2020 BMW M340i: raw data

Every record we hold for this vehicle, as plain tables, with nothing added. The consumer page shows the same records with the maintenance schedule, price ranges and nearby shops around them.

vehicle2020 / bmw / m340i
known issues4 clusters (reviewed 2026-08-29)
complaints53 on file (2020-04-28 → 2026-09-13)
recalls10
investigations0
farsnot identifiable in FARS
indexedyes
licenseCC BY 4.0 (derived)

Known Issues clusters all years →

Oil pump plastic internal component failureENGINE36 complaints2023-04 → 2026-08m340i-2020-oil-pump-plastic-failure
  • 11517782 The engine oil pump has failed. The part is available for inspection. The failed oil pump causes the engine to blow up, leaving oil and coolant behind on the road as hazards and causing our vehicle violently spin out on the road. The problem has been reproduced multiple times
  • 11748524 I am submitting this complaint regarding a potential safety defect involving the engine lubrication system on my 2020 BMW M340i with the B58 engine. The vehicle was purchased used from a single owner with low mileage and comprehensive maintenance records, with no indication of
  • 11646288 Oil pump manufacturing fault. One of the internal components on the oil pump for these B58 engines contains a ring that is made of plastic. Due to its the nature of this type of material, when it is heated and cooled, over time it becomes brittle and cracks. Damage to this
  • 11616542 Oil level won’t read. Can cause engine issues. Car has no dipstick to check for oil
Front tire sidewall bubbling and blowoutsTIRES2 complaints2020-04 → 2021-12m340i-2020-front-tire-sidewall-failure
  • 11322573 TL* THE CONTACT OWNS A 2020 BMW M340I, EQUIPPED WITH PIRELLI TIRES, TIRE LINE: P7 CINTURATO, TIRE SIZE 225/40/R19, DOT NUMBER: NOT AVAILABLE. THE CONTACT STATED THAT WHILE THE VEHICLE WAS AT AN INDEPENDENT MECHANIC FOR SUSPENSION INSPECTION, THE MECHANIC BECAME AWARE OF BUBBLES
  • 11443363 I have owned my 2020 BMW m340iX for 2 years. During that time I have had 5 tires blow out, including 3 in the past 3 months alone. The tires are "run flat" and need to be completely replaced if they develop any issues. The dealer I use for service, who is owned by the
Starter failure and no-start after recall repairELECTRICAL SYSTEM6 complaints2024-08 → 2026-02m340i-2020-starter-no-start-recall
  • 11629307 Engine starter was faulty resulting in repeated attempts to start the engine using excessively long starting attempts and warnings from my car of overheating. At a traffic light, my car went into auto-off and then shut down and I was unable to restart the car leaving me stuck at
  • 11611038 Starter went bad which lead to shortage within the lithium ion battery and regular battery. Car came to a stop and did not move in an intersection, blocking both lanes of traffic. Furthermore, car could not be put into neutral as it could not be started. There was smoke
  • 11610022 Brought my car in for a starter recall picked it up next day and drove home then came out to turn my vehicle on again and it wouldn’t start. Burning smell from engine bay as well. Returned the car they inspected it and told me a faulty starter. When I brought the car in it was
Exhaust smoke on startup or accelerationENGINE AND ENGINE COOLING2 complaints2025-12 → 2026-01m340i-2020-exhaust-smoke-startup
  • 11714559 The contact owns a 2020 BMW M340I. The contact stated that after an oil change was performed by an independent mechanic, there was a large amount of gray smoke coming from the exhaust pipe while accelerating from a complete stop. There was no warning light illuminated during the
  • 11707622 The contact owns a 2020 BMW M340I. The contact stated that upon starting the vehicle, the contact noticed a thick white smoke coming out of the exhaust pipes. In addition, the contact stated that there was an abnormal ticking sound coming from the engine while idling. There was

NHTSA complaints (summary) all years →

countearliest_datelatest_datecrash_flaggedfire_flaggedtop_components
532020-04-282026-09-1300ENGINE:38; UNKNOWN OR OTHER:9; ELECTRICAL SYSTEM:6; ENGINE AND ENGINE COOLING:4; FUEL/PROPULSION SYSTEM:3

