2018 BMW M4 Problems
- Complaints
- 6filed with NHTSA
- Median mileage
- 61,000miles, 1 complaints with mileage
- Recalls
- 1campaigns on record
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
- NHTSA crash rating
- —no overall rating published
- EPA fuel economy
- 20 mpgcombined, 3.0L 6-cyl RWD · 17 city / 25 hwy
Sources: NHTSA records for the 2018 BMW M4 (complaints, recalls, investigations), EPA fuel economy. Report an error
NHTSA recorded 6 consumer complaints for the 2018 BMW M4. The part named most often is fuel system, with 4 complaints (67% of the total), followed by back-over prevention (1) and engine (1). 1 of the complaints include a mileage, and 0% of those were filed for vehicles with under 50,000 miles; the median is 61,000 miles. NHTSA lists 1 recall campaign and 135 technical service bulletins for this model year. Fuel system complaints overlap with 2 technical service bulletins filed under the same part. Back-over prevention complaints overlap with 1 technical service bulletin filed under the same part.
This model year has fewer than 25 complaints on record, so the numbers below can change a lot with a few new reports.
Which parts are reported most
Complaints can name more than one part, so the counts add up to more than the total. Select a part to see its complaints, recalls and bulletins.
- Fuel system4 67%
- Engine1 17%
Example complaints
Fuel system: “The fuel tank was leaking a substantial amount of fuel. Yes it is. Our safety was put at risk due to the fuel leak. Any small spark, overheating or if somebody threw a cigarette butt out of their window could have ignited our car. BMW informed me to immediately cease driving the car and bring to the dealership right away. Problem was confirmed by dealership as stated on the attached invoice. No, no warning or indicator lights were present.”
NHTSA complaint #11611640, filed 2024-08Back-over prevention (rear camera): “The contact owns a 2018 BMW M4. The contact stated that while reversing, the rear-view camera became inoperable, preventing the contact from safely reversing the vehicle. The contact referenced NHTSA Campaign Number: 19V684000 (Back Over Prevention) as a possible cause for the failure; however, the VIN was not included in the recall repair. The dealer was notified of the failure. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was 61,000.”
NHTSA complaint #11757432, filed 2026-08, 61,000 milesMileage when problems were reported
0% of the 1 complaints with a mileage were filed for vehicles with under 50,000 miles; the middle half falls between 61,000 and 61,000 miles.
Complaints by year filed
Fewer than 15 complaints, too few for a reliable trend.
Fuel economy and running cost
EPA ratings for each 2018 BMW M4 version. Annual fuel cost is the EPA's estimate at its current fuel prices for 15,000 miles a year (55% city driving).
| Version | Engine | Transmission | City | Hwy | Comb. | Fuel / yr |
|---|---|---|---|---|---|---|
| M4 Convertible RWD | 3.0L 6-cyl | 6-speed manual | 17 | 25 | 20 | $4,100 |
| M4 Convertible RWD | 3.0L 6-cyl | 7-speed automatic | 16 | 22 | 19 | $4,350 |
| M4 Coupe RWD | 3.0L 6-cyl | 6-speed manual | 17 | 25 | 20 | $4,100 |
| M4 Coupe RWD | 3.0L 6-cyl | 7-speed automatic | 17 | 24 | 20 | $4,100 |
| M4 DTM Champions Edition RWD | 3.0L 6-cyl | 7-speed automatic | 17 | 24 | 20 | $4,100 |
Source: U.S. EPA and Department of Energy, fueleconomy.gov. Ratings are for comparing vehicles; real-world mileage varies with driving and conditions.
Recalls and investigations
- 17V507000Aug 16, 2017Seat belts › FrontCovers: BMW M4 2018, 440I 2018, 430I 2018
BMW of North America, LLC (BMW) is recalling certain 2018 430i, 430i xDrive, 440i, 440i xDrive, and M4 convertible vehicles. The Emergency Locking Retractors (ELR) within the front seat belt assemblies may have been produced with incompatible…
Recall details for the 2018 BMW M4 → · Check a VIN at nhtsa.gov/recalls
Technical service bulletins
TSBs are manufacturer notes to dealers about known repair procedures. They are not recalls and do not by themselves mean a vehicle has a fault. 135 on record; the latest 10 are shown.
- 11037501Sep 3, 2026Body and structure. The coverage period for qualifying lower rear side panel water drain repair that addresses the issues described in the Service Information Bulletin has been extended to 15 years / 150,000 miles, as…
- 11024227Sep 9, 2025Brakes. Protection Plate Return
- 11013041Jan 14, 2025Brakes. A turbine-like noise can be heard from the rear axle while deceleration during the first 300 miles of operation when braking from low speed.
- 10249027Jan 11, 2024Electrical system. 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…
- 10249016Jan 9, 2024Suspension. With the vehicle is on a lift and the front struts are in the extended position, there may be a cracking and orclicking type noise when turning the steering wheel left/right. See attached video V31…
- 10244237Oct 13, 2023Brakes. Functional noises (squealing/honking) when braking shortly before the vehicle comes to a stop. CAUSE Material-
- 10238090May 1, 2023Electrical system. After programming the head unit (HU-H2), activating the FSC (German word Freischaltcode) Enabling Codes repeatedly fails.
- 10238081May 1, 2023Body and structure. Upon opening and closing the tailgate, a creaking/groaning sound can be heard from tailgate actuator.
- 10235205Mar 1, 2023Electrical system, Equipment. 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…
- 10235202Mar 1, 2023Electrical system, Exterior lighting. Exterior rear lights do not work.
Other model years of the BMW M4
| Year | Complaints | Median mi | Recalls | Crash ★ | MPG | Score (50 = typical) | Trend |
|---|---|---|---|---|---|---|---|
| 2018 | 6 | 61,000 | 1 | — | 20 | — | Not enough data |
| 2016 | 22 | 33,000 | 3 | — | 19 | — | Falling |
| 2015 | 12 | 36,000 | 3 | — | 20 | — | Not enough data |
Frequently asked questions
How many NHTSA complaints does the 2018 BMW M4 have?
NHTSA recorded 6 consumer complaints for the 2018 BMW M4 as of Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
What part of the 2018 BMW M4 is reported most often?
Fuel system is named most often, in 4 complaints (67% of the total), followed by back-over prevention with 1.
Has the 2018 BMW M4 been recalled?
NHTSA lists 1 recall campaign for this model year. To check a specific vehicle, enter its VIN at nhtsa.gov/recalls.
What gas mileage does the 2018 BMW M4 get?
The EPA rates the 2018 BMW M4 (M4 Convertible, 3.0L 6-cyl) at 20 mpg combined, 17 city and 25 highway, with an estimated annual fuel cost of $4,100 at 15,000 miles a year. Other engine and drive versions are rated differently.
At what mileage are problems with the 2018 BMW M4 reported?
Among the 1 complaints that include a mileage, the median is 61,000 miles and the middle half falls between 61,000 and 61,000 miles; 0% were filed for vehicles with under 50,000 miles.
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate. Fuel economy is from the EPA and DOE (fueleconomy.gov).
Complaint counts come from NHTSA’s public complaint database; we count each complaint once. The source records for this vehicle are on nhtsa.gov. Scores and trends are our own summaries of that data, described in the methodology. This page is not legal, safety or repair advice: for a specific vehicle, check its VIN at nhtsa.gov/recalls and ask a qualified mechanic. See an error? Tell us.