If you are checking a used BMW 4 Series, this hub is the starting point. It is built to gather the practical questions a buyer or owner actually has: what usually goes wrong, which year windows deserve caution, what warning signs matter, and what to check before money changes hands.
The BMW 4 Series is tracked here as a luxury coupe/convertible coverage hub. This page is a researched coverage page, not a final reliability verdict. Specific defect claims should come from sourced child pages, not guesswork.
Before buying or ignoring symptoms, verify open recalls by VIN, scan for stored OBD codes, check service history, and use any linked CarFaultIQ fault or symptom pages to decide the next practical step.
Official evidence for this model
Coverage below spans the explicitly mapped model years. Records do not apply to every model year or configuration.
US safety recalls
27 distinct official identifiers · US
Campaigns matched to recorded model years. Only an official VIN check can confirm whether an individual vehicle is affected.
- 26V438000 — model years 2023, 2024
BMW of North America, LLC (BMW) is recalling certain 2023-2024 Toyota Supra, 2022-2025 2 Series Coupe, 2021-2023 5 Series, 2022-2026 Z4, 2023-2024 4 Series Gran Coupe, 4 Series Convertible, 4 Series Coupe, 3 Series, 2021-2025 X4, and 2021-2024 X3 vehicles. Please see the recall report…
- 26V056000 — model years 2021, 2022, 2023, 2024
BMW of North America, LLC (BMW) is recalling certain 2021-2023 Toyota Supra, 2022-2023 2 Series Coupe, 2021-2024 5 Series (xDrive), 2021-2022 Z4, 2022-2024 4 Series (Gran Coupe), 2021-2024 4 Series (Convertible and xDrive Convertible), 2021-2023 4 Series (Coupe), 2021-2024 3 Series, 2021-2023 X4, 2021-2024 X3…
- 25V871000 — model years 2014
BMW of North America, LLC (BMW) is recalling certain 2014 4 Series Coupe (428i, 428i xDrive, 435i, 435i xDrive), 3 Series Sedan (320i, 320i xDrive, 328i, 328i xDrive, 335i, 335i xDrive), and 2014-2015 2 Series Coupe (228i, 228i xDrive, M235i, M235i xDrive) vehicles. The head…
Manufacturer communications / TSBs
741 distinct official identifiers · US
Manufacturer service communications are not safety recalls and do not prove that every vehicle has the described condition.
- 11036389 — model years 2026
The protective film which covers the 6 threaded connection holes on the DSC hydro unit may not have been completely removed before the brake line was fastened. This can lead to a gradual loss of brake fluid at the threaded connection. As a result, the…
- 11035402 — model years 2024
A “whistling” noise is heard from the centerconsole/instrument panel when using theheating and air conditioning (HVAC) system. Heard with the blower motor set tospeed 2 or above Noise goes away on high blower speed Noise is loudest with the vents on theback of the center…
- 11035404 — model years 2024
The Central Information Display (CID) side of the Multifunction Display (MFD) may flicker intermittently. Theflickering manifests itself in three phases: The image is distorted The central information display turns black (black screen) The image is OK again The complete flickering episode with all the above-mentioned…
US defect investigations
2 distinct official identifiers · US
An investigation records a regulator review of a suspected defect. It is not automatically a finding or a recall.
- DP22005 — model years 2021, 2022
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…
- EA21002 — model years 2014, 2015, 2016, 2017, 2018, 2019
From 2000 through 2017, Takata produced millions of air bag inflators using two types of phase-stabilized ammonium nitrate ("PSAN") propellant -- propellant 2004 and propellant 2004L. After prolonged exposure to high temperature cycles and humidity, inflators using propellant 2004 can degrade, causing the propellant to…
Canadian recalls
30 distinct official identifiers · CA
Canadian-market records remain separate from US campaigns. Confirm applicability with Transport Canada and the manufacturer.
- 2026331 — model years 2023, 2024
Multiple source assertions are retained for this identifier. Consult the official record for configuration-specific details.
- 2026285 — model years 2021
Multiple source assertions are retained for this identifier. Consult the official record for configuration-specific details.
- 2026040 — model years 2021, 2022, 2023
Multiple source assertions are retained for this identifier. Consult the official record for configuration-specific details.
US owner complaint reports
351 distinct reports · US
Distinct ODI complaint identifiers, deduplicated across component and product rows. Reports are allegations, not confirmed defects, failure rates or reliability scores.
- ELECTRICAL SYSTEM: 111 reports
- ENGINE: 84 reports
- ENGINE AND ENGINE COOLING: 71 reports
A report can name several components. Do not add component totals together.
Evidence is served from a locally stored official-source snapshot. No external API is called to render this page. These records do not replace inspection or diagnosis. Contains information licensed under the Open Government Licence – Canada.