Problems owners report
Complaints filed with NHTSA about the 2017 BMW 340i, by the system named in each complaint. One complaint can name several.
- Unknown or other3
- Electrical system1
- Engine1
- Visibility1
NHTSA ODI complaints (public domain) · updated 23 Oct 2026 · 0 injuries and 0 deaths reported
Compared with other years
NHTSA ODI complaints by model year
Fuel consumption
Official Canadian test results for 5 variants: combined 9.6–10.5 L/100 km (about 22–25 mpg US), CO₂ 224–246 g/km.
| Variant | City | Highway | Combined |
|---|---|---|---|
| 340i · Compact · Premium gasoline | 11.1 | 7.8 | 9.6 |
| 340i xDrive · Compact · Premium gasoline | 11.4 | 7.8 | 9.8 |
| 340i xDrive Gran Turismo · Full-size · Premium gasoline | 11.9 | 8.1 | 10.2 |
| 340i · Compact · Premium gasoline | 12.2 | 8.2 | 10.4 |
| 340i xDrive · Compact · Premium gasoline | 12.2 | 8.5 | 10.5 |
Litres per 100 km. Natural Resources Canada, Fuel consumption ratings (open.canada.ca) · Open Government Licence – Canada
Recalls
No recall campaigns cover the 2017 BMW 340i.
Whether a recall was fixed on a particular car is known only to the manufacturer: check the VIN at nhtsa.gov/recalls.
NHTSA recalls · summaries in NHTSA's own words
Service bulletins
What BMW told its dealers about the 2017 BMW 340i: known faults, fixes and updates.
| Bulletin | Summary |
|---|---|
| 10249437 | The basic conditions for initializing the power windows are not met. |
| 10249027 | 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 discharged battery complaints. |
| 10245365 | PRESSURE CONTROL VALVE (PCV) EXTENDED LTD WTY 15 YEARS/150,000 MILES |
| 10245364 | DIESEL FUEL INJECTORS: LTD WTY EXTENSION TO 10 YEARS/120,000 MILES |
| 10238090 | After programming the head unit (HU-H2), activating the FSC (German word Freischaltcode) Enabling Codes repeatedly fails. |
| 10238081 | Upon opening and closing the tailgate, a creaking/groaning sound can be heard from tailgate actuator. |
| 10235205 | 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 in the mobile communication network. Due to a production error, the telematics control units were delivered without an IMS configuration. The Connected Drive voice services (Concierge Call, BMW Assistance, and emergency call voice) can no longer be used regionally in the US in vehicle with telematics control units ATM-1 and TCB-4G. Voice cont |
| 10235202 | Exterior rear lights do not work. |
| 10230722 | After an automatic engine start (MSA start), the transmission intermittently goes into the Park "P" or Neutral "N" position without any customer influence. |
| 10230717 | 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. |
| 10227568 | 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 currently be present. Or 2. ACSM fault code "930A1C - Front passenger seat occupancy detection transmitting fault(moisture)" is stored. The fault may or may not currently be present. |
| 10225128 | Due to a production error, the telematics control units were delivered without an IMS configuration. |
| 10215746 | 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-service date. |
| 10215031 | Shipping specific non-deployed vehicle safety devices to lighting resources, LLC |
| 10215026 | Covered under the terms of the BMW New Vehicle Limited Warranty for Passenger Cars and Light Trucks for |
| 10215025 | Shipping specific non-deployed vehicle safety devices to lighting resources, llc. This service Information bulletin provides information on shipping "specific" noin-deployed vehicle safety devices that are classified as Dangerous Goods (DG) to Lighting resources, LLC |
| 10214990 | 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, superseded the NBT HU and was introduced in 3/2014. This uses map North America EVO. The Headunit High 4 (HU-H4, also called MGU21) superseded the MGU starting with certain MY2021 vehicles with option code 6U3 Live Cockpit Professional. This uses map North America JOY. The ENTRY Media/Navigation (HU-B) is the low line business version of the navigati |
| 10214944 | Please return all part(s) to your facing Regional Distribution Center (RDC). Submit for return using a YR26 damage claim with order reason BM2. A valid BMW delivery and delivery item number must be entered, and TEC73 must appear in the text of your TEC claim. |
| 10214256 | 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. |
| 10212788 | 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. |
| 10212780 | 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 currently experiencing this problem. Customer Notification Letter Even though this is NOT a Recall, BMW NA is sending VIN-specific customer notification letters. The plastic fuel tank has two openings, one at the top right and the other at the top left. The top right opening (passenger's side, serviceable) provides a mounting point and rep |
| 10205068 | Customer may complain of reduced air flow when the air conditioning system is operated for an extended time, usually longer than 30 minutes. |
| 10203340 | Groaning, scraping, or squeaking noise coming from the steering wheel area in the interior of the vehicle,when turning the steering wheel. |
| 10203338 | The trunk lid/hatch does not open fully when unlatched with remote or hands-free operation. |
| 10200489 | 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. |
NHTSA manufacturer communications (public domain)
NHTSA investigations
EA21002 · Air bags:frontal:driver side:inflator moduleopened 17 Sept 2021
Desiccated Air Bag Inflator Rupture
NHTSA Office of Defects Investigation