The 2018 BMW M4 is associated with 6 official NHTSA owner defect complaints and 1 safety recall campaign in the federal safety database. The most frequently reported component area is Fuel & Propulsion System, accounting for 4 reports (67% of total complaints). EPA testing covers 7 certified vehicle configurations spanning 3l 6-cyl powertrain configurations. Gasoline and hybrid variants deliver 19 to 23 MPG combined. Detailed NHTSA crash-test ratings are not available in the current AutoUtility dataset for this model year.

Key Data Findings
  • • NHTSA Owner Complaints: 6 reports
  • • Safety Recall Campaigns: 1 campaign
  • • Top Reported Defect Area: Fuel & Propulsion System (4 / 67%)
  • • NHTSA Overall Safety Rating: Not rated by NHTSA
  • • EPA Efficiency: 19–23 MPG (7 variants)
Data Note: Compiled directly from official NHTSA Office of Defects Investigation (ODI), NHTSA 5-Star Safety Ratings, and EPA FuelEconomy.gov databases.
Fuel Economy
19–23MPG
7 EPA certified variants (3l 6-cyl powertrain configurations)
Reported Complaints
6
6 submitted owner reports
Safety Recalls
1
1 official NHTSA recall
NCAP Safety Rating
Not rated by NHTSA

What is the fuel economy and range of the 2018 BMW M4?

Official EPA laboratory test ratings, electric driving range, and annual energy cost estimates by certified vehicle variant

Variant Engine Drivetrain Transmission City Highway Combined EV Range Est. Annual Fuel Cost
X3 M40i 3L 6-Cyl All-Wheel Drive Automatic (S8) 20 MPG 27 MPG 23 MPG — $3,300 / yr
X4 M40i 3L 6-Cyl All-Wheel Drive Automatic (S8) 18 MPG 25 MPG 21 MPG — $3,600 / yr
M4 Convertible 3L 6-Cyl Rear-Wheel Drive Manual 6-spd 17 MPG 25 MPG 20 MPG — $3,800 / yr
M4 Coupe 3L 6-Cyl Rear-Wheel Drive Manual 6-spd 17 MPG 25 MPG 20 MPG — $3,800 / yr
M4 Coupe 3L 6-Cyl Rear-Wheel Drive Automatic (AM-S7) 17 MPG 24 MPG 20 MPG — $3,800 / yr
M4 DTM Champions Edition 3L 6-Cyl Rear-Wheel Drive Automatic (AM-S7) 17 MPG 24 MPG 20 MPG — $3,800 / yr
M4 Convertible 3L 6-Cyl Rear-Wheel Drive Automatic (AM-S7) 16 MPG 22 MPG 19 MPG — $4,000 / yr
Data Boundary Note: EPA specifications are shown by certified vehicle configuration. NHTSA complaints and recall totals are recorded at the model-year level across all configurations.

What are the crash test safety ratings for the 2018 BMW M4?

Official 5-Star Safety Ratings evaluated by the National Highway Traffic Safety Administration

Tested Drivetrain / Cab Variant Overall Rating Frontal Crash Side Crash Rollover Rating Rollover Risk
C RWD —
2 DR RWD —
Active Driver Assistance Systems (NHTSA Recorded): Forward Collision Warning (FCW) is documented as Optional and Lane Departure Warning (LDW) is documented as Optional in official NHTSA records for tested 2018 BMW M4 models.
View complete 2018 BMW M4 crash test & safety breakdown →

What defect complaints are reported for the 2018 BMW M4?

Summary of 6 verified consumer defect submissions filed with the NHTSA Office of Defects Investigation (ODI)

Total Complaints
6
Crash Reports
0
Fire Reports
0
Complaints w/ Injury
0
Total Injuries
0

Top Reported Problem Categories

Ranked by total consumer complaint submissions recorded by NHTSA

Fuel & Propulsion System 4 complaints
Back Over Prevention / Camera 1 complaint
Engine 1 complaint

Data Attribution & Context: Complaints are self-reported by vehicle owners to NHTSA and represent unverified consumer submissions. Complaint volume does not equal a statistically controlled failure rate and is not adjusted for total vehicles sold or cumulative mileage driven.

View all 2018 BMW M4 problems & component breakdown (3 categories) →

Are there open safety recalls on the 2018 BMW M4?

Manufacturer safety recall campaigns monitored and recorded by NHTSA

NHTSA Campaign #17V507000 Active Recall
Affected Component: SEAT BELTS:FRONT

Defect Summary: 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 vehicle-sensitive locking mechanism housings.

Free Manufacturer Remedy: BMW will notify owners, and dealers will inspect and, if necessary replace, the front seat belt assemblies, free of charge. The recall began October 13, 2017. Owners may contact BMW customer service at 1-800-525-7417.
View all 2018 BMW M4 recalls & campaign history (1 campaigns) →
Official US Government Data Provenance

The specifications, safety ratings, defect reports, and recall campaigns published on this page are retrieved directly from official United States Government agency databases:

  • NHTSA Office of Defects Investigation (ODI): Consumer complaints and defect reports.
  • NHTSA New Car Assessment Program (NCAP): Frontal, side, and rollover 5-Star crash safety test ratings.
  • U.S. EPA / FuelEconomy.gov: Standardized multi-cycle dynamometer fuel economy, MPGe, and electric driving range ratings.

Local Production Store Compiled: August 2026 • Deterministic Audited Dataset • Zero Dynamic External API Runtime Latency.