4 Series (F32)
Data covers 9 NHTSA model names
Reliability Score
Complaints by Engine Code
2.0-I4-Gas
2.0L 4-cyl / 241 hpView details
Complaint Breakdown
3.0-V6-Gas
3.0L 6-cyl / 300 hpView details
Complaint Breakdown
BMW 4 Series Unidentified Engine
View details
Complaint Breakdown
Show 1 additional engine variant with limited data
B48B20
2.0L 4-cyl Turbo / 248 hpView details
Complaint Breakdown
Owner Complaints by System
Complaints owners filed with NHTSA about the BMW 4 Series, counted across every engine. A complaint can name more than one system.
What to check on a used 2014-2020 BMW 4 Series
On a used 2014-2020 BMW 4 Series, the systems with the most NHTSA owner complaints are the engine (148), the electrical system (96) and the cooling system (64). Each one has an inspection step below, with counts as of 2026-10-12. A complaint is an owner report, not a confirmed defect, and counts rise with sales.
- Start the engine cold and listen for the first 30 seconds, then again at idle once it is warm.Costly repair. NHTSA has 148 owner complaints on the 2014-2020 BMW 4 Series about the engine, all engines combined.
- Switch on every electrical item in turn: lights, windows, locks, wipers, climate fan, screen and power outlets.Costly repair. NHTSA has 96 owner complaints on the 2014-2020 BMW 4 Series about the electrical system.
- With the engine cold, check the coolant level and color, then watch the temperature gauge on the drive.Costly repair. NHTSA has 64 owner complaints on the 2014-2020 BMW 4 Series about the cooling system, all engines combined.
- Let the engine idle for five minutes, walk around the car and smell for fuel.Safety. NHTSA has 42 owner complaints on the 2014-2020 BMW 4 Series about the fuel system, all engines combined.
- Accelerate gently through every gear, then once at full throttle. Shift into Reverse and back to Drive.Costly repair. NHTSA has 32 owner complaints on the 2014-2020 BMW 4 Series about the transmission and drivetrain, all engines combined.
Recalls (15)
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 air bag inflator may fail at the weld joint, which can cause gas to leak from the inflator or result in an inflator rupture.
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.
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.
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.
BMW of North America, LLC (BMW) is recalling certain 2020-2021 M2 Coupe and 2020 M4 Coupe vehicles. Fuel injectors may have been installed without a damping component which is used to reduce vibration. If a damping component is not present, vibration will increase at the connection between the fuel line and the fuel rail, which over time, can result in damage at the connection.
Show 10 older recalls
BMW of North America, LLC (BMW) is recalling certain 2019-2020 230i, 230i xDrive, M240i, M240i xDrive, M2 Competition Coupe, 430i, 430i xDrive, 440i, 440i xDrive, M4, and 2019 330i xDrive Sportswagon vehicles. The driver and passenger knee air bag assemblies may have been improperly folded and assembled.
BMW of North America, LLC (BMW) is recalling certain 2016-2017 BMW M3 Sedans, 2016-2017 BMW M4 and M4 GTS Coupes and 2017 BMW M4 Convertible vehicles. The connection between the driveshaft and the flange may fail resulting in a loss of propulsion.
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.
BMW of North America, LLC (BMW) is recalling certain 2017 430i, 430i xDrive, 440i, 440i xDrive and M4 vehicles and Rolls-Royce Dawn vehicles. The affected vehicles have seat-mounted side air bag inflator initiators that may fail to ignite during a crash.
BMW of North America, LLC (BMW) is recalling certain model year 2017 BMW 640i, 640i xDrive, 650i, 650i xDrive, M6, 535i, 535i xDrive, 430i, 430i xDrive, 440i, 440i xDrive, M4, X1 sDrive28i, X1 xDrive28i, i3, i8, Rolls-Royce Dawn, Mini Clubman Cooper, Clubman Cooper S, Cooper All4, Cooper S All4, Mini 4-Door Cooper, Cooper S, Mini 2-Door Cooper, Cooper S, John Cooper Works and 2016 BMW 528i, 528i xDrive, 535i, 535i xDrive, 550i, 550i xDrive, M5 and 535d vehicles. The affected vehicles have seat- mounted side air bag inflator initiators that may fail to ignite during a crash.
