2018 Bmw 640i problems, complaints & recalls
Most-reported problem areas: Suspension (1) · Structure:body (1) · Power Train (1)
🧭 Reliability snapshot
Compared against other Bmw 640i model years — complaint volume vs the model's median year, recalls and severity. How we score →
Safety recalls (2)
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.
Engine And Engine Cooling:engine 2018-07-11 · campaign 18V465000 · 5,309 vehicles
Defect: BMW of North America, LLC (BMW) is recalling certain 2018 BMW 540d xDrive vehicles. The crankshaft sensor may be equipped with incorrect firmware, preventing the sensor from properly processing input from the crankshaft reluctor ring, possibly resulting in a vehicle stall. On September 12, 2018, BMW expanded the recall to a total of 5,309 vehicles including certain 2018-2019 BMW 540d xDrive, 230i M240i, M240i xDrive, X2 sDrive28i, X2 xDrive28i, X1 sDrive28i, X1 xDrive28i, 330i, 330i xDrive,
Risk: A vehicle stall can increase the risk of a crash.
Fix: BMW will notify owners, and dealers will replace the crankshaft sensor, free of charge. The recall began September 6, 2018. Owners may contact BMW customer service at 1-800-525-7417.
Service bulletins (279)
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.
Seats 2026-02-11 · B720125 · Warranty Program/Extension
a situation may occur where the front passenger seat is not occupied; however, a “fasten seat belt” warning and a front passenger seat air bag deactivation message appears. if the situation is currently present, sit in the seat and move the seat to a slightly different position. the pol (passenger o
Air Bags 2025-06-10 · 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
Air Bags 2025-05-01 · B720125 · Warranty Program/Extension
a situation may occur where the front passenger seat is not occupied; however, a “fasten seat belt” warning and a front passenger seat air bag deactivation message appears. if the situation is currently present, sit in the seat and move the seat to a slightly different position. the pol (passenger o
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
Engine 2024-05-02 · B010324 · Warranty Program/Extension
evap system purge (vent) valve ext ltd wty (elw) 15/150
Exterior Lighting 2024-03-14 · B630418 · Service Bulletin/Repair Instructions
one or more of the led daytime running lights are dim or discolored.
Showing the 6 most recent of 279 bulletins. Search all of them free at nhtsa.gov.
What owners report
2023-02-09 · Suspension“i took the car in for a service and mentioned that there is a slight vibration at highway speeds. the dealer performed wheel balancing and found that the issue was still there. following this, a software update was performed and the issue was still prevalent. the final cause was identified to be the control arm bushings. the problem i see is that a…”
2022-07-25 · Power Train“i took my vehicle for a regular oil change and vehicle check at 22000 miles. the service advisor performed a routine check and found that the driveshaft flex disc had multiple cracks. if the cracks expand, it could lead to a complete failure of the disc at which point the driveshaft was come loose and can cause an accident along with extensive unde…”
2021-05-12 · Structure:body · 19,000 mi · 💥 crash“the car on my right changed lanes and and hit the front of my car. photo's of damage attached. the damage was to the right side of the bumper and panel on the front side. police report attached. the carfax report printed 5/5/2021 shows damaged areas as front, right and rear. the damage was limited to the side front only and the car was drivable to…”
2021-01-08 · Forward Collision Avoidance: Adaptive Cruise Control · 25,551 mi“tl* the contact owns a 2018 bmw 640i. the contact stated while driving at various speeds with the adaptive cruise control engaged, the vehicle failed to stop without warning. the vehicle was taken to bmw of annapolis (31 old mill bottom rd, annapolis, md 21401, (410) 349-9312) but was not diagnosed nor repaired. the manufacturer was notified of the…”
2020-02-27 · Engine · 18,000 mi“tl* the contact owns a 2018 bmw 640i. the contact stated that while driving at various speeds, the check engine warning light illuminated. the vehicle was taken to bmw of silver spring (3211 automotive boulevard, silver spring, md 20904, (888) 295-2096, where the technician diagnosed and determined that the fuel system was defective. the fuel senso…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.