The BMW i4 eDrive40, produced from November 2021 to June 2024, represents BMW’s initial foray into the all-electric, four-door coupe segment. Based on a modified version of the 3 Series (G20) platform, the i4 (G26) aimed to deliver a blend of BMW’s traditional driving dynamics with the benefits of zero-emission motoring. The eDrive40 variant, equipped with an 83.9 kWh battery and a single rear-mounted electric motor, served as the primary model in the i4 lineup, positioned as a balance between range, performance, and price. It targeted buyers seeking a premium electric vehicle experience without the higher cost and performance focus of the M50 variant.
Technical Specifications
| Brand | BMW |
| Model | i4 |
| Generation | i4 (G26) |
| Type (Engine) | 83.9 kWh (340 Hp) eDrive40 |
| Start of production | November, 2021 |
| End of production | June, 2024 |
| Powertrain Architecture | BEV (Electric Vehicle) |
| Body type | Coupe |
| Seats | 5 |
| Doors | 5 |
| Fuel Type | Electricity |
| Acceleration 0 – 100 km/h | 5.7 sec |
| Acceleration 0 – 62 mph | 5.7 sec |
| Acceleration 0 – 60 mph | 5.4 sec |
| Maximum speed | 190 km/h (118.06 mph) |
| Weight-to-power ratio | 6 kg/Hp, 165.9 Hp/tonne |
| Weight-to-torque ratio | 4.8 kg/Nm, 209.8 Nm/tonne |
| Gross battery capacity | 83.9 kWh |
| Net (usable) battery capacity | 80.7 kWh |
| Battery voltage | 398.5 V |
| Battery technology | Lithium-ion (Li-Ion) |
| Battery location | Below the floor |
| Recuperation output | 116 kW |
| All-electric range (WLTP) | 493-590 km (306.34 – 366.61 mi) |
| Average Energy consumption (WLTP) | 16.1-19.1 kWh/100 km (25.91 – 30.74 kWh/100 mi) |
| MPGe | 130 – 110 |
| km/kWh | 6.2 – 5.2 |
| mi/kWh | 3.9 – 3.3 |
| Electric motor power | 340 Hp @ 8000-17000 rpm |
| Electric motor Torque | 430 Nm (317.15 lb.-ft.) @ 0-5000 rpm |
| Electric motor location | Rear axle, Transverse |
| Electric motor type | Synchronous |
| System power | 340 Hp @ 8000-17000 rpm |
| System torque | 430 Nm (317.15 lb.-ft.) @ 0-5000 rpm |
| Kerb Weight | 2050 kg (4519.48 lbs.) |
| Max. weight | 2605 kg (5743.04 lbs.) |
| Max load | 555 kg (1223.57 lbs.) |
| Trunk (boot) space – minimum | 470 l (16.6 cu. ft.) |
| Trunk (boot) space – maximum | 1290 l (45.56 cu. ft.) |
| Max. roof load | 75 kg (165.35 lbs.) |
| Permitted trailer load with brakes (12%) | 1600 kg (3527.4 lbs.) |
| Permitted trailer load without brakes | 750 kg (1653.47 lbs.) |
| Permitted towbar download | 75 kg (165.35 lbs.) |
| Length | 4783 mm (188.31 in.) |
| Width | 1852 mm (72.91 in.) |
| Height | 1448 mm (57.01 in.) |
| Wheelbase | 2856 mm (112.44 in.) |
| Front track | 1601 mm (63.03 in.) |
| Rear (Back) track | 1630 mm (64.17 in.) |
| Ride height (ground clearance) | 125 mm (4.92 in.) |
| Drag coefficient (Cd) | 0.24 |
| Minimum turning circle (turning diameter) | 12.5 m (41.01 ft.) |
| Drivetrain Architecture | One electric motor drives the rear wheels. |
| Drive wheel | Rear wheel drive |
| Number of gears and type of gearbox | 1 gears, automatic transmission |
| Front suspension | Spring Strut |
| Rear suspension | Independent multi-link suspension |
| Front brakes | Ventilated discs |
| Rear brakes | Ventilated discs |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
| Tires size | 225/55 R17 |
| Wheel rims size | 7.5J x 17 |
Powertrain & Engine Architecture
The i4 eDrive40 utilizes a single, rear-mounted electric motor (PSM – Permanently Synchronous Motor) producing 340 horsepower and 317 lb-ft of torque. This motor is powered by a 83.9 kWh lithium-ion battery pack located low in the vehicle’s floor, contributing to a low center of gravity and improved handling. The battery pack employs a sophisticated thermal management system to maintain optimal operating temperatures for both performance and longevity. The motor’s power delivery is characterized by instant torque, typical of electric vehicles, providing brisk acceleration. The single-speed automatic transmission is a standard feature, simplifying the driving experience and maximizing efficiency. The motor operates within a broad RPM range (8000-17000 rpm) allowing for a wide range of driving conditions.
Driving Characteristics
The i4 eDrive40 delivers a smooth and refined driving experience. Acceleration from 0 to 60 mph takes approximately 5.4 seconds, making it competitive with many gasoline-powered sports sedans. The rear-wheel-drive configuration provides a balanced feel, and the low center of gravity contributes to confident cornering. Compared to the higher-performance i4 M50, the eDrive40 prioritizes efficiency and comfort over outright speed. The single-speed transmission offers seamless acceleration, and the regenerative braking system allows for one-pedal driving in certain situations. While not as dynamically engaging as some traditional BMWs, the i4 eDrive40 offers a compelling blend of performance and efficiency.
Equipment & Trim Levels
The i4 eDrive40 came standard with a comprehensive suite of features, including BMW’s iDrive 8 infotainment system with a curved display, a 14.9-inch touchscreen, and a digital instrument cluster. Standard safety features included automatic emergency braking, lane departure warning, and adaptive cruise control. Interior upholstery was typically Sensatec artificial leather, with options for Vernasca leather. Available options included a premium sound system, a head-up display, and various driver-assistance packages. Trim levels were relatively streamlined, with most customization occurring through individual options rather than distinct packages.
Chassis & Braking
The i4 eDrive40 utilizes a modified version of the 3 Series chassis, featuring a MacPherson strut front suspension and a multi-link rear suspension. The suspension is tuned to provide a balance between comfort and handling. Brakes are ventilated discs at all four corners, providing ample stopping power. The regenerative braking system works in conjunction with the friction brakes to recapture energy and extend range. The vehicle’s weight distribution is optimized by the placement of the battery pack, contributing to improved stability and handling.
Market Reception & Comparison
The BMW i4 eDrive40 was generally well-received by automotive critics, praised for its blend of performance, range, and practicality. It was often compared to the Tesla Model 3, with reviewers noting the i4’s more traditional interior and BMW’s reputation for driving dynamics. Fuel economy, expressed as MPGe, ranged from 110 to 130, depending on driving conditions. Reliability reports have been generally positive, with few major issues reported. Compared to the i4 M50, the eDrive40 offered a more affordable entry point into the i4 lineup, appealing to a broader range of buyers.
Legacy
The i4 eDrive40 established BMW as a serious contender in the electric vehicle market. Its combination of BMW’s established brand reputation, a competitive range, and a refined driving experience helped to accelerate the adoption of electric vehicles. On the used car market, the i4 eDrive40 holds its value relatively well, reflecting its desirability and the growing demand for electric vehicles. The powertrain has proven to be reliable, and the battery pack is expected to provide many years of service. The i4 eDrive40 paved the way for future electric BMW models and demonstrated the brand’s commitment to sustainable mobility.
