2018 Bmw M550i problems, complaints & recalls
Most-reported problem areas: Seats (3) · Seat Belts (3) · Air Bags (3)
Safety recalls (1)
Back Over Prevention: Sensing System: Camera 2019-09-27 · campaign 19V684000 · 257,473 vehicles
Defect: BMW of North America, LLC (BMW) is recalling certain 2018 540d, 2018-2020 530i, 530i xDrive, 540i, 540i xDrive, M550i xDrive, M5, 530e, 530e xDrive, X3 sDrive, X3 xDrive, X3 M40i, X3 M, and 2019-2020 X4 xDrive, X4 M40i, X4 M, X7 xDrive, X7 M50i, 740Li, 740Li xDrive, 750Li, 750Li xDrive, 8 Series Convertible and Coupe 840i, 840i xDrive, M850i xDrive, X5 sDrive, X5 xDrive, X5 M50i, X6 xDrive, X6 M50i, 330i, 330i xDrive, M340i, M340i xDrive, Z4 sDrive, Z4 M40i, 740Le xDrive and 745Le xDrive, 2018-2
Risk: The lack of an image in the back-up camera display increases the risk of a crash.
Fix: BMW will notify owners, and dealers will update the back-up camera software, free of charge. The recall began November 8, 2019. Owners may contact BMW customer service at 1-800-525-7417 or Rolls-Royce at 1-877-877-3735. Toyota owners may contact Toyota customer service at 1-888-270-9371.
Service bulletins (285)
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.
Electrical System 2025-04-18 · B720125 · Warranty Program/Extension
the supplemental restraint systems (srs) front passenger’s seat occupancy capacitive interior sensor (cis) mat for defects in materials and/or workmanship that causes a false seat occupancy alert to occur has been extended to 10 years / 120,000 miles as determined from the vehicle's original in-serv
Exterior Lighting 2024-03-14 · B630418 · Service Bulletin/Repair Instructions
one or more of the led daytime running lights are dim or discolored.
Visibility:power Window Devices And Controls 2024-01-16 · B510819 · Service Bulletin/Repair Instructions
the basic conditions for initializing the power windows are not met.
Electrical System 2024-01-11 · B611305 · Service Bulletin/Repair Instructions
the electrical system of bmw vehicles has been subject to an ongoing development process over the last few years. this has led to increased demands being placed on the battery. this document covers important information for the dealer on how to handle ã¢ââdischarged batteryã¢ââ complaints.
Service Brakes, Hydraulic 2023-10-13 · B340714 · Service Bulletin/Repair Instructions
functional noises (squealing/honking) when braking shortly before the vehicle comes to a stop. cause material-
Visibility:sun/Moon Roof Assembly 2023-08-01 · B540521 · Service Bulletin/Repair Instructions
?the sunroof will not operate in either direction.
Showing the 6 most recent of 285 bulletins. Search all of them free at nhtsa.gov.
What owners report
2026-08-07 · Engine“throughout my ownership, i have adhered to bmw’s recommended maintenance schedule, including routine oil changes and inspections. at no point was i advised of any engine issues, oil leaks, or conditions that could potentially lead to catastrophic engine failure. most recently, the vehicle had change oil svc. at bmw of white plains on june 25, 2026,…”
2026-01-16 · Steering“to: national highway traffic safety administration (nhtsa) subject: safety complaint – 2018 bmw m550i driver assistance system i am filing a formal safety complaint regarding a dangerous malfunction of the driver assistance systems in my 2018 bmw m550i. these systems behave unpredictably and cannot be reliably disabled, creating an unsafe driving…”
2025-08-15 · Seat Belts“i’m getting a passenger restraint system malfunction message on my infotainment. says: “passenger restraint system limited. increased risk of injury in case of a collision. continue wearing safety belt.” this is the second time this has occurred on this specific vehicle. first time was in 2021 and was repaired. now it came up again. …”
2025-04-20 · Air Bags“passenger restrain system mail function …”
2024-10-25 · Air Bags“passenger restrained seatbelt signal. there is bulletin in google: sib 72 04 17. there are recalls for this vehicle but dealer want accept it. …”
2024-10-21 · Tires:sidewall“in the last 8 months, i have experienced 3 blowouts on the same side of the car. the tires were continental procontact ssr 245/40r19. in each instance, the sidewall failed and blew out. this has occurred on the highway as well as at low city speeds.…”
2024-08-22 · Lane Departure: Blind Spot Detection“excessive amounts of water accumulated at interior floors from the a/c drain unit. water damage to all sensors and bad odor. worried car may catch fire while driving. a/c will sometimes work.…”
2024-08-01 · Structure:body“the rear driver door will not open. it seems the door handle does not open the door from the exterior of the vehicle. the door will also not open from the interior of the vehicle. it feels like the handle has come lose from the door latch mechanism to open the door of the vehicle. this is a big safety concern if there is a passenger sitting beh…”
2024-08-01 · Latches/Locks/Linkages:doors:latch“the rear driver door does not open from the outside or inside of the vehicle. i had someone sitting behind the driver and they could not exit the vehicle, we had to assist so they can exit out the other side (passenger rear door). the handle on the outside of the car seems like if it is not connected to the door mechanism. this is a huge safety …”
2024-06-29 · Seats“vehicle reported a passenger restraint failure intermittently and upon getting diagnosed is related to a faulty seat occupancy sensor. if this sensor can fail ~4yrs of ownership with < 30k miles driven and it is critical to passenger restraint, it would seem that this should be fixed by bmw. with quick search, the problem doesn't seem isolated: […”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.