Recalls all years →

campaign_numberreport_received_datecomponentsummaryconsequenceremedy
19V60000014/08/2019SEATSBMW of North America, LLC (BMW) is recalling one 2020 M340i and one M340i xDrive vehicle. Due to improper welding, the rear center headrest may fold in the event of a rear impact crash.If the headrest folds down in a crash, there would be an increased risk of injury.BMW will notify owners, and dealers will replace the rear center headrest, free of charge. The recall began August 28, 2019. Owners may contact BMW customer service at 1-800-525-7417.
21V09600019/02/2021BACK OVER PREVENTION: SENSING SYSTEM: CAMERABMW 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."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.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.
19V68400027/09/2019BACK OVER PREVENTION: SENSING SYSTEM: CAMERABMW of North America, LLC (BMW) is recalling certain 2018 540d, 2018-2020 530i, 530i xDrive, 540i, 540i xDrive, M550i xDrive, M5, 530e, 530e xDrive, X3 sDrive, X3 xDrive, X3 M40i, X3 M, and 2019-2020 X4 xDrive, X4 M40i, X4 M, X7 xDrive, X7 M50i, 740Li, 740Li xDrive, 750Li, 750Li xDrive, 8 Series Convertible and Coupe 840i, 840i xDrive, M850i xDrive, X5 sDrive, X5 xDrive, X5 M50i, X6 xDrive, X6 M50i, 330i, 330i xDrive, M340i, M340i xDrive, Z4 sDrive, Z4 M40i, 740Le xDrive and 745Le xDrive, 2018-2019 640i xDrive Gran Turismo and Rolls-Royce Phantom, 2019 M850i xDrive Gran Coupe and Rolls-Royce Cullinan and 2020 Toyota Supra vehicles. The back-up camera and display settings can be adjusted such that the rear view image is no longer visible and the system will retain that setting the next time the vehicle is placed in reverse. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 111, "Rearview Mirrors."The lack of an image in the back-up camera display increases the risk of a crash.BMW will notify owners, and dealers will update the back-up camera software, free of charge. The recall began November 8, 2019. Owners may contact BMW customer service at 1-800-525-7417 or Rolls-Royce at 1-877-877-3735. Toyota owners may contact Toyota customer service at 1-888-270-9371.
19V75500023/10/2019STRUCTURE:BODY:TRUNK LIDBMW of North America, LLC (BMW) is recalling certain 2020 330i, 330i xDrive and M340i vehicles. The interior trunk release cable may have been improperly installed, preventing the opening of the trunk from the inside. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 401, "Internal Trunk Release."If a person were inside the trunk compartment, they may not be able to get out, increasing their risk of injury.BMW will notify owners, and dealers will inspect the interior trunk release cable and properly install the cable, as necessary, free of charge. The recall began December 13, 2019. Owners may contact BMW customer service at 1-800-525-7417.
20V16400019/03/2020SEAT BELTS:FRONT:BUCKLE ASSEMBLYBMW 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 seat belt pretensioners to deploy improperly in the event of a crash.If the air bag and/or seat belt pretensioners deploy improperly in the event of a crash, there is an increased risk of injury to the driver and front passenger.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.
20V35500015/06/2020STEERING:LINKAGES:TIE ROD ASSEMBLYBMW of North America, LLC (BMW) is recalling certain 2019 Z4 sDrive30i, 2019-2020 330i xDrive, M340i and M340i xDrive, 2020 X3M and X4M, and Toyota Supra vehicles. In certain driving conditions, such as high temperatures and rough road surfaces, a steering gear tie rod may become damaged, possibly resulting in a fractured tie rod.A damaged or fractured tie rod may affect vehicle handling and control, increasing the risk of a crash.BMW and Toyota will notify owners, and dealers will replace the steering gear tie rods, free of charge. The recall began August 14, 2020. Owners may contact BMW customer service at 1-800-525-7417 or Toyota customer service at 1-888-270-9371.
21V59800002/08/2021ENGINEBMW of North America, LLC (BMW) is recalling certain 2020 M340i, M340i xDrive, 540i, 540i xDrive, X3 M40i, 2020-2021 X4 M40i, 745Le xDrive, 2019-2021 Z4 M40i, and 2020-2021 Toyota Supra vehicles. During engine start, the engine management software may cause loss of braking assist. Full mechanical braking (without assist) remains available.Loss of braking assist can increase the risk of a crash.Dealers will update the engine management software, free of charge. Owner notification letters were mailed on September 17, 2021. Owners may contact BMW customer service at 1-800-525-7417.
23V21100029/03/2023SEATSBMW 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.An improperly welded seat frame may not properly restrain the occupant during a crash, increasing the risk of injury.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.
23V58400016/08/2023SEAT BELTSBMW 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."An audible chime that does not properly alert the driver to fasten their seat belt increases the risk of injury in a crash.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.
24V57600001/08/2024ELECTRICAL SYSTEM:STARTER ASSEMBLYBMW 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.A starter motor that overheats can ignite nearby combustible material in the engine compartment, increasing the risk of a fire.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.

Investigations all years →

none listed

FARS occupant deaths all years →

not identifiable in FARS (absent, not zero)

Cite this

Derived data is CC BY 4.0. Link back to the page you used. Text and BibTeX below.

Wrench.Pro (2026). 2020 BMW M340i vehicle data [dataset]. https://www.wrench.pro/data/vehicles/2020/bmw/m340i
@misc{wrenchpro_2020_bmw_m340i_2026,
  author = {Wrench.Pro},
  title = {Wrench.Pro vehicle data: 2020 BMW M340i},
  year = {2026},
  howpublished = {\url{https://www.wrench.pro/data/vehicles/2020/bmw/m340i}},
  note = {Derived from NHTSA public records. CC BY 4.0.}
}

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