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We expect the 2025 3 Series will have about average reliability when compared to the average new car. This prediction is based on data from 2022, 2023, and 2024 models and the BMW brand score.
The Reliability score is based on our latest subscriber survey of 2008 BMW 3 Series owners. The owner comments describe problems respondents experienced with this vehicle.
Muffler, pipes, catalytic converter, exhaust manifold, heat shields, leaks.
"The oil pan needed to be replaced. It was repaired."
Anonymous, MT (2008 BMW 3 Series 328i 3.0-L 6 Cyl turbo)"Thermostat needed to be replaced and a couple coolant related hoses as well. Problem was resolved."
Anonymous, CA (2008 BMW 3 Series 328i 3.0-L 6 Cyl)"Electric Water Pump Failure - occurred and resolved in March 2024."
Anonymous A., OR (2008 BMW 3 Series 328i 3.0-L 6 Cyl)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.
"Repeated moisture issues in the light housing"
Anonymous, VA (2008 BMW 3 Series 328i 3.0-L 6 Cyl)"Works on the passenger side door Very occasionally works on the drivers side."
Anonymous, BC (2008 BMW 3 Series 335i 3.0-L 6 Cyl turbo)"Electrical wiring harness covering wearing out. Replacement would cost 4K !"
Anonymous, KS (2008 BMW 3 Series 335i 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.
"Window regulator broke. Had to replace."
Anonymous, VA (2008 BMW 3 Series 328i 3.0-L 6 Cyl)Radiator, cooling fan, water pump, thermostat, antifreeze leaks, overheating.
"Coolant hose burst on highway."
Anonymous, ON (2008 BMW 3 Series 335i 3.0-L 6 Cyl turbo)Accessory belts and pulleys, engine computer, engine mounts, engine knock or ping, fuel leaks, oil leaks.
"Could not car to start. Towed to dealer. They say engine flooded with oil & gas. Also gas in the oil system. Replaced plugs & changed oil"
Anonymous, ON (2008 BMW 3 Series 328i 3.0-L 6 Cyl)Transmission rebuild or replacement, torque converter, premature clutch replacement.
"Clutch wore gradually. Rear engine seal burst causing necessity of transmission removal."
Anonymous, ON (2008 BMW 3 Series 335i 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.
"Replaced the shocks, but the car still "bottoms out" when hitting anything over a minor bump."
Anonymous, NJ (2008 BMW 3 Series 328xi 3.0-L 6 Cyl)Infotainment system (audio, GPS, phone), rear entertainment system, backup or other camera/sensors, head-up display.
Premature pad/rotor wear, pulsation or vibration, antilock system, parking brake, master cylinder, calipers, squeaking, brake failure, regenerative braking.
Squeaks, rattles, wind noises, seals and/or weather stripping, air and water leaks.
Engine rebuild or replacement, cylinder head, head gasket, turbocharger or supercharger, timing chain or belt.
Driveshaft or axle, CV joint, differential, transfer case, four-wheel-drive/all-wheel-drive components, driveline vibration, electrical failure, traction control, electronic stability control.
Gear selector and linkage, transmission computer, transmission sensor or solenoid, clutch adjustment, rough shifting, slipping transmission, 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.
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.
AC compressor, blower (fan) motor, condenser, evaporator, heater system, automatic climate system, electrical failure, refrigerant leakage.
"Rust holes appeared. Fixed by a local garage using custom parts"
Anonymous, QC (2008 BMW 3 Series)