Every 2021 BMW M340I recall
Each campaign as NHTSA published it: what is wrong, what can happen, and the fix. Newest first.
Seat Belts · NHTSA 23V584000
Aug 16, 2023Seat Belts
- Problem
- 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."
- Risk
- An audible chime that does not properly alert the driver to fasten their seat belt increases the risk of injury in a crash.
- Fix
- 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.
Full recall details for 23V584000 →Seats · NHTSA 23V211000
Mar 29, 2023Seats
- Problem
- 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.
- Risk
- An improperly welded seat frame may not properly restrain the occupant during a crash, increasing the risk of injury.
- Fix
- 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.
Full recall details for 23V211000 →Seat Belts · NHTSA 21V554000
Jul 21, 2021Seat Belts
- Problem
- 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, M235i xDrive), M2 Competition Coupe, 330i, 330i xDrive, M340i, M340i xDrive, M3, M3 Competition, 530i, 530i xDrive, 540i, 540i xDrive, MINI Hardtop 2 Door (Cooper, CooperS, JCW), X2 sDrive28i, X2 xDrive28i, X2 M35i, Z4 sDrive30i, Z4 M40i, MINI Hardtop 2 Door (Cooper SE), MINI Convertible (Cooper, Cooper S, JCW), MINI Clubman (Cooper S, Cooper S All4, JCW), MINI Countryman (Cooper, Cooper All4, Cooper S, Cooper S All4, JCW All4), Rolls Royce Ghost, MINI Countryman (Cooper S E All4), Rolls Royce Phantom, Rolls Royce Cullinan, and Toyota Supra vehicles. The passenger seat belt Automatic Locking Retractor (ALR) may deactivate early, before the webbing fully retracts. As such, these assemblies fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 208, "Occupant Crash Protection."
- Risk
- During a crash, a seat belt retractor that does not function as intended increases the risk of injury.
- Fix
- 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 1-888-270-9371 (Toyota).
Full recall details for 21V554000 →Seat Belts · NHTSA 21V298000
Apr 28, 2021Seat Belts:Front:Buckle Assembly
- Problem
- 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.
- Risk
- An improperly installed seat belt assembly may not restrain an occupant as expected, increasing the risk of injury.
- Fix
- 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.
Full recall details for 21V298000 →Back Over Prevention · NHTSA 21V096000
Feb 19, 2021Back Over Prevention: Sensing System: Camera
- Problem
- 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, 745Le, 745Le xDrive, X5 xDrive45e, X3 xDrive30e, X6 sDrive40i, X6 xDrive40i, X6 xDrive50i, X6 M50i, X6M, 530i, 530i xDrive, 540i, 540i xDrive, M550i xDrive, M5, 740i, 740Li, 740Li xDrive, M760i Drive, M760Li xDrive, 750Li xDrive Alpina, Alpina B7 xDrive, and 2021 4 Series Coupe 430i, 430i xDrive, M440i xDrive vehicles.
When shifting into Reverse, a small portion of the rearview image may be obscured, or the screen may not illuminate. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 111, "Rear Visibility."
- Risk
- 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.
- 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.
Full recall details for 21V096000 →Electrical System · NHTSA 20V761000
Sep 12, 2020Electrical System:12v/24v/48v Battery
- Problem
- 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 and the starter-generator may not have been assembled properly, which can cause increased electrical resistance at the connections.
- Risk
- Increased electrical resistance can increase the risk of a fire.
- Fix
- 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.
Full recall details for 20V761000 →
2021 BMW M340I complaints and service bulletins
Owners filed 11 complaints with NHTSA about the 2021 BMW M340I. BMW has issued at least 183 technical service bulletins (repair instructions to dealers) for this model year. Complaints are unverified owner reports; a recall is the manufacturer’s admission of a safety defect.
Most-reported components
- Engine7
- Power Train3
- Electrical System2
- Fuel/Propulsion System1
- Service Brakes1
- Steering1
Service bulletins by component
- Electrical System (78)
- Equipment (76)
- Structure (20)
- Engine and Engine Cooling (14)
- Equipment Adaptive/Mobility (14)
- Visibility (11)
Read BMW M340I owner complaints and bulletins, every year
NHTSA defect investigations covering the 2021 BMW M340I
NHTSA’s Office of Defects Investigation lists this model year in one investigation. An investigation is not a recall; it is how NHTSA decides whether one is needed.
What people reported
Owners have filed 11 complaints with NHTSA about the 2021 BMW M340I. A few in their own words, shortened. Complaints are unverified and are not proof of a defect or of any recall.
“I have been smelling a burning odor in the vehicle for almost a year which the dealership and an independent shop had not been able to diagnose. The car was recently throwing Drivetrain Error codes which prompted a visit to the dealership.”
2021 BMW M340IJul 2, 2026 · IN
Complaint filed with NHTSA, not verified by the agency · NHTSA complaint 11747887
“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.”
2021 BMW M340IJun 29, 2026 · IL
Complaint filed with NHTSA, not verified by the agency · NHTSA complaint 11747283
“I am reporting a safety concern involving BMW vehicles equipped with the B58 Technical Update (B58TU) engine, commonly found in model years 2019–2021.”
2021 BMW M340IMay 28, 2026 · AL
Complaint filed with NHTSA, not verified by the agency · NHTSA complaint 11740705
“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.”
2021 BMW M340IMay 18, 2026 · GA
Complaint filed with NHTSA, not verified by the agency · NHTSA complaint 11738468
“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.”
2021 BMW M340IMay 15, 2026 · MA
Complaint filed with NHTSA, not verified by the agency · NHTSA complaint 11738024
Check your M340I by VIN
Not every 2021 BMW M340I is in every recall. Enter your 17-character VIN to see the recalls on record for your exact vehicle, then confirm which are still open at NHTSA.gov or with any BMW dealer.
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