{"id":"2021_bmw_4_series","make":"BMW","make_slug":"bmw","model":"4 Series","model_slug":"4-series","year":2021,"url":"/bmw/4-series/2021/","pts":["hev","gas"],"configs":[{"id":43815,"model":"M440i Convertible","pt":"hev","drive":"Rear-Wheel Drive","trany":"Automatic (S8)","cyl":6,"displ":3.0,"eng":"SIDI; Mild Hybrid","turbo":true,"super":false,"start_stop":true,"city":23,"hwy":31,"comb":26,"cityA":0,"hwyA":0,"combA":0,"kwh100":null,"range":null,"range_city":null,"range_hwy":null,"erange":null,"phev_comb":null,"charge240":null,"charge240b":null,"charger":"","charger_b":"","motor":"44V Li-Ion","fuel":"Premium","vclass":"Subcompact Cars","co2":338,"fe_score":5,"ghg_score":5,"fuel_cost":3000,"save_spend":-3750,"guzzler":false,"mfr_code":"BMX","modified":"Wed Jul 27 00:00:00 EDT 2022"},{"id":43034,"model":"430i Coupe","pt":"gas","drive":"Rear-Wheel Drive","trany":"Automatic (S8)","cyl":4,"displ":2.0,"eng":"SIDI","turbo":true,"super":false,"start_stop":true,"city":26,"hwy":34,"comb":29,"cityA":0,"hwyA":0,"combA":0,"kwh100":null,"range":null,"range_city":null,"range_hwy":null,"erange":null,"phev_comb":null,"charge240":null,"charge240b":null,"charger":"","charger_b":"","motor":"","fuel":"Premium","vclass":"Subcompact Cars","co2":304,"fe_score":6,"ghg_score":6,"fuel_cost":2650,"save_spend":-2000,"guzzler":false,"mfr_code":"BMX","modified":"Mon Apr 26 00:00:00 EDT 2021"},{"id":43814,"model":"430i Convertible","pt":"gas","drive":"Rear-Wheel Drive","trany":"Automatic (S8)","cyl":4,"displ":2.0,"eng":"SIDI","turbo":true,"super":false,"start_stop":true,"city":24,"hwy":33,"comb":27,"cityA":0,"hwyA":0,"combA":0,"kwh100":null,"range":null,"range_city":null,"range_hwy":null,"erange":null,"phev_comb":null,"charge240":null,"charge240b":null,"charger":"","charger_b":"","motor":"","fuel":"Premium","vclass":"Subcompact Cars","co2":326,"fe_score":6,"ghg_score":6,"fuel_cost":2850,"save_spend":-3000,"guzzler":false,"mfr_code":"BMX","modified":"Mon Oct 18 00:00:00 EDT 2021"},{"id":43035,"model":"430i xDrive Coupe","pt":"gas","drive":"All-Wheel Drive","trany":"Automatic (S8)","cyl":4,"displ":2.0,"eng":"SIDI","turbo":true,"super":false,"start_stop":true,"city":24,"hwy":33,"comb":27,"cityA":0,"hwyA":0,"combA":0,"kwh100":null,"range":null,"range_city":null,"range_hwy":null,"erange":null,"phev_comb":null,"charge240":null,"charge240b":null,"charger":"","charger_b":"","motor":"","fuel":"Premium","vclass":"Subcompact Cars","co2":325,"fe_score":6,"ghg_score":6,"fuel_cost":2850,"save_spend":-3000,"guzzler":false,"mfr_code":"BMX","modified":"Mon Apr 26 00:00:00 EDT 2021"}],"vclass":"Subcompact Cars","segment":"Compact car","recalls":[{"campaign":"26V056000","component":"ELECTRICAL SYSTEM:STARTER ASSEMBLY","mfr":"BMW of North America, LLC","reported":"2026-01-30","owner_notified":"2026-03-27","units":87394,"summary":"BMW of North America, LLC (BMW) is recalling certain 2021-2023 Toyota Supra, 2022-2023 2 Series Coupe, 2021-2024 5 Series (xDrive), 2021-2022 Z4, 2022-2024 4 Series (Gran Coupe), 2021-2024 4 Series (Convertible and xDrive Convertible), 2021-2023 4 Series (Coupe), 2021-2024 3 Series, 2021-2023 X4, 2021-2024 X3 vehicles. Please see the recall report for a complete list of all models. The engine starter may overheat and catch fire due to wear on an internal component.","consequence":"Fire increases the risk of injury.","remedy":"Dealers will replace the engine starter, free of charge. Owner notification letters were mailed July 21, 2026. Owners may contact BMW customer service at 1-800-525-7417 or Toyota's customer service at 1-800-331-4331. