Complaints over time
Complaints about the 2018 BMW 340I peaked in 2023, with 2 filed
Owner complaints about this model year, by the year they were filed with NHTSA.
Source: NHTSA ODI complaints file. The lighter column runs through October.
Model year
2018 BMW 340I
Sedan, gasoline, AWD/All-Wheel Drive, built in Germany. Owner complaints on file from Mar 8, 2021 to Oct 26, 2023.
Recall campaigns covering this model year15,309 vehicles or units across those campaigns
Owner complaints3Below the median 2018 sedan
Severity index33.32018 sedans average 6.6
First 24 months0Complaints in its first two years
Components
67% of complaints about the 2018 BMW 340I name engine and cooling
Owner complaints by component. Hover or focus a bar for the crash, fire, injury or death count.
Source: NHTSA ODI complaints file. A complaint can name more than one component; it is counted under the first.
Recalls
One recall campaign covers the 2018 BMW 340I
Check a specific vehicle by VIN on NHTSA's site: a campaign may cover only part of a model year's production.
| Campaign | Filed | Subject | Component | Vehicles | Remedy |
|---|---|---|---|---|---|
| 18V-465 | Jul 11, 2018 | Crankshaft sensor may be equipped with incorrect firmware, preventing the sensor from properly processing input from the crankshaft reluctor ring,… | Engine and cooling | 5,309 | Part replacement |
Source: NHTSA ODI recalls file.
Owner complaints
What owners reported about the 2018 BMW 340I
The full text of every complaint filed with NHTSA about this model year, newest first. Complaints are filed by owners and are not verified by NHTSA; NHTSA removes personal details before publishing.
3 complaints on file, page 1 of 1.
- Filed Oct 26, 2023Failure Oct 25, 2023San Marcos, TXEngine
The radiator failed due to rocks flying through the grill and smashing the radiator causing coolant to flow out of the radiator which could cause deadly issues if a car has no coolant while operating. Bmw knows this is an issue and refuses to warranty/recall the parts. They know its an issue because after 12/17 every 340i came with a rock guard to protect the radiator but every car before that was just left to be victim of a potentially deadly situation including mine (manufactured 10/17). Bmw refuses to acknowledge the problem but the addition of the rock guard to cars after 12/17 should be enough evidence to show they knew it was an issue. Now all 2016-2018 m sport f30 chassis built before 12/7 are susceptible to this deadly situation and bmw refuses to cover for any damages even though they know it's a serious issue and they won't even cover the rock guard
NHTSA complaint 11552110 - Filed Apr 22, 2023Failure Apr 3, 2023Broomfield, COFuel/propulsion system
Fuel Tank Filler Hose Collapse - unable to refuel and vehicle remains stranded.
NHTSA complaint 11518472 - Filed Mar 8, 2021Failure Jan 18, 202120,000 milesMorgan Hill, CAEngineFire
RETURNING FROM A LOCAL GROCERY STORE I DROVE INTO OUR GARAGE AND SHUT OFF THE ENGINE. IMMEDIATELY I HEARD A LOUD POP FROM THE ENGINE COMPARTMENT, LIKE FROM A FIRECRACKER, AND I SAW BLACK SMOKE COMING FROM THE HOOD AND FROM THE LEFT WHEEL WELL. I IMMEDIATELY TRIED TO RESTART THE CAR TO DRIVE OUT OF THE GARAGE. NOTHING WORKED SO I PUSHED THE CAR OUT OF THE GARAGE BY HAND AND RELEASED THE HOOD LATCH. BY NOW THE HOOD'S EXTERNAL SAFETY LATCH WAS SO HOT I COULD NOT RELEASE IT. WITH THE HOOD CLOSED, I WAS UNABLE TO EXTINGUISH THE ENGINE FIRE USING A 15 LB CO2 AND A 5 LB ABC EXTINGUISHER. THE CITY FIRE DEPARTMENT ALSO WERE UNABLE TO EXTINGUISH THE FIRE UNTIL THEY SAWED THE HOOD IN HALF. THE 2 1/2 YEAR OLD CAR WAS A TOTAL LOSS. A EXPERT FROM BMW OF NORTH AMERICA INSPECTED THE CAR REPORTING THAT WAS TOO MUCH DAMAGE TO DETERMINE THE FIRE'S CAUSE. BMW NA CALLED TO REPORT THE RESULT NOT THEIR INVESTIGATION AND SAY THAT NO WRITTEN REPORT WAS AVAILABLE, ONLY THE VERBAL VERBAL FONECON.
