Specs
Research 2018 BMW 6 Series specs for the trims available. Choose the desired trim / style from the dropdown list to see the corresponding specs.
640i Convertible
Brakes
| Brake Type |
4-Wheel Disc |
| Disc - Front (Yes or ) |
Yes |
| Drum - Rear (Yes or ) |
|
| Rear Drum Diam x Width (in) |
|
| Disc - Rear (Yes or ) |
Yes |
| Front Brake Rotor Diam x Thickness (in) |
13.7 |
| Rear Brake Rotor Diam x Thickness (in) |
13.6 |
| Brake ABS System |
4-Wheel |
Cargo Area Dimensions
Electrical
| Maximum Alternator Capacity (amps) |
210 |
Emissions
| Tons/yr of CO2 Emissions @ 15K mi/year |
7.7 |
Engine
| Engine Type |
Intercooled Turbo Premium Unleaded I-6 |
| Displacement |
3.0 L/182 |
| SAE Net Horsepower @ RPM |
315 @ 5800 |
| Fuel System |
Gasoline Direct Injection |
| SAE Net Torque @ RPM |
330 @ 1400 |
| Engine Order Code |
|
Exterior Dimensions
| Length, Overall (in) |
192.8 |
| Min Ground Clearance (in) |
4.8 |
| Track Width, Rear (in) |
65.2 |
| Track Width, Front (in) |
63 |
| Height, Overall (in) |
53.7 |
| Width, Max w/o mirrors (in) |
74.6 |
| Wheelbase (in) |
112.4 |
Fuel Tank
| Fuel Tank Capacity, Approx (gal) |
18.5 |
Interior Dimensions
| Front Shoulder Room (in) |
56.9 |
| Front Head Room (in) |
40.3 |
| Second Head Room (in) |
36.5 |
| Second Leg Room (in) |
30.5 |
| Second Shoulder Room (in) |
49.6 |
| Front Leg Room (in) |
42.1 |
| Passenger Volume (ft³) |
89 |
| Passenger Capacity |
4 |
Mileage
| EPA Fuel Economy Est - City (MPG) |
20 |
| Fuel Economy Est-Combined (MPG) |
23 |
| EPA Fuel Economy Est - Hwy (MPG) |
29 |
Steering
| Steering Type |
Rack-Pinion |
| Turning Diameter - Curb to Curb (ft) |
38.4 |
Summary
| Vehicle Name |
BMW 6 Series |
| Body Style |
Convertible |
Suspension
| Suspension Type - Rear |
Multi-Link |
| Suspension Type - Front (Cont.) |
Double Wishbone |
| Suspension Type - Rear (Cont.) |
Multi-Link |
| Suspension Type - Front |
Double Wishbone |
Tires
| Rear Tire Size |
P275/30YR20 |
| Rear Tire Size |
P275/30YR20 |
| Rear Tire Size |
P245/45VR18 |
| Spare Tire Size |
|
| Front Tire Size |
P245/35YR20 |
| Front Tire Order Code |
|
| Rear Tire Order Code |
|
| Spare Tire Order Code |
|
| Front Tire Size |
P245/40VR19 |
| Front Tire Size |
P245/35YR20 |
| Front Tire Size |
P245/40YR19 |
| Front Tire Size |
P245/45VR18 |
| Rear Tire Size |
P245/40VR19 |
| Rear Tire Size |
P275/35YR19 |
Transmission
| Eighth Gear Ratio (:1) |
0.67 |
| Final Drive Axle Ratio (:1) |
3.23 |
| Reverse Ratio (:1) |
3.29 |
| Sixth Gear Ratio (:1) |
1.00 |
| Fifth Gear Ratio (:1) |
1.28 |
| Fourth Gear Ratio (:1) |
1.67 |
| Third Gear Ratio (:1) |
2.11 |
| Second Gear Ratio (:1) |
3.14 |
| First Gear Ratio (:1) |
4.71 |
| Trans Description Cont. Again |
|
| Trans Description Cont. |
Automatic w/OD |
| Trans Type |
8 |
| Trans Order Code |
2TB |
| Drivetrain |
Rear Wheel Drive |
| Seventh Gear Ratio (:1) |
0.84 |
Vehicle
| EPA Classification |
Subcompact Cars |
Weight Information
| Base Curb Weight (lbs) |
4255 |
Wheels
| Front Wheel Size (in) |
20 X 8.5 |
| Front Wheel Size (in) |
19 X 8.5 |
| Front Wheel Size (in) |
19 X 8.5 |
| Front Wheel Size (in) |
19 X 8.5 |
| Front Wheel Size (in) |
19 X 8.5 |
| Front Wheel Size (in) |
20 X 8.5 |
| Rear Wheel Size (in) |
19 X 8.5 |
| Rear Wheel Size (in) |
19 X 9 |
| Rear Wheel Size (in) |
20 X 9 |
| Rear Wheel Size (in) |
20 X 9 |
| Rear Wheel Size (in) |
18 X 8 |
| Spare Wheel Size (in) |
|
| Front Wheel Material |
Forged Aluminum |
| Front Wheel Material |
Aluminum |
| Rear Wheel Material |
Forged Aluminum |
| Rear Wheel Material |
Aluminum |
| Spare Wheel Material |
|
| Rear Wheel Size (in) |
19 X 8.5 |
| Rear Wheel Size (in) |
19 X 9 |
| Front Wheel Size (in) |
18 X 8 |
| Rear Wheel Size (in) |
20 X 9 |
| Front Wheel Size (in) |
20 X 8.5 |
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