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The 2021 5 Series is less reliable than other cars from the same model year.
The Reliability score is based on our latest subscriber survey of 2021 BMW 5 Series owners. The owner comments describe problems respondents experienced with this vehicle.
Driveshaft or axle, CV joint, differential, transfer case, four-wheel-drive/all-wheel-drive components, driveline vibration, electrical failure, traction control, electronic stability control.
""Front Differential was "fried" after 70,000 miles. Wanted $12,000 to fix, but we negotiated to $2,500. I felt that a front differential should not fail in 70,000 miles.....""
Anonymous, CT (2021 BMW 5 Series 550i xDrive 4.4-L V8 turbo)Infotainment system (audio, GPS, phone), rear entertainment system, backup or other camera/sensors, head-up display.
"display goes blank until the car is restarted"
Anonymous A., MA (2021 BMW 5 Series 540i 3.0-L 6 Cyl turbo)"does not recognize verbal input 50% of the time"
Anonymous A., MA (2021 BMW 5 Series 540i 3.0-L 6 Cyl turbo)AC compressor, blower (fan) motor, condenser, evaporator, heater system, automatic climate system, electrical failure, refrigerant leakage.
"started this summer during heatwave. still looking for leak"
Anonymous, NY (2021 BMW 5 Series 540i xDrive Unsure)Engine rebuild or replacement, cylinder head, head gasket, turbocharger or supercharger, timing chain or belt.
Transmission rebuild or replacement, torque converter, premature clutch replacement.
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.
Premature pad/rotor wear, pulsation or vibration, antilock system, parking brake, master cylinder, calipers, squeaking, brake failure, regenerative braking.
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.
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.
Accessory belts and pulleys, engine computer, engine mounts, engine knock or ping, fuel leaks, oil leaks.
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.
Muffler, pipes, catalytic converter, exhaust manifold, heat shields, leaks.
Paint (fading, chalking, peeling, or cracking), loose interior or exterior trim or moldings, rust.
Radiator, cooling fan, water pump, thermostat, antifreeze leaks, overheating.
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.
Sensors (O₂, or oxygen, sensor), emission-control devices (includes EGR), fuel-injection system, fuel gauge/sender, fuel pump, problems filling up the tank.
BMW 5 Series
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"There was a noise when steering and this noise increased over several weeks."
Anonymous, CA (2021 BMW 5 Series M5 3.0-L 6 Cyl turbo)