BMW 6 Series Convertible (F12 LCI, facelift 2015) 640i (320 Hp) xDrive Steptronic


Overall Rating

8.3 / 10
Safety N/A / 5
Not Rated
Engine 4.8 / 5
Value 3.5 / 5
Performance 4.6 / 5
Comfort 4.7 / 5
People\'s Opinion N/A / 5
Not Rated

BMW 6 Series:

The BMW 6 Series is a range of grand tourers produced by BMW since 1976. It is the successor to the E9 Coupé and is currently in its fourth generation.
The first generation BMW E24 6 Series was available solely as a two-door coupé and produced from 1976 to 1989, when it was supplanted by the larger BMW 8 Series. When the 6 Series nameplate was revived in 2004 for the second generation, the BMW E63/E64 6 Series, the coupé was joined by a convertible body style. The third generation F06/F12/F13 6 Series debuted in 2011 as a coupé and convertible, and a sedan variant known as the "Gran Coupé" in 2012. When the F06/F12/F13 6 Series ended production, the "Gran Coupé"/coupé/convertible models have been shifted into the more upmarket BMW 8 Series nameplate. The fourth generation 6 Series, the G32 6 Series, debuted in mid-2017 and is offered only as a fastback body style to complement the BMW 5 Series sedan/wagon....(Read more on Wikipedia)

Convertible (F12 LCI, facelift 2015) Overview:

BMW 6 Series (Convertible (F12 LCI, facelift 2015)). With 450 Nm of torque, it offers ample pulling power. It has moderate fuel consumption (~11.45 l/100km). With a weight of 1890 kg, it falls in the mid‑range. All‑wheel drive provides excellent grip, ideal for off‑road use. Acceleration is excellent (0–100 km/h in 5.4 s). The top speed reaches 250 km/h. A convertible car with a retractable roof, offering open-air driving experiences. Seating for 4 makes it ideal for daily use.

640i (320 Hp) xDrive Steptronic Verdict:

Rating 4 stars

Performance Verdict

Combines the smooth power of the N55B30 inline-six with the added traction and stability of xDrive, resulting in confident and quick acceleration in all conditions.

Fuel Economy

Slightly higher fuel consumption than its RWD counterpart due to the xDrive system, but still a good balance for its performance and all-weather capability.

Best Use Case: All-weather performance, confident driving in varied conditions, spirited driving, and those seeking enhanced traction.

Pros and Cons:

Pros:

  • • Stunning and elegant design, especially with the top down.
  • • Luxurious and high-quality interior with premium materials.
  • • Powerful and refined engine options, from efficient diesels to potent V8s.
  • • Exceptional ride comfort, making it an excellent grand tourer.
  • • Advanced technology and infotainment features for its era.
  • • Engaging driving dynamics, particularly with the RWD variants.

Cons:

  • • Significant depreciation from new, impacting long-term value.
  • • Rear seats are very cramped, suitable only for small children or short trips.
  • • Higher running costs, especially for the V8 petrol models.
  • • Visibility with the roof up can be limited.
  • • Some N63 V8 engine variants have had documented reliability concerns.
  • • Trunk space is limited, particularly with the roof down.

Specifications:

Specifications are compared to those of the previous generation(Gran Coupe (F06): 2013 - 2015).

General:
Brand:BMW
Model:6 Series
Generation:Convertible (F12 LCI, facelift 2015)
Modification (Engine):640i (320 Hp) xDrive Steptronic
Start of production:2015
End of production:2018
Powertrain Architecture:Internal Combustion engine
Body type:Cabriolet
Seats:4
Doors:2
Engine:
Power:320 Hp @ 5800-6000 rpm. Same horsepower
Power per litre:107.4 Hp/l [113mm less]
Torque:450 Nm @ 1300-4500 rpm.
Engine Model/Code:N55B30A More details about the engine N55B30A
Engine displacement:2979
Number of cylinders:6
Engine configuration:Inline
Number of valves per cylinder:4
Fuel injection system:Direct injection
Engine aspiration:Twin-power turbo, Intercooler
Engine oil capacity:6.5 l
Coolant:9.3 l
Engine layout:Front, Longitudinal
Cylinder Bore:84 mm mm
Piston Stroke:89.6 mm mm
Compression ratio:10.2:1
Performance:
Fuel Type:Petrol (Gasoline)
Fuel consumption (economy) - urban:11.2-11.7 l/100 km
Fuel consumption (economy) - extra urban:6.2-6.4 l/100 km
Fuel consumption (economy) - combined:8.0-8.4 l/100 km
Emission standard:Euro 6
Acceleration 0 - 100 km/h:5.4 sec
Acceleration 0 - 62 mph:5.4 sec
Maximum speed:250 km/h
Weight-to-power ratio:5.9 kg/Hp, 169.3 Hp/tonne
Weight-to-torque ratio:4.2 kg/Nm, 238.1 Nm/tonne
Acceleration 0 - 60 mph:5.1 sec
Space:
Kerb Weight:1890
Max. weight:2390
Max load:500
Trunk (boot) space - maximum:350 l
Trunk (boot) space - minimum:300 l
Fuel tank capacity:70 l
Size:
Length:4894 mm mm [113mm less]
Width:1894 mm mm [Same width.]
Height:1365 mm mm [27mm less]
Wheelbase:2855 mm mm [113mm less]
Front track:1600 mm
Rear (Back) track:1665 mm
Ride height (ground clearance):123 mm
Minimum turning circle (turning diameter):11.7 m [above average]
Powertrain:
Drive wheelAll wheel drive (4x4)
Number of gears8
Transmission typeAutomatic
Gearbox typeSteptronic
Front brakesDisc [above average]
Rear brakesDisc [above average]
Assisting systemsABS (Anti-lock braking system)
Steering typeSteering rack and pinion
Power steeringElectric Steering
Tires size225/55 R17; 245/45 R18; 275/45 R18; 245/40 R19; 275/35 R19; 245/35 R20; 275/30 R20
Wheel rims size8J x 17; 8J x 18; 9J x 18; 8.5J x 19; 9J x 19; 8.5J x 20; 9J x 20
Front suspensionDouble wishbone
Rear suspensionIndependent multi-link suspension

Show off your BMW 6 Series knowledge – drop a review below!