Noises/Leaks
Squeaks, rattles, wind noises, seals and/or weather stripping, air and water leaks.
What Owners Say
"Water pump was leaking coolant. Had it replaced in March of 2025."
Anonymous A., CA (2017 BMW 3 Series 330i 2.0-L 4 Cyl turbo)The 2017 3 Series is more reliable than other cars from the same model year.
The Reliability score is based on our latest subscriber survey of 2017 BMW 3 Series owners. The owner comments describe problems respondents experienced with this vehicle.
Squeaks, rattles, wind noises, seals and/or weather stripping, air and water leaks.
"Water pump was leaking coolant. Had it replaced in March of 2025."
Anonymous A., CA (2017 BMW 3 Series 330i 2.0-L 4 Cyl turbo)Sensors (O₂, or oxygen, sensor), emission-control devices (includes EGR), fuel-injection system, fuel gauge/sender, fuel pump, problems filling up the tank.
"Catalytic converter was failing. Had to replace it."
Anonymous A., CO (2017 BMW 3 Series 340i xDrive 3.0-L 6 Cyl turbo)AC compressor, blower (fan) motor, condenser, evaporator, heater system, automatic climate system, electrical failure, refrigerant leakage.
"AC & heat dont work well"
Anonymous, CA (2017 BMW 3 Series Unsure 3.0-L 6 Cyl turbo)Muffler, pipes, catalytic converter, exhaust manifold, heat shields, leaks.
"Brake cable mount to rear tires failed"
Anonymous, CA (2017 BMW 3 Series 320i 2.0-L 4 Cyl turbo)Accessory belts and pulleys, engine computer, engine mounts, engine knock or ping, fuel leaks, oil leaks.
"turbo hoses and gaskets needed replacement"
Anonymous, CT (2017 BMW 3 Series 340i xDrive 3.0-L 6 Cyl turbo)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.
"spark plug failure after high mileage."
Anonymous, CT (2017 BMW 3 Series 340i xDrive 3.0-L 6 Cyl turbo)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.
Driveshaft or axle, CV joint, differential, transfer case, four-wheel-drive/all-wheel-drive components, driveline vibration, electrical failure, traction control, electronic stability control.
Engine rebuild or replacement, cylinder head, head gasket, turbocharger or supercharger, timing chain or belt.
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.
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.
Paint (fading, chalking, peeling, or cracking), loose interior or exterior trim or moldings, rust.
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.
Infotainment system (audio, GPS, phone), rear entertainment system, backup or other camera/sensors, head-up display.
"Water leaks at the seam of the front dash window"
Anonymous, CA (2017 BMW 3 Series Unsure 3.0-L 6 Cyl turbo)