BMW North America, LLC (BMW) is recalling certain model year 2016 BMW M2 Coupe vehicles, 2015-2017 M3 Sedan vehicles and 2015-2016 M4 Coupe and M4 Convertible vehicles. During servicing of the rear differential for a prior service action, the rear sub-frame bolts may have been reused instead of being replaced. Reuse of the existing bolts may cause the bolts to loosen.
BMW of North America, LLC (BMW) is recalling certain model year 2015-2016 M3 Sedan vehicles manufactured May 30, 2015, to September 2, 2015, 2016 M4 Coupe vehicles manufactured July 3, 2015, to September 11, 2015, and 2015-2016 M4 Convertible vehicles manufactured May 29, 2015, to August 4, 2015. The affected vehicles have a driveshaft with a slip-joint that may not have been filled with grease. As a result, the slip-joint may fail over time.
BMW of North America LLC (BMW) is recalling certain model year 2014 228i Coupe, M235i Coupe, 320i, 320xi, 328i, 328xi, 335i, 335xi, ActiveHybrid 3, 328xi Sports Wagon, 428i Coupe, 428xi Coupe, 435i Coupe, 435xi Coupe, 428i Convertible, 428xi Convertible, 435i Convertible, 328xi Gran Turismo, 335xi Gran Turismo, and 2015 428i Gran Coupe, 428xi Gran Coupe, and 435i Gran Coupe vehicles. Improper nickel plating of components within the fuel pump may result in the fuel pump failing.
BMW of North America, LLC (BMW) is recalling certain model year 2015 428i Convertible, 428i xDrive Convertible, 435i Convertible, and 435i xDrive Convertible vehicles manufactured October 22, 2014, to February 27, 2015. Due to a programming error, the driver's front air bag deployment timing may be incorrect. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) No. 208, "Occupant Crash Protection."
BMW of North America LLC (BMW) is recalling certain model year 2014 BMW 328i xDrive Sports Wagon, 2012-2014 BMW 320i Sedan, 328i Sedan, 320i xDrive Sedan, 328i xDrive Sedan, 2012-2013 BMW 528i Sedan, 528i xDrive Sedan, 2013-2014 BMW X1 sDrive28i, X1 xDrive28i Sports Activity Vehicle, 2013-2014 BMW X3 xDrive28i Sports Activity Vehicle, 2012-2014 BMW Z4 sDrive28i Roadster, and 2014 BMW 428i Coupe, and 428i xDrive Coupe. Due to insufficient lubrication, the vacuum pump that supplies brake power assistance may fail. Note: This recall is an expansion of recall 13V-454.
All Generations
Alternatives in Compact Coupe
Frequently Asked Questions
What are the most common 2014-2020 BMW 4 Series complaints?
Owners have filed 330 complaints with NHTSA about the 2014-2020 BMW 4 Series. The systems they name most often are the engine, the electrical system and the cooling system.
Is the 2014-2020 BMW 4 Series a good used car?
That depends on the model year, the mileage and the maintenance history of the car in front of you. Owners have filed 330 complaints with NHTSA about the 2014-2020 BMW 4 Series. Check which systems they name most often and whether a recall is still open on that car.
How many NHTSA complaints does the 2014-2020 BMW 4 Series have?
NHTSA has 330 owner complaints on file for the 2014-2020 BMW 4 Series as of the latest data pull. A complaint is an owner's report, not a confirmed defect, and counts rise with sales.
What recalls affect the 2014-2020 BMW 4 Series?
NHTSA lists 15 recalls covering some 2014-2020 BMW 4 Series vehicles. Which ones apply depends on the VIN: enter it at nhtsa.gov/recalls to see the open campaigns on a specific car.
What should I check before buying a used BMW 4 Series?
Run the VIN through NHTSA's recall lookup and confirm every open recall has been done. Look hardest at the engine, the electrical system and the cooling system, the systems owners complain about most. Ask for maintenance records, have an independent mechanic inspect the car and run a vehicle history report for prior accidents and title issues.
Does the 4 Series have NHTSA crash test ratings?
NHTSA has not published crash test ratings for the 2014-2020 BMW 4 Series. Not all vehicles are tested each year. For the latest NHTSA safety information, visit nhtsa.gov/ratings.
Data from NHTSA federal complaints database. 330 complaints analyzed. Data confidence: high. Last updated: 2026-10-12.