NHTSA complaint 11399787
Source: NHTSA ODI complaints file.
Investigations
1 NHTSA investigation on file
- EA21002 Engineering analysis, Airbags
Desiccated Air Bag Inflator Rupture
Opened Sep 17, 2021, still open
Source: NHTSA ODI investigations file.
Service bulletins
80 manufacturer communications cover this model year
Technical service bulletins and other notices the manufacturer sent to dealers. A bulletin is not a recall; the 60 most recent are listed.
- B010224 May 5, 2026 · Warranty Program/Extension
The EVAP systems purge (vent) valve limited warranty for defects in materials or workmanship has been extended to 15 years / 150,000 miles as determined from the original in-service date. - B510819 Jan 16, 2024 · Service Bulletin/Repair Instructions
The basic conditions for initializing the power windows are not met. - B611305 Jan 11, 2024 · Service Bulletin/Repair Instructions
The electrical system of BMW vehicles has been subject to an ongoing development process over the last few years. This has led to increased demands being placed on the battery. This document covers important information for the dealer on how to handle âdisc… - B120721 Nov 9, 2023 · Service Bulletin/Repair Instructions
Check Control message (CCM) indicates: (ID 213): Stop, exercising due care. Voltage supply The Service Engine Soon light is on with the following DME Fault Code: 21B209 - Starter alternator / belt for 48V system (OSA_RIEMEN_RISS): Belt betweenCombustion … - B011423 Nov 13, 2023 · Service Bulletin/Repair Instructions
PRESSURE CONTROL VALVE (PCV) EXTENDED LTD WTY 15 YEARS/150,000 MILES - B010919 Nov 16, 2023 · Service Bulletin/Repair Instructions
DIESEL FUEL INJECTORS: LTD WTY EXTENSION TO 10 YEARS/120,000 MILES - B651523 May 1, 2023 · Service Bulletin/Repair Instructions
After programming the head unit (HU-H2), activating the FSC (German word Freischaltcode) Enabling Codes repeatedly fails. - B514616 May 1, 2023 · Service Bulletin/Repair Instructions
Upon opening and closing the tailgate, a creaking/groaning sound can be heard from tailgate actuator. - B840822 Mar 1, 2023 · Service Bulletin/Repair Instructions
The 3G network in the US has been shut down. This means that only the 4G network will be available. In the 4G network, voice calls will be transferred via the Voice over LTE (VoLTE) function. For this purpose, the SIM card must perform an IMS registration i… - B630917 Mar 1, 2023 · Service Bulletin/Repair Instructions
Exterior rear lights do not work. - B122519 Dec 1, 2022 · Service Bulletin/Repair Instructions
After an automatic engine start (MSA start), the transmission intermittently goes into the Park "P" or Neutral "N" position without any customer influence. - B010919 Dec 1, 2022 · Service Bulletin/Repair Instructions
For the eligible vehicles, BMW of North America, LLC (BMW NA) is extending the limited warranty for the vehicle's Fuel Injectors to 10 years/120,000 miles as determined by the vehicle's original in-service date. - B650414 Oct 1, 2022 · Service Bulletin/Repair Instructions
According to the customer, the airbag warning light was on, but it may not be illuminated when the vehicle arrives in the workshop. 1. ACSM fault code "930A60 - Seat occupancy detection, front passenger; malfunction" is stored. The fault may or may not curr… - B840822 Sep 1, 2022 · Service Bulletin/Repair Instructions
Due to a production error, the telematics control units were delivered without an IMS configuration. - SIB011918 May 1, 2022 · Service Bulletin/Repair Instructions
Component specific limited warranty extension. For the eligible vehicles, BMW of North America, LLC (BMW NA) is extending the limited warranty for the vehicle Nitrogen Oxide (NOx) Sensor(s) to: 10 years/120,000 miles as determined by the vehicle original in… - SIB651312 May 1, 2022 · Service Bulletin/Repair Instructions
The Headunit High (HU-H), also called NBT, began replacing the Car Information Computer (CIC) on certain MY2013 vehicles with option 609 (as of 7/2012 production). This uses map North America NEXT. The Headunit High 2 (HU-H2), also called NBT-EVO, supersede… - B170121 Feb 1, 2022 · Service Bulletin/Repair Instructions
