2015 BMW 640i Report
Known issues, recalls, running costs, and what to check before you buy.
Overall Score
Key Takeaways
- The primary concern for used 2015 BMW 640i models is the documented failure of wheels, including cracking and tire separation, which can be a serious safety hazard.
- A critical safety recall for the driver's side frontal airbag inflator requires verification of completion.
- The vehicle has an 'Average' reliability verdict, supported by a high number of TSBs (159) indicating numerous minor to moderate issues throughout its lifecycle.
- Inspect service brakes and the electrical system thoroughly, as these are also common complaint areas.
2015 BMW 640i
The 2015 BMW 640i presents a compelling package for those seeking a luxurious and powerful grand tourer. Its potent inline-six engine and sophisticated all-wheel-drive system deliver an engaging driving experience. However, as a used vehicle, potential buyers must be aware of its reliability record, which is marked by a significant number of Technical Service Bulletins (TSBs) and specific complaint themes. The most prominent issues reported involve wheels, service brakes, and the electrical system. A critical safety recall concerning the driver's side frontal airbag inflator also requires immediate attention. Given the vehicle's complexity and potential for costly repairs, a comprehensive pre-purchase inspection is non-negotiable.
Critical Failure Risk
Cracked rear wheel supports and tire separations under the rim have been reported at low mileages, potentially due to design flaws exacerbated by run-flat tires. This can lead to dangerous blowouts and loss of control.
Early detection can help you avoid a $500-$1,500 repair.
Safety & Bulletins
Owner Complaints
Performance & Efficiency
- Horsepower
- 315–330HP
- Torque
- 330–331.9 lb–ftLB-FT
Reliability
Practicality
The score is mainly limited by high fuel consumption, and limited seating.
Is the 2015 640i worth it?
A capable grand tourer with a focus on luxury, the 2015 BMW 640i requires a close inspection of its wheels due to documented failures, and confirmation that the critical airbag inflator recall has been completed.
Buy it if...
enthusiasts seeking a stylish and powerful grand tourer with a focus on comfort.
Skip it if...
budget-conscious buyers who cannot afford potential luxury car repair bills.
Who This Car Is For
Best for
Enthusiasts seeking a stylish and powerful grand tourer with a focus on comfort.
+2 more buyer-fit notes in the full report
Avoid if
Budget-conscious buyers who cannot afford potential luxury car repair bills.
+2 more buyer-fit warnings in the full report
2015 BMW 640i Reliability Analysis
Explore comprehensive reliability data including official safety recalls, consumer complaints, and common mechanical failures for the 2015 BMW 640i.
Vehicle Specs
- Fuel Type
- Premium
- Seating Capacity
- 4
- Horsepower
- 315-330 hp
- Torque
- 330-331.9 lb-ft
- Transmission
- Automatic (S8)
- Drivetrain
- All-Wheel Drive
- Body Style
- Sedan
- EPA Combined MPG
- 23
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Most Common Issues
1. WHEELS
Most reportedUsage: 2 reports
2. Braking System
Usage: 1 reports
First Service Interval
- Annual Inspection (Parts: Tire Pressure Monitoring System (TPMS) Sensor Battery)
Est. shop cost: N/A
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FAQ
Is the 2015 BMW 640i reliable?
The CarFocal Reliability Score for the 2015 BMW 640i is 8.9/10. Reliability score is 8.9/10. NHTSA recalls: 1. Owner complaints: 6.
How practical is the 2015 BMW 640i for daily use?
Practicality score is 5.1/10. The score is mainly limited by high fuel consumption, and limited seating. EPA combined economy is 23 MPG. Seating capacity is 4. 4 passenger doors are listed. Boot capacity is 460 litres.
What is the overall score for the 2015 BMW 640i?
The CarFocal Overall Score for the 2015 BMW 640i is 6.4/10. Overall score is 6.4/10 (Mixed). Confidence 55%. Maintenance 3.8/10. Tuning 6.0/10. Practicality 5.1/10.
What engine is in the 2015 BMW 640i?
Engine specs list Inline-6 • 6 • 3.0. Output is 315-330 hp • 330-331.9 lb-ft.
What transmission does the 2015 BMW 640i use?
According to CarFocal's specs for the 2015 BMW 640i, transmission is Automatic (S8). The paired drivetrain is All-Wheel Drive.
Does the 2015 640i require Premium gas?
Manufacturer fuel recommendation: Premium.
What is the combined EPA MPG for the 2015 BMW 640i?
EPA combined estimate is 23 MPG.
What driver assistance and safety features are available on the 2015 BMW 640i?
1 standard driver assistance features. Key features include Tire Pressure Monitoring System.
What is the fuel economy range for the 2015 BMW 640i?
According to CarFocal's specs for the 2015 BMW 640i, fuel economy range is 20-26 mpg combined.
How many people fit in a 2015 BMW 640i?
According to CarFocal's specs for the 2015 BMW 640i, seating capacity is 4.
What body style is the 2015 BMW 640i?
According to CarFocal's specs for the 2015 BMW 640i, body style is sedan.
What drivetrain does the 2015 BMW 640i use?
According to CarFocal's specs for the 2015 BMW 640i, drivetrain is All-Wheel Drive. Transmission is Automatic (S8).
Is the 2015 BMW 640i good for tuning?
Tuning potential is rated 6/10. The 2015 BMW 640i is a luxury grand tourer with a potent N55 3.0L turbocharged inline-6 engine, making it a prime candidate for performance... Popular platforms: BMW N55.
Should I tune the 2015 BMW 640i?
The BMW 640i has a turbocharged inline-6 engine, which is known for its tunability. There is also a strong aftermarket presence for BMW vehicles, offering a wide range of performance parts. The car's luxury and performance-oriented nature also contribute to a cult following.
What are the most common wheels problems on the 2015 BMW 640i?
Top complaint category: wheels (2 reports, 33.3% of complaints).
Are there open safety recalls on the 2015 BMW 640i?
This model year has 1 official safety campaigns listed.
Should buyers consider alternatives to the 2015 BMW 640i?
Alternative listed in this guide: 2015 Audi A7.