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning March 24, 2026.","notes":"","park_outside":false,"do_not_drive":false,"mfr_campaign":"","initiated_by":"MFR","variants":[],"severity":"critical"},{"campaign":"25V636000","component":"ELECTRICAL SYSTEM:STARTER ASSEMBLY:RELAY","mfr":"BMW of North America, LLC","reported":"2025-09-23","owner_notified":"2026-02-06","units":199674,"summary":"BMW of North America, LLC (BMW) is recalling certain 2019-2021 BMW 330i, 2019-2022 BMW Z4, 2020-2022 BMW 530i, X3, X4, Toyota Supra, 2021-2022 BMW 430i, 430i Convertible, and 2022 BMW 230i vehicles. The engine starter relay may corrode, causing the relay to overheat and short circuit.","consequence":"A short circuit in the starter relay may increase the risk of a fire.","remedy":"Owners are advised to park their vehicles outside and away from structures until the remedy is complete. Dealers will replace the engine starter, free of charge. Owner notification letters were mailed February 6, 2026. Owners may contact BMW customer service at 1-800-525-7417.  Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov November 14, 2025.","notes":"","park_outside":true,"do_not_drive":false,"mfr_campaign":"","initiated_by":"MFR","variants":[],"severity":"critical"},{"campaign":"23V584000","component":"SEAT BELTS","mfr":"BMW of North America, LLC","reported":"2023-08-16","owner_notified":"2023-10-12","units":144,"summary":"BMW of North America, LLC (BMW) is recalling certain 2019-2022 330i, 330i xDrive, M340i, 2022 430i Coupe, 2021-2022 430i, M440i Convertible, and 2020-2022 228i xDrive Gran Coupe vehicles.  The receiver audio module control unit software may fail to properly generate audible seat belt warnings to the driver to fasten their seat belt.  As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 208, \"Occupant Crash Protection.\"","consequence":"An audible chime that does not properly alert the driver to fasten their seat belt increases the risk of injury in a crash.","remedy":"Dealers will update the receiver audio module software, free of charge.  Owner notification letters were mailed October 12, 2023.  Owners may contact BMW customer service at 1-800-525-7417.","notes":"Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.","park_outside":false,"do_not_drive":false,"mfr_campaign":"","initiated_by":"MFR","variants":[],"severity":"high"},{"campaign":"21V554000","component":"SEAT BELTS","mfr":"BMW of North America, LLC","reported":"2021-07-21","owner_notified":"2021-09-03","units":21537,"summary":"BMW of North America, LLC (BMW) is recalling certain 2021 2 Series (230i, 230i xDrive, M240i, M240i xDrive), 330e, 330e Xdrive, 4 Series Coupe (430i, 430i xDrive, M440i xDrive) M4 Coupe, M4 Competition Coupe, BMW 4 Series Convertible (430i, M440i), BMW X1 sDrive28i, xDrive28i, 2 Series Gran Coupe (228i, 228i xDrive, M235i xDrive), M2 Competition Coupe, 330i, 330i xDrive, M340i, M340i xDrive, M3, M3 Competition, 530i, 530i xDrive, 540i, 540i xDrive, MINI Hardtop 2 Door (Cooper, CooperS, JCW), X2 sDrive28i, X2 xDrive28i, X2 M35i, Z4 sDrive30i, Z4 M40i, MINI Hardtop 2 Door (Cooper SE), MINI Convertible (Cooper, Cooper S, JCW), MINI Clubman (Cooper S, Cooper S All4, JCW), MINI Countryman (Cooper, Cooper All4, Cooper S, Cooper S All4, JCW All4), Rolls Royce Ghost, MINI Countryman (Cooper S E All4), Rolls Royce Phantom, Rolls Royce Cullinan, and Toyota Supra vehicles.  The passenger seat belt Automatic Locking Retractor (ALR) may deactivate early, before the webbing fully retracts.  As such, these assemblies fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 208, \"Occupant Crash Protection.\"","consequence":"During a crash, a seat belt retractor that does not function as intended increases the risk of injury.","remedy":"Dealers will inspect the seat belt retractors (including the seat belts) and, if necessary, replace the retractors, free of charge.   Owner notification letters were mailed on September 3, 2021.  Owners may contact BMW customer service at 1-800-525-7417; 1-866-825-1525 (MINI); 1-877-877-3735 (Rolls Royce); and 1-888-270-9371 (Toyota).","notes":"Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.","park_outside":false,"do_not_drive":false,"mfr_campaign":"","initiated_by":"MFR","variants":[],"severity":"high"},{"campaign":"21V176000","component":"AIR BAGS:SIDE/WINDOW:THORAX","mfr":"BMW of North America, LLC","reported":"2021-03-15","owner_notified":"2021-03-09","units":1850,"summary":"BMW of North America, LLC (BMW) is recalling certain 2021 430i and M440i 4 Series Convertible vehicles.  