The quick disconnect coupling on the cylinder head coolant vent line could break at the cylinder head. This would lead to loss of coolant from the engine. - B170121 Apr 1, 2022 · Service Bulletin/Repair Instructions
The quick disconnect coupling on the cylinder head coolant vent line could break at the cylinder head. This would lead to loss of coolant from the engine. - B010722 Apr 1, 2022 · Service Bulletin/Repair Instructions
Component and Issue Specific Limited Emission Warranty Extension. This bulletin is notice of a limited emission warranty extension. This is NOT a notice of a Recall or Service Action. There is no immediate repair required unless the BMW vehicle is current… - B640613 Nov 1, 2021 · Service Bulletin/Repair Instructions
Customer may complain of reduced air flow when the air conditioning system is operated for an extended time, usually longer than 30 minutes. - B610721 Sep 1, 2021 · Service Bulletin/Repair Instructions
Groaning, scraping, or squeaking noise coming from the steering wheel area in the interior of the vehicle,when turning the steering wheel. - B511314 Sep 1, 2021 · Service Bulletin/Repair Instructions
The trunk lid/hatch does not open fully when unlatched with remote or hands-free operation. - B840221 May 1, 2021 · Service Bulletin/Repair Instructions
TELEMATICS UNIT RETROFIT TO 4G CELLULAR TECHNOLOGY: The discontinuation of 3G cellular communication for Combox, TCB 3G and ATM 3G (Telematics ControlModule) can no longer be supported by the cellular network provider starting February 2022. - B840121 May 1, 2021 · Service Bulletin/Repair Instructions
TELEMATICS UNIT DEACTIVATION DUE TO 3G CELLULAR TECHNOLOGY DISCONTINUATION: The discontinuation of 3G cellular communication for Combox, TCB 3G and ATM 3G (Telematics ControlModule) can no longer be supported by the cellular network provider starting Februa… - B840221 Jun 1, 2021 · Service Bulletin/Repair Instructions
The discontinuation of 3G cellular communication for Combox, TCB 3G and ATM 3G (Telematics ControlModule) can no longer be supported by the cellular network provider starting February 2022. The decision to phase out 3G network technology was made at the dis… - B610721 Jun 1, 2021 · Service Bulletin/Repair Instructions
Groaning, scraping, or squeaking noise coming from the steering wheel area in the interior of the vehicle, when turning the steering wheel. - B110120 Jun 1, 2021 · Service Bulletin/Repair Instructions
On rare occasions during an engine oil service, the BMW Original (Genuine) engine oil filter insert is either difficult to remove or breaks apart in the oil filter housing. - B110321 May 1, 2021 · Service Bulletin/Repair Instructions
B58 ENGINE: ENGINE OIL FILTER REMOVAL PROCEDURE AND TOOLS . A. For the B58 engines, a BMW Oil Catch special tool for use in conjunction with removing the engine oilfilter insert is now available. - B110321 May 1, 2021 · Service Bulletin/Repair Instructions
B58 ENGINE: ENGINE OIL FILTER REMOVAL PROCEDURE AND TOOLS . A. For the B58 engines, a BMW Oil Catch special tool for use in conjunction with removing the engine oilfilter insert is now available. - B121318 Feb 1, 2021 · Service Bulletin/Repair Instructions
COMBUSTION CONTROL VALVE LIFT AT IDLE: The vehicle will run rough or hesitate when accelerating from a stationary position. - B640613 Dec 1, 2020 · Service Bulletin/Repair Instructions
?A/C COOLING INTERMITTENT REDUCTION OF AIR FLOW: Customer may complain of reduced air flow when the air conditioning system is operated for an extended time, usually longer than 30 minutes. The evaporator starts to freeze up. - B640613 Dec 1, 2020 · Service Bulletin/Repair Instructions
?A/C COOLING INTERMITTENT REDUCTION OF AIR FLOW: Customer may complain of reduced air flow when the air conditioning system is operated for an extended time, usually longer than 30 minutes. The evaporator starts to freeze up. - B612315 Nov 1, 2020 · Service Bulletin/Repair Instructions
