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The 2018 X3 is less reliable than other cars from the same model year.
The Reliability score is based on our latest subscriber survey of 2018 BMW X3 owners. The owner comments describe problems respondents experienced with this vehicle.
Muffler, pipes, catalytic converter, exhaust manifold, heat shields, leaks.
"Tire Pressure Monitoring (TPM) keeps showing malfunction. Reset multiple times. May need service."
Anonymous A., TX (2018 BMW X3 M40i 3.0-L 6 Cyl turbo)"water pump leak"
Anonymous, MA (2018 BMW X3 xDrive30i 2.0-L 4 Cyl turbo)"There was a leak in water pump that required a replacement"
Anonymous, SC (2018 BMW X3 xDrive30i 2.0-L 4 Cyl turbo)Infotainment system (audio, GPS, phone), rear entertainment system, backup or other camera/sensors, head-up display.
"Screen display "moved over" so it was out of whack. As soon as it happened I contacted BMW service and sent them a picture. I scheduled service and it was fixed within a few days."
Anonymous, IN (2018 BMW X3 M40i 3.0-L 6 Cyl turbo)"Once the display stayed blank until it was replaced. Once the disay froze until the pcb behind the display went bad. Both were replaced at different times . Thank goodness I had bought an extended warranty that covered the repair less the deductae each time. The total cost for the two items would have been over 6 thousand dollars."
Anonymous A., (2018 BMW X3 Unsure 2.0-L 4 Cyl turbo)""Water leak in the GPS unit made it non-functional. The warning message obscures bottom half of speedometer display, so cannot read mileage etc.""
Anonymous, CA (2018 BMW X3 xDrive30i 2.0-L 4 Cyl turbo)Engine rebuild or replacement, cylinder head, head gasket, turbocharger or supercharger, timing chain or belt.
"The oil pump was made with a plastic part that deteriorated over time and started to affect the oil pump by clogging. This was a known problem by BMW and should have been a recall since they fixed the problem by replacing the plastic part. Oil warning light came on while driving and immediately took to a mechanic to resolve. Took about one month to get my car back. Happened around 22,000 miles."
Anonymous, CA (2018 BMW X3 M40i 3.0-L 6 Cyl turbo)""The assembly failed and began loosing coolant, which led to major overheating.""
Anonymous, CA (2018 BMW X3 xDrive30i 2.0-L 4 Cyl turbo)"The component that failed is used to transfer excessive heat from the engine oil to the coolant system. The failure was a major leak that required the care to be towed. Total bill exceeded $3000."
Anonymous A., NC (2018 BMW X3 xDrive30i 2.0-L 4 Cyl turbo)Radiator, cooling fan, water pump, thermostat, antifreeze leaks, overheating.
"Oil cooler (cooled by radiator coolant) failed"
Anonymous A., NC (2018 BMW X3 xDrive30i 2.0-L 4 Cyl turbo)""Expansion Tank replaced, the Top Hose began leaking""
Anonymous, TX (2018 BMW X3 M40i 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.
"POOR DESIGN AND INSPECTION PROGRAM!"
Anonymous, (2018 BMW X3 M40i 3.0-L 6 Cyl turbo)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.
"Tire Pressure Module (TPM) failure requiring 4 sensor replacement due to dead battery."
Anonymous, CA (2018 BMW X3 xDrive30i Unsure)Driveshaft or axle, CV joint, differential, transfer case, four-wheel-drive/all-wheel-drive components, driveline vibration, electrical failure, traction control, electronic stability control.
"Once"
Anonymous, FL (2018 BMW X3 xDrive30i Unsure)Squeaks, rattles, wind noises, seals and/or weather stripping, air and water leaks.
"Leakage from the sunroof. This is a problem for BMWs and have had this happen to another BMW. We park our cars outside and the drains get clogged."
Anonymous, DC (2018 BMW X3 xDrive30i Unsure)Accessory belts and pulleys, engine computer, engine mounts, engine knock or ping, fuel leaks, oil leaks.
"Seals"
Anonymous, FL (2018 BMW X3 xDrive30i Unsure)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.
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.
AC compressor, blower (fan) motor, condenser, evaporator, heater system, automatic climate system, electrical failure, refrigerant leakage.
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.
Sensors (O₂, or oxygen, sensor), emission-control devices (includes EGR), fuel-injection system, fuel gauge/sender, fuel pump, problems filling up the tank.
"Got a puncture in one tire that was not repairable -- had to buy 4 new tires because of wear tolerance issues with automated traction system"
Anonymous, VA (2018 BMW X3 xDrive30i 2.0-L 4 Cyl turbo)