RecallRepo

2021 BMW M340i Recalls

Recalls on record Updated July 2026

The 2021 BMW M340i has 6 NHTSA recall campaigns affecting an estimated 36,414 vehicles. Recall repairs are always free at any authorized dealer. Owners have filed 14 complaints with NHTSA, most often about the engine. Last updated July 5, 2026.

Recall campaigns

ELECTRICAL SYSTEM 23V584000 2023-08-16 144 affected
Defect

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…

Consequence

An audible chime that does not properly alert the driver to fasten their seat belt increases the risk of injury in a crash.

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.

SEATS 23V211000 2023-03-29 51 affected
Defect

BMW of North America, LLC (BMW) is recalling certain 2019-2021 330i, 330i xDrive, M340i xDrive, 2020-2021 X3 sDrive30i, X3 xDrive30i, X3 M40i, X3M, 2021 X3 xDrive30e, X4 xDrive30i, and X4M vehicles. The seat frame may not have been welded properly to the seat rails.

Consequence

An improperly welded seat frame may not properly restrain the occupant during a crash, increasing the risk of injury.

Remedy

Dealers will replace the seat frame and back rest, free of charge. Owner notification letters were mailed May 22, 2023. Owners may contact BMW customer service at 1-800-525-7417.

SEAT BELTS 21V554000 2021-07-21 21,537 affected
Defect

BMW of North America, LLC (BMW) is recalling certain 2021 2 Series (230i, 230i xDrive, M240i, M240i xDrive), 330e, 330e Xdrive, 4 Series Coupe (430i, 430i xDrive, M440i xDrive) M4 Coupe, M4 Competition Coupe, BMW 4 Series Convertible (430i, M440i), BMW X1 sDrive28i, xDrive28i, 2 Series Gran Coupe (228i, 228i xDrive,…

Consequence

During a crash, a seat belt retractor that does not function as intended increases the risk of injury.

Remedy

Dealers will inspect the seat belt retractors (including the seat belts) and, if necessary, replace the retractors, free of charge. Owner notification letters were mailed on September 3, 2021. Owners may contact BMW customer service at 1-800-525-7417; 1-866-825-1525 (MINI); 1-877-877-3735 (Rolls Royce); and…

SEAT BELTS 21V298000 2021-04-28 12 affected
Defect

BMW of North America, LLC (BMW) is recalling certain 2021 330i, 330i xDrive, M340i, M3, and 330e xDrive vehicles. The bolt securing the seat belt assembly to the frame was not tightened to specification.

Consequence

An improperly installed seat belt assembly may not restrain an occupant as expected, increasing the risk of injury.

Remedy

BMW will notify owners, and dealers will inspect the front seat belt buckle assembly connection and, if necessary, replace it, free of charge. Owner notification letters were mailed on June 25, 2021. Owners may contact BMW customer service at 1-800-525-7417.

BACK OVER PREVENTION 21V096000 2021-02-19 13,858 affected
Defect

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…

Consequence

If the driver relies on only the rearview camera image, the missing or reduced rearview image view can increase the risk of a crash or injury.

Remedy

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.

ELECTRICAL SYSTEM 20V761000 2020-12-09 812 affected
Defect

BMW of North America, LLC (BMW) is recalling certain 2021 M340i xDrive, M440i xDrive Coupe, 530i, 530i xDrive, 540i, 540i xDrive, 740Li, 740Li xDrive, 840i Gran Coupe, 840i xDrive Gran Coupe, X5 sDrive40i, X5 xDrive40i, X6 sDrive40i, X6 xDrive40i, and X7 xDrive40i vehicles. The connection between the 48-Volt battery…

Consequence

Increased electrical resistance can increase the risk of a fire.

Remedy

BMW will notify owners, and dealers will inspect the connection between the 48-Volt battery and the starter-generator assembly, replacing it if necessary, free of charge. The recall is expected to begin April 12, 2021. Owners may contact BMW customer service at 1-800-525-7417.

Complaints by component

ENGINE
6
POWER TRAIN
2
ELECTRICAL SYSTEM
1
FUEL/PROPULSION SYSTEM
1
POWER TRAIN:AUTOMATIC TRANSMISSION
1
SERVICE BRAKES
1
STEERING
1
SUSPENSION
1
Total complaints14

What owners report

Verbatim reports filed with NHTSA, lightly edited for readability and with personal information removed.

“The bmw b58tu oil pump thermoplastic component issue that can cause catastrophic failure to the engine. The the gen 1 oil pump was made from plastic and after issues were discovered, they switched to metal oil pumps. However this known issue is something that bmw has not addressed in the models…”

ENGINE · reported 2026-06-29

“I am reporting a safety concern involving bmw vehicles equipped with the b58 technical update (b58tu) engine, commonly found in model years 2019–2021. These vehicles utilize a variable-displacement engine oil pump containing an internal thermoplastic adjusting component responsible for…”

ENGINE · reported 2026-05-25

“Here’s a strong version that sounds frustrated but still credible and harder to dismiss: i’ve owned many vehicles over the years, and this bmw has been, without question, the most problematic car i’ve ever had. The list of issues has been absurd for a vehicle in this price range and from a…”

ELECTRICAL SYSTEM · reported 2026-05-18

“Here’s a strong version that sounds frustrated but still credible and harder to dismiss: i’ve owned many vehicles over the years, and this bmw has been, without question, the most problematic car i’ve ever had. The list of issues has been absurd for a vehicle in this price range and from a…”

FUEL/PROPULSION SYSTEM · reported 2026-05-18

“Here’s a strong version that sounds frustrated but still credible and harder to dismiss: i’ve owned many vehicles over the years, and this bmw has been, without question, the most problematic car i’ve ever had. The list of issues has been absurd for a vehicle in this price range and from a…”

POWER TRAIN · reported 2026-05-18

“I am reporting a safety concern with bmw vehicles equipped with the b58 technical update (b58tu) engine, primarily in 2019–2021 model years. These vehicles use a variable-displacement oil pump containing an internal thermoplastic adjusting component that regulates oil pressure. This plastic part…”

ENGINE · reported 2026-03-12

“I am reporting a safety concern involving bmw vehicles equipped with the b58 technical update (b58tu) engine, commonly found in model years 2019–2021. These vehicles utilize a variable-displacement engine oil pump containing an internal thermoplastic adjusting component responsible for…”

ENGINE · reported 2026-01-22

“Started as low creaking noise coming from front left wheel. Slow speeds, over small bumps. Over time (one month), creaking noises became louder and more frequent. At that time, steering was starting to feel stiff when turning to the left. Taken to 2 bmw dealerships who said it was just a noise and…”

SUSPENSION · reported 2025-10-08

Defect investigations

Investigation DP22005 Opened 2023-01-27 · closed 2023-08-07

Pedestrian alert sounds

NHTSA received a petition on or about July 18, 2022, requesting that Federal Motor Vehicle Safety Standard (FMVSS) 141 be applied to all electric and hybrid vehicles operating in the United States. The petition can be reviewed at NHTSA.gov under ODI Number 11486072. FMVSS 141 establishes performance requirements for…

Sources & methodology

Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL, FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 2021 BMW M340i as of July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page contains ads and affiliate links. Full methodology.