Low Washer Fluid Warning Light is illuminated when the Washer Fluid Tank is Full: Low Washer Fluid Warning Light is illuminated when the Washer Fluid Tank is Full.There are no faults stored in the system for the washer fluid level switch. - B611820 Sep 1, 2020 · Service Bulletin/Repair Instructions
BMW TURBOCORD PORTABLE EV 120 V/240 V CHARGER: The BMW-approved accessory TurboCord electric vehicle (EV) charger will not charge the vehicle. - B122219 Aug 1, 2020 · Service Bulletin/Repair Instructions
EME GROUND CONNECTION MONITORING FAULTS: Check Control message (CCM ID 794): "Drive. Check as soon as possible" illuminates. Increased ground cable contact resistance at Electrical Machine Electronics (EME) due to corrosion/oxidation. - B650709 Jul 1, 2020 · Service Bulletin/Repair Instructions
NAVIGATION SYSTEM - REPORTING MISSING OR INCORRECT ROADMAP DATA: Do not replace parts and do not program the vehicle. Roads can change by up to 15% every year. To ensure the best navigation experience, we do everything in our power to create the best maps. … - B610419 Jul 1, 2020 · Service Bulletin/Repair Instructions
VEHICLE DOES NOT START BATTERY TOTALLY DISCHARGED: The customer's vehicle does not start due to a totally discharged battery. - B340517 Jul 1, 2020 · Service Bulletin/Repair Instructions
TICKING NOISE WHILE CORNERING WITHOUT THE BRAKES APPLIED: Ticking noise coming from front wheel while cornering without brakes applied, noticeable at low speeds. The vehicle must be moving. - B610419 Jun 1, 2020 · Service Bulletin/Repair Instructions
VEHICLE DOES NOT START BATTERY TOTALLY DISCHARGED: The customer's vehicle does not start due to a totally discharged battery. - B610520 May 1, 2020 · Service Bulletin/Repair Instructions
CCM DISPLAYED "INCREASED BATTERY DRAIN" CAUSED BY CONTROLLER: A yellow CCM (Check Control Message) ID 415 is displayed- "Increased battery drain! // Battery. Electrostatic discharge at standstill / start engine. Energy management" The results of the Energy … - B130420 May 1, 2020 · Service Bulletin/Repair Instructions
TANK VENTILATION AND MIXTURE CONTROL FAULTS STORED IN THE DME: The Engine Malfunction Warning is illuminated and one or more of the following faults are stored in the DME. All models: FC 191C02 - Fuel tank ventilation system 2nd discharge point: malfunction… - B110120 May 1, 2020 · Service Bulletin/Repair Instructions
B58C AND B58M ENGINES ENGINE OIL FILTER INSERT IS DIFFICULT TO REMOVE - REMOVAL: On rare occasions during an engine oil service the BMW Original (Genuine) engine oil filter insert is either difficult to remove or breaks apart in the oil filter housing. The … - B840214 Apr 1, 2020 · Service Bulletin/Repair Instructions
CONNECTEDDRIVE/BMW ASSIST SYSTEM DIAGNOSIS INFORMATION: This Service Information Bulletin (Revision 7) replaces SI B84 02 14 dated May 2019. ConnectedDrive/BMW Assist features are partially or completely inoperative. This Service Information Bulletin: Is be… - B652214 Apr 1, 2020 · Service Bulletin/Repair Instructions
AUTOMATED ACTIVATION OF NAVIGATION SYSTEM DURING PDI/QC1: This Service Information Bulletin (Revision 2) replaces SI B65 22 14 dated October 2015. The INITIAL NAV enabling code no longer needs to be pre-ordered through the Parts department! When the vehicle… - B610520 Apr 1, 2020 · Service Bulletin/Repair Instructions
CCM DISPLAYED "INCREASED BATTERY DRAIN" CAUSED BY CONTROLLER: This Service Information Bulletin (Revision 1) replaces SI B61 05 20 dated February 2020. Electrostatic discharge at standstill / start engine. Energy management" The results of the Energy Diagno… - B513016 Apr 1, 2020 · Service Bulletin/Repair Instructions
TAILGATE UNINTENTIONALLY OPENS: This Service Information Bulletin (Revision 4) replaces SI B51 30 16 dated March 2018. Trunk/tailgate may open when vehicle is locked Trunk/tailgate may open while the vehicle is in motion usually after stopping such as a tra… - B340517 Apr 1, 2020 · Service Bulletin/Repair Instructions
