The 2015 BMW 4 Series is associated with 91 official NHTSA owner defect complaints and 5 safety recall campaigns in the federal safety database. The most frequently reported component area is ENGINE AND ENGINE COOLING,ELECTRICAL SYSTEM, accounting for 23 reports (25% of total complaints). EPA testing covers 15 certified vehicle configurations spanning 2l 4-cyl and 3l 6-cyl configurations. Gasoline and hybrid variants deliver 23 to 27 MPG combined. Detailed NHTSA crash-test ratings are not available in the current AutoUtility dataset for this model year. The 2015 BMW 4 Series belongs to the 1st generation (F32/F33/F36) 4 Series platform spanning model years 2015–2020.

Key Data Findings
  • • NHTSA Owner Complaints: 91 reports
  • • Safety Recall Campaigns: 5 campaigns
  • • Top Reported Defect Area: ENGINE AND ENGINE COOLING,ELECTRICAL SYSTEM (23 / 25%)
  • • Safety Incident Signals: 11 crash / 4 fire / 7 injury reports
  • • NHTSA Overall Safety Rating: Not rated by NHTSA
  • • EPA Efficiency: 23–27 MPG (15 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
23–27MPG
15 EPA certified variants (2l 4-cyl and 3l 6-cyl configurations)
Reported Complaints
91
91 submitted owner reports
Safety Recalls
5
5 official NHTSA recalls
NCAP Safety Rating
Not rated by NHTSA

What is the fuel economy and range of the 2015 BMW 4 Series?

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
428i Coupe 2L 4-Cyl Rear-Wheel Drive Automatic (S8) 23 MPG 34 MPG 27 MPG — $2,800 / yr
428i Convertible 2L 4-Cyl Rear-Wheel Drive Automatic (S8) 23 MPG 33 MPG 26 MPG — $2,900 / yr
428i Gran Coupe 2L 4-Cyl Rear-Wheel Drive Automatic (S8) 23 MPG 33 MPG 26 MPG — $2,900 / yr
428i xDrive Gran Coupe 2L 4-Cyl All-Wheel Drive Automatic (S8) 22 MPG 32 MPG 26 MPG — $2,900 / yr
428i Coupe 2L 4-Cyl Rear-Wheel Drive Manual 6-spd 22 MPG 33 MPG 26 MPG — $2,900 / yr
428i xDrive Coupe 2L 4-Cyl All-Wheel Drive Automatic (S8) 22 MPG 32 MPG 26 MPG — $2,900 / yr
435i Gran Coupe 3L 6-Cyl Rear-Wheel Drive Automatic (S8) 21 MPG 31 MPG 25 MPG — $3,050 / yr
435i Coupe 3L 6-Cyl Rear-Wheel Drive Automatic (S8) 21 MPG 31 MPG 25 MPG — $3,050 / yr
428i xDrive Convertible 2L 4-Cyl All-Wheel Drive Automatic (S8) 21 MPG 32 MPG 25 MPG — $3,050 / yr
435i xDrive Gran Coupe 3L 6-Cyl All-Wheel Drive Automatic (S8) 20 MPG 30 MPG 24 MPG — $3,150 / yr
435i Convertible 3L 6-Cyl Rear-Wheel Drive Automatic (S8) 20 MPG 30 MPG 24 MPG — $3,150 / yr
435i Coupe 3L 6-Cyl Rear-Wheel Drive Manual 6-spd 20 MPG 29 MPG 24 MPG — $3,150 / yr
435i xDrive Convertible 3L 6-Cyl All-Wheel Drive Automatic (S8) 20 MPG 29 MPG 23 MPG — $3,300 / yr
435i xDrive Coupe 3L 6-Cyl All-Wheel Drive Automatic (S8) 20 MPG 30 MPG 23 MPG — $3,300 / yr
435i xDrive Coupe 3L 6-Cyl All-Wheel Drive Manual 6-spd 20 MPG 28 MPG 23 MPG — $3,300 / 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 2015 BMW 4 Series?

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

NHTSA 5-Star NCAP laboratory crash evaluations are not currently on file for the 2015 BMW 4 Series.

