YearToAvoid

2018 BMW M3 Problems, Recalls & Reliability

Verdict

Avoid

Complaint Index

75/100

#4 most-complained of 13 M3 years

The 2018 BMW M3 has 9 owner complaints and 0 safety recalls on file with NHTSA. Its Complaint Index is 75 out of 100 — #4 highest of 13 M3 model years (verdict: Avoid). The most reported problem area is fuel system (6 complaints, 67% of the total). Complaints report 1 fire.

Complaints
9
Recalls
0
Crashes / fires
0 / 1
Injuries / deaths
0 / 0
NHTSA overall rating
Not rated
EPA combined MPG
20
17 city / 24 hwy

Top 2018 BMW M3 problems

NHTSA owner complaints by component group. Groups with 15+ complaints have their own page.

  1. Fuel System6 (67%)
  2. Engine2 (22%)
  3. Other2 (22%)
  4. Electrical System1 (11%)
  5. Transmission & Powertrain1 (11%)
2018 BMW M3 complaints: complaints filed per month2Apr 2019Dec 2019Jul 2023Aug 2023Oct 2023Jun 2024Aug 2024Aug 2026
12 complaints filed with NHTSA from Apr 2019 to Aug 2026; peak Dec 2019 (2).

2018 BMW M3 recalls

No safety recalls on record for this model year.

2018 BMW M3 fuel economy and fuel cost

City
17 MPG
Highway
24 MPG
Combined
20 MPG
Annual fuel cost (EPA)
$4,000
15,000 mi/yr
Fuel
Premium
Current regular gas
$4.32/gal
national avg.

EPA figures; median across configurations of this model year. Estimate your own cost with the fuel cost calculator.

2018 compared with other M3 years

Complaint Index by model year (0 = fewest issues, 100 = most)0255075100’10’11’12’13’14’15’16’17’18’21’22’23’25
Complaint Index: 0 = fewest issues, 100 = most, relative to other years of this model. Avoid Caution Good Best
YearVerdictIndexComplaintsRecallsMPG
2016Good335319.5
2017No verdict173219.5
2018Avoid759020
2021No verdict423319
2022No verdict81019

All BMW M3 years: best and worst →

Frequently asked questions

Is the 2018 BMW M3 a reliable year?
Judged by NHTSA owner complaints and recalls, the 2018 BMW M3 ranks #4 of 13 among M3 model years (Complaint Index 75/100, verdict: Avoid). It has 9 complaints and 0 recalls on file. This reflects reported safety-related problems, not an overall reliability rating.
What are the most common problems with the 2018 BMW M3?
The most reported problem areas are fuel system (6 complaints), engine (2 complaints), and electrical system (1 complaints). The median mileage at the time of failure in complaints that report it is 10,750 miles.
Does the 2018 BMW M3 have any recalls?
No safety recall campaigns list the 2018 BMW M3 in NHTSA’s recall database at the time of the last data update.
What is the fuel economy of the 2018 BMW M3?
EPA rates the 2018 BMW M3 at 20 MPG combined (17 city / 24 highway), with an estimated annual fuel cost of $4,000. Where several configurations exist, the median is shown.

Sources: NHTSA Office of Defects Investigation complaint and recall databases; U.S. EPA fuel economy data; NHTSA 5-Star Safety Ratings. Complaints are unverified owner reports.

Data updated Sep 24, 2026. Read the methodology and data sources. The Complaint Index is based on NHTSA owner complaints and recalls; it is not a reliability rating.