TICKING NOISE WHILE CORNERING WITHOUT THE BRAKES APPLIED: This Service Information Bulletin (Revision 3) replaces SI B34 05 17 dated September 2017. Ticking noise coming from front wheel while cornering without brakes applied noticeable at low speeds. The v… - B121318 Apr 1, 2020 · Service Bulletin/Repair Instructions
DME FC 21A02D - COMBUSTION CONTROL: VALVE LIFT AT IDLE This Service Information Bulletin (Revision 3) replaces SI B12 13 18 dated September 2019. The vehicle will run rough or hesitate when accelerating from a stationary position. - B610520 Feb 1, 2020 · Service Bulletin/Repair Instructions
CCM DISPLAYED "INCREASED BATTERY DRAIN" CAUSED BY CONTROLLER. A yellow CCM (Check Control Message) ID 415 is displayed- "Increased battery drain! // Battery. Electrostatic discharge at standstill / start engine. Energy management" The results of the Energy … - B123314 Feb 1, 2020 · Service Bulletin/Repair Instructions
Fault Code 1D2008 Stored in DME: This Service Information Bulletin (Revision 5) replaces SI B12 33 14 dated February 2016. The Service Engine Soon light is on. There may also be a complaint of low heat output with lower outside temperatures. CAUSE During th… - B110120 Feb 1, 2020 · Service Bulletin/Repair Instructions
ENGINE OIL FILTER INSERT IS DIFFICULT TO REMOVE - REMOVAL: This Service Information Bulletin (Revision 1) replaces SI B11 01 20 dated February 2020. On rare occasions during an engine oil service the BMW Original (Genuine) engine oil filter insert is either… - B840416 Jan 1, 2020 · Service Bulletin/Repair Instructions
SOS MALFUNCTION DISPLAYED This Service Information Bulletin (Revision 1) replaces SI B84 04 16 dated September 2016. One or all the following may be experienced in the vehicle: An SOS malfunction is seen in the Kombi (aka instrument cluster) When pressing t… - B011319 Jan 1, 2020 · Service Bulletin/Repair Instructions
SIDE PANEL REAR LIGHT HOUSINGS: LTD WTY EXT TO 10 YEARS WITHOUT MILEAGE LIMIT: The rear light housing(s) can loosen/detach at the mounting tabs this can cause a clacking sound in the rear of the vehicle while driving. The plastic mounting tabs for the rear … - B120319 Dec 1, 2019 · Service Bulletin/Repair Instructions
ENGINE DOES NOT START BELOW FREEZING TEMPERATURES: Engine designation correction Parts availability Warranty. The engine will not start at temperatures below freezing. The starter does not turn and engage. - B612417 Jul 1, 2018 · Service Bulletin/Repair Instructions
STEERING WHEEL BUTTONS DO NOT FUNCTION RELIABLY: Sporadic or continuous malfunction of multifunction steering wheel buttons - B611118 Jul 1, 2018 · Service Bulletin/Repair Instructions
AFTER EXCHANGING THE FRONT ELECTRONIC MODULE (FEM), PROGRAMMING / ENCODING IS NOT POSSIBLE: After replacing the Front Electronic Module (FEM) for an applicable repair, programming / encoding is not possible. - B840918 Jul 1, 2018 · Service Bulletin/Repair Instructions
PHONE CONTACTS: HEADUNIT BASIC 2 SORTING ORDER: Improper sorting of phone contacts, in the on-board computer or in the Central Information Display (CID), upon connecting to the vehicle: - B840214 Jul 1, 2018 · Service Bulletin/Repair Instructions
CONNECTEDDRIVE/BMW ASSIST SYSTEM DIAGNOSIS INFORMATION: ConnectedDrive/BMW Assist features are partially or completely inoperative. - B651316 Jun 1, 2018 · Service Bulletin/Repair Instructions
COMPONENT PROTECTION ACTIVE. HEAD UNITS CANNOT BE SWAPPED BETWEEN VEHICLES FOR TESTING.: If either the head unit (NBT-EVO or ENTRY-NAV-EVO) or the Body Domain Controller (BDC) are swapped into a different vehicle they will cause the head unit to enter a loc… - B650709 Jun 1, 2018 · Service Bulletin/Repair Instructions
NAVIGATION SYSTEM: REPORTING MISSING OR INCORRECT ROAD MAP DATA: The route guidance is inaccurate and therefore irritating to the customer; or it is not possible to locate certain addresses, for instance:
Source: NHTSA manufacturer communications files.