i years here — over the median of the other years, which is 1. NHTSA has 1 recall on file, including Seat belts.

What are common problems with a 2022 BMW M340i?

The complaints owners file most often name Steering (2 of 7), then Air bags (1) and Electrical system (1).

Is the 2022 BMW M340i more reliable than the years next to it?

The 2021 M340i has 11 complaints, 1 per year, and the 2023 has 0 complaints, 0 per year. The 2022 has fewer complaints per year than the 2021. The 2022 has more complaints per year than the 2023.

Has the 2022 BMW M340i been recalled?

The 2022 BMW M340i has 1 recall on file with NHTSA. See the recalls table on this page for dates, components, and remedies.

How many complaints have owners filed about the 2022 BMW M340i?

Owners have filed 7 complaints about the 2022 BMW M340i with NHTSA.

What mpg does a 2022 BMW M340i get?

EPA-rated combined fuel economy for the 2022 BMW M340i is 26 MPG. See the fuel economy table on this page for city and highway figures by engine and transmission.

What engine oil does a US BMW M340i use?

SAE 0W-20 (B58; confirm BMW LL spec on under-hood label)

What tire sizes fit a US BMW M340i?

Published US specs commonly list front 225/35R19, 225/40R18, 225/45R17, 255/30R19, 255/35R18 (trim-dependent; staggered) and rear 255/30R19, 255/35R18 (trim-dependent; staggered); confirm on the door jamb placard for your trim.

What NHTSA recalls affect the US BMW M340i?

Recall 21V598000 covers certain 2020 M340i and M340i xDrive models (with 540i, X3 M40i, X4 M40i, 745Le, and other B58 applications) for an engine concern on that campaign list; dealers perform the remedy described in NHTSA's campaign text. Recall 20V355000 covers certain 2019-2020 M340i and M340i xDrive models (with Z4, X3M, X4M, and 330i xDrive) for a tie rod assembly that may fail. Recall 19V755000 covers certain 2020 M340i models (with 330i) where the interior trunk release cable may have been incorrectly routed.