2015 BMW 640i problems
Light NHTSA footprint — 4 owner complaints. Either a clean record or thin data; we'll show what's there.
The 2015 BMW 640i has 4 NHTSA owner complaints on file (U.S. federal records, as of July 2026). Source: NHTSA Office of Defects Investigation.
| Model year | Owner complaints | Recalls |
|---|---|---|
| 2012 640i | 3 | 0 |
| 2013 640i | 6 | 0 |
| 2014 640i | 7 | 0 |
| 2015 640i (this page) | 4 | 0 |
Limited NHTSA data — only 4 complaints on file. The score reflects what's reported, but a small sample skews easily.
Only 4 NHTSA complaints on file — too few for a confident reliability call. Could be a clean record or just thin data.
Our read of the federal NHTSA complaint and recall record for this exact year and model — not a substitute for a pre-purchase inspection. How we score.
What owners are saying recent NHTSA-filed complaints · verbatim
The rear tire was leaking causing an unsafe road condition. When the tire was inspected it was found that the wheel had a crack in the support due to a defect in design. The dealer states that many of the 5 and 6 series with this wheel have issues and offered me a "warranty…
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 the car during rain or water immersion from the rear brake light, to the back seat, trunk, and rear floor. There…
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 with warranty, making the warranty of no value. In fact they lied about the cause at first. Still have the…
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 latch no air bags went of?dealship says codes say?they did?
Under investigation 1 open at NHTSA
NHTSA has an open defect investigation covering this vehicle — the step that can precede a recall, not a finding of fault. EA21002 on NHTSA →
How NHTSA investigations work, and what's open now →
Common questions
Is the 2015 BMW 640i reliable?
Limited NHTSA data. Only 4 owner complaints have been filed for the 2015 BMW 640i, which is not enough for a meaningful reliability score. Active recalls (if any) are listed on this page and remain authoritative — those are verified defects regardless of complaint volume. For a confident reliability read we look for at least 10 owner complaints in the federal database.
Should you avoid the 2015 BMW 640i?
Only 4 NHTSA complaints on file — too few for a confident reliability call. Could be a clean record or just thin data. We don't issue a buy/avoid verdict on the 2015 BMW 640i without a meaningful complaint sample — doing so off a handful of filings would be guesswork.
What should I check before buying a used 2015 BMW 640i?
There isn't enough NHTSA complaint data on the 2015 BMW 640i to flag a standout failure pattern. Run the VIN for open recalls — those are free to fix regardless of warranty — get a standard pre-purchase inspection, and ask the seller for service records.
Is the 2015 BMW 640i a good used car to buy?
Hard to say from federal data alone — only 4 owner complaints have been filed. Lean on the recall list above, a pre-purchase inspection, and a vehicle-history report on the specific VIN. Our data tells you what the model is known for; a history report tells you what that exact car has been through.
What's the most common problem on the 2015 BMW 640i?
No problem area has crossed our reporting threshold yet, which is a good sign for this vehicle.
What's the most expensive thing that goes wrong?
Major repair items haven't been flagged often enough on this vehicle to single one out.
How do I check if my BMW 640i has open recalls?
Paste your VIN into the decoder at the top of this page. We pull live from NHTSA, so you'll see exactly which campaigns apply to your vehicle and whether the dealer has logged the fix. Recall repairs are always free regardless of mileage or warranty status.
Is an extended warranty worth it on a 2015 BMW 640i?
Hard to say from NHTSA data alone with only 4 complaints on file. A quality service contract runs $1,800–3,500 over 3 years. The decision comes down to your specific situation: vehicle cost, miles on it, how long you plan to keep it, and whether you can absorb a $3K–$8K repair without straining cashflow. With limited public data on this vehicle, lean on the recall list above and check owner forums before committing.