🚗 AutoDefect IQ

2021 Bmw 740i problems, complaints & recalls

Most-reported problem areas: Lane Departure: Warning (1)

1
Complaints
2
Recalls
157
Service bulletins
0
Crashes reported
0
Fires reported
0
Deaths

Safety recalls (2)

Engine And Engine Cooling:engine:engine Control Module (Ecu/Ecm):software 2024-08-01 · campaign 24V576000 · 105,588 vehicles

Defect: BMW of North America, LLC is recalling certain 2019-2020 X5, X7, 2020 3 Series Sedan, X6, 2020-2021 7 Series Sedan, 2020 8 Series Convertible, 8 Series Coupe, and 2020 8 Series Gran Coupe vehicles. Please see the recall report for the complete list of models. In the event the starter motor fails, repeated attempts to start the vehicle can cause the starter motor to overheat from an electrical overload.

Risk: A starter motor that overheats can ignite nearby combustible material in the engine compartment, increasing the risk of a fire.

Fix: Dealers will update the vehicle software, free of charge. Owner notification letters were mailed September 27, 2024. Owners may contact BMW customer service at 1-800-525-7417.

Back Over Prevention:software 2021-02-19 · campaign 21V096000 · 13,858 vehicles

Defect: 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 x

Risk: 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.

Fix: 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.

Service bulletins (157)

Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.

Engine 2026-07-17 · B110426 · Service Bulletin/Repair Instructions

the manual starting of electronic engine oil level measurement from inside the vehicle, usually afterperforming an engine oil service task, is inoperative or it may lock up at between a 15% to 30% completionrate.

Engine 2026-05-06 · B010324 · Warranty Program/Extension

the evap systems purge (vent) valve limited warranty for defects in materials or workmanship has been extended to 15 years / 150,000 miles as determined from the original in-service date.

Suspension 2026-03-27 · B010522 · Warranty Program/Extension

the front and rear air suspension strut assemblies limited warranty for defects in materials or workmanship has been extended to 8 years /80,000 miles as determined from the original in-service date.

Structure:body 2025-03-26 · B660325 · Service Bulletin/Repair Instructions

a check control message is displayed, indicating that the parking assistance systems have limitedfunctionality due to errors detected within pdc sensors. the warning indicates parking assistance featureshave limited functionality while the errors continue to be detected. following faults may be stor

Engine 2024-06-06 · B120224 · Service Campaign

voluntary emissions recall 24e-a02: valvetronic

Engine And Engine Cooling 2024-04-22 · B120224 · Service Bulletin/Repair Instructions

bmw ag has issued a delivery stop (effective april 12, 2024) on certain model year 2023 - 2025 bmw vehicles that were produced between july 21, 2021, and april 11, 2024.

Showing the 6 most recent of 157 bulletins. Search all of them free at nhtsa.gov.

What owners report

2025-07-08 · Lane Departure: Warning

“i am filing this complaint regarding an ongoing safety issue with my 2021 bmw 740i involving the lane departure warning system, lane keep assist, and adaptive cruise control, all of which have stopped functioning properly. these features are critically tied to the windshield-mounted kafas camera, which i’ve now been told needs to be replaced. init…”

Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.

Other Bmw 740i years