In certain side-impact crashes, the head-thorax air bag may not deploy as intended.","consequence":"An air bag that deploys incorrectly can increase the risk of injury in a crash.","remedy":"Dealers will update the software, at no charge.  All affected vehicles are still in dealer inventory, and therefore no owner letters will be mailed.  The recall began March 9, 2021.  Owners may contact BMW customer service at 1-800-525-7417.","notes":"Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.","park_outside":false,"do_not_drive":false,"mfr_campaign":"","initiated_by":"MFR","variants":[],"severity":"high"},{"campaign":"21V096000","component":"BACK OVER PREVENTION: SENSING SYSTEM: CAMERA","mfr":"BMW of North America, LLC","reported":"2021-02-19","owner_notified":"2021-04-16","units":13858,"summary":"BMW of North America, LLC (BMW) is recalling certain 2019-2021 X3 sDrive30i, X3 xDrive30i, X3 M40i, X3M, X4 xDrive30i, X4 M40i, M550i, X4M, X5 sDrive40i, X5 xDrive40i, X5 xDrive50i, X5M, X5 M50i, X7 xDrive40i, X7 xDrive50i, X7 M50i, Alpina XB7, 330i, 330i xDrive, M340i, M340i xDrive, and 8 Series Coupe, Convertible and Grand Coupe, 840i, 840i xDrive, M850i xDrive, M8, 2020-2021 530e, 530e xDrive, 330e, 330e xDrive, 745Le, 745Le xDrive, X5 xDrive45e, X3 xDrive30e, X6 sDrive40i, X6 xDrive40i, X6 xDrive50i, X6 M50i, X6M, 530i, 530i xDrive, 540i, 540i xDrive, M550i xDrive, M5, 740i, 740Li, 740Li xDrive, M760i Drive, M760Li xDrive, 750Li xDrive Alpina, Alpina B7 xDrive, and 2021 4 Series Coupe 430i, 430i xDrive, M440i xDrive vehicles.    When shifting into Reverse, a small portion of the rearview image may be obscured, or the screen may not illuminate.  As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 111, \"Rear Visibility.\"","consequence":"If the driver relies on only the rearview camera image, the missing or reduced rearview image view can increase the risk of a crash or injury.","remedy":"BMW will notify owners, and dealers will inspect the rearview camera software and update it if necessary, free of charge.  The recall began April 16, 2021.  Owners may contact BMW customer service at 1-800-525-7417.","notes":"Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.","park_outside":false,"do_not_drive":false,"mfr_campaign":"","initiated_by":"MFR","variants":[],"severity":"minor"}],"recall_count":6,"critical_count":2,"park_outside":true,"do_not_drive":false,"score":43,"grade":"F","complaints":{"count":15,"crash":0,"fire":0,"injured":0,"deaths":0,"comps":[["Electrical System",6],["Seat Belts",3],["Engine",3],["Tires",1],["Power Train",1],["Unspecified",1]],"by_year":{"2021":2,"2023":1,"2024":2,"2025":3,"2026":7},"excerpts":[["2026-04-27","Engine","The recall was issued more than 8 months ago but the remedy is still not yet available, which is very concerning as the problem may cause the event of fire even when the vehicle is parked. Issued SEP 23, 2025 Description of Problem It is possible for water to contact and enter the engine starter. This could lead to cor\u2026"],["2026-04-04","Engine","The engine Unknown The problem was confirmed by BMW as they sent me a notice. Unknown Unknown"],["2026-03-16","Electrical System","I received a recall notice dated 9/23/2025. The recall is listed as URGENT safety issue that could cause a fire. The notice instructs not to drive the car or park in garage. It has been over 6 months now and there is still no fix. I am requesting the manufacture buyback my vehicle."]]},"investigations":[],"ncap":[],"popularity":999,"headline":{"range":null,"mpg":29,"ncap":null,"complaints":15},"presskit_trims":[],"generated_at":"2026-09-11 05:01 UTC","sources":["EPA fueleconomy.gov","NHTSA recalls","NHTSA complaints","NHTSA NCAP","NHTSA investigations"]}