Active Driver Assistance Systems (NHTSA Recorded): Forward Collision Warning (FCW) is documented as Not Specified and Lane Departure Warning (LDW) is documented as Not Specified in official NHTSA records for tested 2015 BMW 4 Series models.
View complete 2015 BMW 4 Series crash test & safety breakdown →

What defect complaints are reported for the 2015 BMW 4 Series?

Summary of 91 verified consumer defect submissions filed with the NHTSA Office of Defects Investigation (ODI)

Total Complaints
91
Crash Reports
11
Fire Reports
4
Complaints w/ Injury
7
Total Injuries
9

Top Reported Problem Categories

Ranked by total consumer complaint submissions recorded by NHTSA

ENGINE AND ENGINE COOLING,ELECTRICAL SYSTEM 23 complaints
Engine 8 complaints
Air Bags 5 complaints (4 crashes)
Electrical System 5 complaints
Fuel & Propulsion System 4 complaints

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 2015 BMW 4 Series problems & component breakdown (32 categories) →

Are there open safety recalls on the 2015 BMW 4 Series?

Manufacturer safety recall campaigns monitored and recorded by NHTSA

NHTSA Campaign #24V608000 Active Recall
Affected Component: ENGINE AND ENGINE COOLING:COOLING SYSTEM:PUMP

Defect Summary: BMW of North America, LLC. (BMW) is recalling certain 2012-2015 X1 sDrive28i, X1 xDrive28i, 2012-2016 Z4 sDrive28i, 528i, 528i xDrive, 328i, 328xi, 2016-2018 X5 xdrive 40e, 2014-2016 228i, 228xi, 428i, 428i xDrive, 328xi Gran Turismo, 2013-2017 X3 sDrive28i, X3 xDrive28i, 2015-2018 X4 xDrive28i, 2015-2016 428xi vehicles. An improperly sealed electrical connector on the water pump may be exposed to water and short circuit.

Free Manufacturer Remedy: Dealers will inspect and replace the water pump and plug connector as necessary, and install a protective shield, free of charge. Owner notification letters were mailed on March 28, 2025. Owners may contact BMW customer service at 1-800-525-7417.
NHTSA Campaign #24V527000 Active Recall
Affected Component: AIR BAGS:FRONTAL:DRIVER SIDE:INFLATOR MODULE

Defect Summary: BMW of North America, LLC (BMW) is recalling certain 2015 6 Series Gran Coupe, 2014 5 Series Gran Turismo, 2014 5 Series Sedan, 2015 6 Series Convertible, 2015 6 Series Coupe, 2014 X5, 2013-2014 X3, 2014-2015 3 Series Sedan, 2014 4 Series Coupe, 2014 4 Series Convertible, 2014 3 Series Gran Turismo, and 2015 4 Series Gran Coupe vehicles. Please see the recall report for the complete list of models. The driver's air bag inflator may explode during deployment, due to a manufacturing defect.

Free Manufacturer Remedy: The driver's front air bag will be replaced, free of charge. Owner notification letters were mailed September 6, 2024. Owners may contact BMW customer service at 1-800-525-7417.
NHTSA Campaign #24V288000 Active Recall
Affected Component: AIR BAGS:SIDE/WINDOW

Defect Summary: BMW of North America, LLC (BMW) is recalling certain 2014-2015 2 Series Coupe (228i, 228i xDrive, M235i), 3 Series Sedan (320i, 320i xDrive, 328i, 328i xDrive, 335i, 335i xDrive, M3, 328d, 328d xDrive), 4 Series Coupe (428i, 428i xDrive, 435i, 435i xDrive, M4), and 2015 4 Series Gran Coupe (428i, 428i xDrive, 435i, 435i xDrive) vehicles. The head air bag inflator may fail at the weld joint, which can cause gas to leak from the inflator or result in an inflator rupture.

Free Manufacturer Remedy: Dealers will replace the head air bags, free of charge. Owner notification letters were mailed November 4, 2024. Owners may contact BMW customer service at 1-800-525-7417.
View all 2015 BMW 4 Series recalls & campaign history (5 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.