2018 BMW 640xi Recalls
No NHTSA recalls on record for the 2018 BMW 640xi. That means NHTSA has no open safety campaign for this vehicle — it does not guarantee the absence of problems. Owners have filed 6 complaints with NHTSA, most often about the air bags. Last updated July 6, 2026.
Complaints by component
What owners report
Verbatim reports filed with NHTSA, lightly edited for readability and with personal information removed.
“The contact owns a 2018 bmw 640xi. The contact stated that while pulling up to a red traffic light, the brake pedal was depressed; however, the engine revved unexpectedly, and the vehicle unintendedly accelerated and drove forward approximately 3-feet. The contact turned the vehicle off and…”
“I hear a crackling or a popping sound coming from the windshield area as i’m driving. It is irregular and going over bumps seems to trigger it but yesterday as I was driving on a smooth highway with no vehicles nearby I heard a deafeningly loud crack sound. Then I noticed a tiny crack in the…”
“Consistent passenger restraint / passenger airbag failure warning. Took vehicle to bmw dealership and was told that the passenger seat must have moisture damage, causing the issue. There have been no spills or leaks in the vehicle. Quoted $2600 to fix. See attached. Vehicle’s safety in question.”
“My bmw's passenger side airbag malfunction light randomly came on and will not turn off. When I went to the dealer, bmw quoted apprx. $3000 to replace the seat sensor mat which they said probably got wet? No water was ever on the seat and no passenger sits there - just my purse. I feel this is a…”
“Moonroof shade failure. Droops, blocking rear window visibility while driving. Happened with no warning. Will bring to service center for inspection.”
“When opening the panoramic sunroof while driving, the curtain would not retract and sagged. It totally blocks the rear view and there is no way to fix it while driving. Also if you have a car seat facing the rear, the curtain would falls onto baby's face and potentially cause suffocation”
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL, FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 2018 BMW 640xi as of July 6, 2026. Complaint narratives are consumer-submitted and unverified. This page contains ads and affiliate links. Full methodology.