Convertible, 2 Doors, 4 Seats
 
                                                6.8-7.2 l/100 km 34.59 - 32.67 US mpg
                         
                       
                                                 9.1-9.5 l/100 km 25.85 - 24.76 US mpg
                         
                                               5.5-5.8 l/100 km 42.77 - 40.55 US mpg                         
                     
                       
                                                  326 Hp @ 5500 rpm.
                         
                                                  108.7 Hp/l                         
                        
250 km/h 155.34 mph
                                            2998  cm3
                                        182.95 cu. in.                                                               
6, Inline
Rear wheel drive,
                                       4640 mm                                       
 182.68 in.                                              
                                       1825 mm                                       
 71.85 in.                                              
                                       1770 kg                                       
3902.18 lbs.                                              
| Brand | BMW | 
|---|---|
| Model | 4 Series (Convertible) | 
| Version | 4 Series Convertible (F33, facelift 2017) | 
| Engine version | 440i (326 Hp) Steptronic | 
| Year production start | 2017 | 
| Year production end | 2020 | 
| Vehicle type | Convertible | 
| Horsepower RPM | 326 Hp @ 5500 rpm. | 
| Acceleration 0 - 100 kmh sec | 5.4 sec | 
| Curb weight kg -lbs total | 
                                                                        1770 kg3902.18 lbs. | 
                              
| Overall length mm - inch | 
                                                                        4640 mm182.68 in. | 
                              
| Doors | 2 | 
| Top Speed | 250 km/h 155.34 mph | 
| Designation model | B58B30 | 
|---|---|
| Engine position and orientation | Front, Longitudinal | 
| Cylinders | 6 | 
| Position of cylinders | Inline | 
| Displacement (liters) | 
                                                                                          2998 cm3182.95 cu. in. | 
                              
| Eng. horsepower RPM | 326 Hp @ 5500 rpm. | 
| Horsepower per litre | 108.7 Hp/l | 
| Weight / horsepower kg/hp - hp/tons | 
                                                                                 5.4 kg/Hp184.2 Hp/tonne | 
                                    
| Weight / torque kg/Nm - Nm/tons | 3.9 kg/Nm, 254.2 Nm/tonne                                    
                                                                                 3.9 kg/Nm254.2 Nm/tonne | 
                                    
| Torque Nm RPM lb-ft RPM | 
                                                                           450 Nm @ 1380-5000 rpm.331.9 lb.-ft. @ 1380-5000 rpm. | 
                                 
| Bore (mm in) | 
                                                                                 82 mm3.23 in. | 
                                    
| Stroke (mm in) | 
                                                                                 94.6 mm3.72 in. | 
                                    
| Compression ratio | 11 | 
| Fuel delivery system | Direct injection | 
| Fuel type | Petrol (Gasoline) | 
| Valvetrain | 4 | 
| Engine aspiration | Twin-power turbo, Intercooler | 
| Engine oil liters | quarts | 
                                                                                 6.5 l6.87 US qt | 5.72 UK qt | 
                                    
| Emission certification | Euro 6 | 
| Powertrain architecture | Internal Combustion engine | 
| Engine location | Front, Longitudinal | 
| Drive configuration | Rear wheel drive | 
|---|
| Front brakes | Ventilated discs | 
|---|---|
| Rear brakes | Ventilated discs | 
| Brake control | Ventilated discs | 
| Anti-lock brake system | ABS (Anti-lock braking system) | 
| Steering type | Steering rack and pinion | 
|---|---|
| Turning diameter m - ft | 
                                                                   11.3 m37.07 ft. | 
                             
| Front suspension | Independent, spring | 
|---|---|
| Rear suspension | Multi-link independent | 
| Wheels size | 225/50 R17; 225/45 R18; 255/40 R18; 225/40 R19; 255/35 R19 | 
|---|---|
| Wheels rims | 7.5J x 17; 8J x 18; 8.5J x 18; 8J x 19; 8.5J x 19 | 
| Passengers seats | 4 | 
|---|---|
| Trunk space min liter | cu. Ft. | 
                                                                                    370 l13.07 cu. ft. | 
                                    
| Overall length mm - inch | 
                                                                           4640 mm182.68 in. | 
                                 
|---|---|
| Overall width mm -inch | 
                                                                           1825 mm71.85 in. | 
                                 
| Overall height mm -inch | 
                                                                           1384 mm54.49 in. | 
                                 
| Wheelbase mm - inch | 
                                                                           2810 mm110.63 in. | 
                                 
| Track width front mm - inch | 
                                                                           1544 mm60.79 in. | 
                                 
| Track width rear mm - inch | 
                                                                           1593 mm62.72 in. | 
                                 
| Coefficient of drag | 0.3 | 
| Curb weight kg -lbs total |                                     
                                                                           1770 kg3902.18 lbs. | 
                                 
|---|---|
| Gross weight kg -lbs total |                                     
                                                                     2230 kg4916.31 lbs. | 
                              
| Capacities kg - lbs |                                     
                                                                                 460 kg1014.13 lbs. | 
                                    
| Fuel tank liters | gallons | 
                                                                              60 l15.85 US gal | 13.2 UK gal | 
                                 
| City l/100km - mpg |                                        
                                                                              9.1-9.5 l/100 km25.85 - 24.76 US mpg | 
                                 
|---|---|
| Highway l/100 km - mpg |                               
                                                                           5.5-5.8 l/100 km42.77 - 40.55 US mpg | 
                                 
| Combined l/100 km - Mpg |                                    
                                                                              6.8-7.2 l/100 km34.59 - 32.67 US mpg | 
                                    
| Autonomy km (combined use) | 882 | 
6 CYLINDER INLINE
https://www.thecarspec.com/components/engine/6-cylinder-engine