Ad-free. Influence-free. Powered by consumers.
Skip to Main ContentThe payment for your account couldn't be processed or you've canceled your account with us.
Re-activate
We expect the 2025 4 Series will have about average reliability when compared to the average new car. This prediction is based on data from 2024 model and the BMW brand score.
The Reliability score is based on our latest subscriber survey of 2019 BMW 4 Series owners. The owner comments describe problems respondents experienced with this vehicle.
Muffler, pipes, catalytic converter, exhaust manifold, heat shields, leaks.
"Water pump gasket leaking"
Anonymous, PR (2019 BMW 4 Series 430i 2.0-L 4 Cyl turbo)"The battery had to be replaced for the emergency call/notification feature, in case of an accident. It was very expensive, $900."
Anonymous A., KY (2019 BMW 4 Series 430i 2.0-L 4 Cyl turbo)AC compressor, blower (fan) motor, condenser, evaporator, heater system, automatic climate system, electrical failure, refrigerant leakage.
"Air conditioning didnt work. Shop discovered that there was no I refrigerant. They found the leak and fixed it"
Anonymous, CA (2019 BMW 4 Series 440i 3.0-L 6 Cyl turbo)Infotainment system (audio, GPS, phone), rear entertainment system, backup or other camera/sensors, head-up display.
"Amp stopped working and has to be replaced"
Anonymous, CA (2019 BMW 4 Series 440i 3.0-L 6 Cyl turbo)Paint (fading, chalking, peeling, or cracking), loose interior or exterior trim or moldings, rust.
"LED trim on door broke off and had to be replaced"
Anonymous A., (2019 BMW 4 Series 440i 3.0-L 6 Cyl turbo)Windows, locks and latches, doors or sliding doors, tailgate, trunk or hatch, mirrors, seat controls (power or manual), seat belts, sunroof, convertible top, glass defect.
"The leather used is very supple but it shows wear quickly compared to other vehicles."
Anonymous A., FL (2019 BMW 4 Series 440i 3.0-L 6 Cyl turbo)Transmission rebuild or replacement, torque converter, premature clutch replacement.
Gear selector and linkage, transmission computer, transmission sensor or solenoid, clutch adjustment, rough shifting, slipping transmission, leaks.
Squeaks, rattles, wind noises, seals and/or weather stripping, air and water leaks.
Accessory belts and pulleys, engine computer, engine mounts, engine knock or ping, fuel leaks, oil leaks.
Alternator, starter, hybrid battery replacement, hybrid battery related systems, regular battery, battery cables, engine harness, coil, ignition switch, electronic ignition, spark plugs and wires failure, auto stop/start.
Shocks or struts, ball joints, tie rods, wheel bearings, alignment, steering linkage (includes rack and pinion), power steering (pumps and hoses, leaks), wheel balance, springs or torsion bars, bushings, electronic or air suspension.
Driveshaft or axle, CV joint, differential, transfer case, four-wheel-drive/all-wheel-drive components, driveline vibration, electrical failure, traction control, electronic stability control.
Premature pad/rotor wear, pulsation or vibration, antilock system, parking brake, master cylinder, calipers, squeaking, brake failure, regenerative braking.
Radiator, cooling fan, water pump, thermostat, antifreeze leaks, overheating.
Cruise control, clock, warning lights, body control module, keyless entry, wiper motor or washer, tire pressure monitor, interior or exterior lights, horn, gauges, 12V power plug, USB ports, alarm or security system, remote engine start, heated or cooled seats, heated steering wheel, headlights, automatic headlights, automatic wipers, wireless charging pad.
Sensors (O₂, or oxygen, sensor), emission-control devices (includes EGR), fuel-injection system, fuel gauge/sender, fuel pump, problems filling up the tank.
Engine rebuild or replacement, cylinder head, head gasket, turbocharger or supercharger, timing chain or belt.
BMW 4 Series
Audi A5
Ford Mustang
Honda Civic
Mini Cooper
"Check valve within the gas tank failed, making fill-ups very difficult. This required replacement of the whole gas tank."
Anonymous, ON (2019 BMW 4 Series 440i 3.0-L 6 Cyl turbo)