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2015 BMW 640i
Limited data: few reports on file, read the verdict loosely
Too few owner complaints are on file to affirm this car. Treat it as unproven, not endorsed, and lean hard on a professional pre-purchase inspection.
4 owner complaints · 1 recalls · data verified July 22, 2026 · source: NHTSA
What the record shows so far
Only 4 owner complaints on file for this exact model year, too few to judge long-term reliability. Treat this as unproven, not endorsed, and lean on a professional inspection.
Score breakdown, by factor
Full methodology →Complaints filed per year
Fading = early teething worked out. Climbing = problems aging in.
How it crashes
NHTSA’s own crash tests, separate from the reliability score above.
NHTSA crash-tested this model year but didn’t publish an overall star rating for it.
1 open NHTSA defect investigation on file for this model year, separate from the recalls above.
Source: nhtsa.gov/ratings. Star ratings compare vehicles within the same class and size, not across every car on the road.
The road ahead
What breaks on a 2015 BMW 640i, plotted where owners report it happening.
Wheels
50%2 complaints
“THE TIRES BLEW OUT WHILE ON A ROAD TRIP AT APP 11,000 MILES, SEPARATION RIGHT UNDER THE RIM. TIRES ARE STILL UNDER WARRANTY. HOWEVER, GOODYEAR DUNLOP WON'T BE SQUARE W…”
Body & structure
25%1 complaints
“The car is leaking from the third rear brake light (at the rear roof of the car). It appears the seals and possible clips/fasteners have failed and water is entering t…”
Electrical system
25%1 complaints
“DRIVERS SIDE DOOR OPEN ON ITS OWN, WILL NOT STAY SHUT , DEALSHIP HAS BEEN UNABLE TOO FIX IT? SIDE DOOR DOESN'T CLOSE REPAIRED FOUR TIMES . ENGINE LIGHT COME ON? ROOF L…”
Brakes
25%1 complaints
“DRIVERS SIDE DOOR OPEN ON ITS OWN, WILL NOT STAY SHUT , DEALSHIP HAS BEEN UNABLE TOO FIX IT? SIDE DOOR DOESN'T CLOSE REPAIRED FOUR TIMES . ENGINE LIGHT COME ON? ROOF L…”
Check it against this car’s mileage
Type the odometer reading on the actual car you’re looking at to see which of these problem areas owners tend to report before it, around it, or after it.
Too few owners named a mileage on this model to place issues against an odometer yet.
Read all 4 owner complaints in their own words → · just the 1 crash/fire/injury reports →
Recalls (1)
Safety recall repairs are free at the brand’s franchised dealers. Before buying, run the VIN at nhtsa.gov/recalls and make the seller show the work was done.
Air Bags · 24V527000
BMW of North America, LLC (BMW) is recalling certain 2015 6 Series Gran Coupe, 2014 5 Series Gran Turismo, 2014 5 Series Sedan, 2015 6 Series Convertible, 2015 6 Series Coupe, 2014 X5, 2013-2014 X3, 2014-2015 3 Series Sedan, 2014 4 Series Coupe, 2014 4 Series Convertible, 2014 3 Series Gran Turismo, and 2015 4 Series Gran Coupe vehicles. Please see the recall report for the complete list of models. The driver's air bag inflator may explode during deployment, due to a manufacturing defect.
Risk: An inflator explosion may result in sharp metal fragments striking the driver or other occupants, increasing the risk of injury or death.
Fix: The driver's front air bag will be replaced, free of charge. Owner notification letters were mailed September 6, 2024. Owners may contact BMW customer service at 1-800-525-7417.
Questions to ask the seller
Questions worth asking the seller of this BMW before you buy, drawn from its public record:
- NHTSA lists 1 recall campaign for the 2015 BMW 640i. Can you run this car's VIN at nhtsa.gov/recalls and confirm each one shows "Remedy Completed"?
- Has this car been in any accident or had any structural, airbag, or flood-related repair? Do you have a clean title and a recent history report (Carfax / AutoCheck)?
- How many owners has it had, do you have the maintenance records, and why are you selling it?
- Are you open to me having an independent mechanic inspect it before we settle on a price?
Before you hand over money
Verify the recall work was done
NHTSA’s free lookup shows whether this exact car had its recall remedies completed.
Free NHTSA VIN check ↗Get a pre-purchase inspection
A $150 to $250 independent inspection of this exact 2015 BMW 640I beats every score on the internet, including ours.
What to ask forNot set on the 2015? See how every 640i model year scores →
Cross-shopping? Compare the 2015 BMW 640i against another car →
What owners say
Real owners of this exact model-year, shown separately from the NHTSA score. If they disagree, that’s worth knowing.