The 2018 BMW 6 Series is a small car that came with a choice of 3.0L 6-cyl and 4.4L 8-cyl engines. Even at 8 years old, a damaged or broken-down one still has real value for its parts. Running or not, we'll make you an offer and tow it away for free.
| Body style | Subcompact Cars, Compact Cars, Large Cars |
|---|---|
| Engines | 3.0L 6-cyl, 4.4L 8-cyl (turbocharged versions available) |
| Transmissions | Automatic (S8) |
| Drive | Rear-Wheel Drive, All-Wheel Drive |
| Fuel | Premium Gasoline |
| Fuel economy | 16–20 city / 25–29 highway / 19–23 combined MPG |
| EPA annual fuel cost | $3,550–$4,350 a year (EPA estimate at current fuel prices, 15,000 miles) |
| Tailpipe CO₂ | 378–463 grams per mile |
| EPA fuel economy score | 3–5 out of 10 |
| EPA greenhouse gas score | 3–5 out of 10 |
| Gross vehicle weight rating | 5,126–5,620 lb |
| Versions tested by EPA | 10 configurations: 640i Convertible, 640i xDrive Convertible, 650i Convertible, 650i xDrive Convertible, 640i Gran Coupe, 640i xDrive Gran Coupe and more |
| Age | 8 years |
Specs, fuel cost and emissions from the EPA's fueleconomy.gov data. Your car's exact equipment may differ.
NHTSA lists 2 safety recalls covering the 2018 BMW 6 Series. Open recalls don't stop you from selling or junking the car, but check your VIN at nhtsa.gov/recalls to see which apply to yours.
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…
Risk: The lack of an image in the back-up camera display increases the risk of a crash.
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…
Risk: A vehicle stall can increase the risk of a crash.
Owners have filed 11 complaints about the 2018 BMW 6 Series with NHTSA. 1 report involved a crash.
Complaints are reports from owners and aren't verified by NHTSA. One complaint can list several components. Mileage is the median odometer reading owners reported for that component.
Manufacturers have filed 279 technical service bulletins and communications with NHTSA covering the 2018 BMW 6 Series. These are repair instructions for known issues, not recalls.
5 of them are warranty extensions. Warranty extensions mean the manufacturer agreed to cover a specific repair beyond the normal warranty. They rarely still apply to a car this age, but they point to known weak spots.
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 appear
N63tu1 class action settlement svc campaign: oil consumption diagnosis/repair
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 f
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 appear
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 f
The Telematics Control Units (TCU) Internal Emergency (Backup) Battery for defects in materials and/or workmanship has been extended to 6 years without mileage limitation
Source: NHTSA manufacturer communications (technical service bulletins).
NHTSA opened 1 defect investigation covering the 2018 BMW 6 Series.
Desiccated Air Bag Inflator Rupture
From 2000 through 2017, Takata produced millions of air bag inflators using two types of phase-stabilized ammonium nitrate ("PSAN") propellant -- propellant 2004 and propellant 2004L. After prolonged exposure to high temperature cycles and humidity, inflators using propellant 2004 can degrade, causing the propellant to
It depends on its condition, whether major parts like the engine, transmission and catalytic converter are still there, and current scrap and parts prices where you live. Its parts make up much of its value. Enter your ZIP code above for a free offer on your specific car.
Yes. We buy 2018 6 Seriess that don't start, were in an accident, failed inspection or have a blown engine or transmission. Towing is always free.
Yes. Open recalls don't prevent a junk sale. NHTSA lists 2 recalls for the 2018 BMW 6 Series; you can check whether any are still open on yours with the VIN lookup at nhtsa.gov/recalls.
Usually the title and a photo ID. Rules differ by state, including what to do with your plates and whether to file a notice of sale. Check our state-by-state car title guides for the official forms.
Data retrieved October 2026.
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