The BMW 520i Steptronic, produced from 2000 to 2003, was a key variant within the E39 5 Series facelift range. Positioned as the entry-level model in many markets, particularly in Europe, it offered a blend of BMW’s renowned driving dynamics with a more accessible price point and fuel efficiency. This version utilized a 2.2-liter inline-six engine paired with a five-speed automatic transmission, marketed as “Steptronic.” The E39 facelift, introduced in late 1998, brought significant updates to the original E39 platform, including revised styling, updated engines, and improved interior appointments. The 520i Steptronic aimed to provide a comfortable and refined driving experience for those prioritizing practicality and economy over outright performance.
Technical Specifications
| Brand | BMW |
| Model | 5 Series |
| Generation | 5 Series (E39, Facelift 2000) |
| Type (Engine) | 520i (170 Hp) Steptronic |
| Start of production | 2000 |
| End of production | 2003 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 13.5 l/100 km (17.4 US mpg, 20.9 UK mpg) |
| Fuel consumption (extra urban) | 7.8 l/100 km (30.2 US mpg, 36.2 UK mpg) |
| Fuel consumption (combined) | 9.9 l/100 km (23.8 US mpg, 28.5 UK mpg) |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 10.2 sec |
| Acceleration 0 – 62 mph | 10.2 sec |
| Acceleration 0 – 60 mph | 9.7 sec |
| Maximum speed | 220 km/h (136.7 mph) |
| Weight-to-power ratio | 8.8 kg/Hp |
| Weight-to-torque ratio | 7.1 kg/Nm |
| Power | 170 Hp @ 6100 rpm |
| Torque | 210 Nm @ 3500 rpm (154.89 lb.-ft. @ 3500 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | M54B22 |
| Engine displacement | 2171 cm3 (132.48 cu. in.) |
| Number of cylinders | 6 |
| Engine configuration | Inline |
| Cylinder Bore | 80 mm (3.15 in.) |
| Piston Stroke | 72 mm (2.83 in.) |
| Compression ratio | 10.8:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Naturally aspirated |
| Valvetrain | DOHC |
| Engine oil capacity | 6.5 l (6.87 US qt | 5.72 UK qt) |
| Coolant capacity | 10.5 l (11.1 US qt | 9.24 UK qt) |
| Kerb Weight | 1495 kg (3295.91 lbs.) |
| Max. weight | 2005 kg (4420.27 lbs.) |
| Max load | 510 kg (1124.36 lbs.) |
| Trunk (boot) space – minimum | 460 l (16.24 cu. ft.) |
| Fuel tank capacity | 70 l (18.49 US gal | 15.4 UK gal) |
| Length | 4775 mm (187.99 in.) |
| Width | 1800 mm (70.87 in.) |
| Height | 1435 mm (56.5 in.) |
| Wheelbase | 2830 mm (111.42 in.) |
| Front track | 1516 mm (59.69 in.) |
| Rear (Back) track | 1530 mm (60.24 in.) |
| Drivetrain Architecture | Rear wheel drive |
| Number of gears and type of gearbox | 5 gears, automatic transmission |
| Front suspension | Wishbone |
| Rear suspension | Several levers and rods |
| Front brakes | Ventilated discs |
| Rear brakes | Ventilated discs |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Hydraulic Steering |
| Tires size | 205/65 R15 |
| Wheel rims size | 15 |
Powertrain & Engine Architecture
The heart of the 520i Steptronic is the M54B22, a 2.2-liter inline-six engine. This engine is a naturally aspirated powerplant featuring double overhead camshafts (DOHC) and four valves per cylinder. It utilizes a multi-port fuel injection system, delivering fuel directly into the intake ports. The M54 engine family was known for its smooth power delivery and relatively high reliability. The 520i’s version produced 170 horsepower at 6100 rpm and 210 Nm (154.89 lb-ft) of torque at 3500 rpm. The “Steptronic” transmission is a five-speed automatic gearbox offering both fully automatic operation and a manual shift mode, allowing drivers some control over gear selection. This transmission was designed to provide smooth and comfortable gear changes, prioritizing refinement over outright performance.
Driving Characteristics
The 520i Steptronic offered a comfortable and composed driving experience. While not as sporty as the higher-powered 530i or 540i models, it provided adequate performance for everyday driving. Acceleration from 0 to 60 mph took around 9.7 seconds, and the top speed was limited to 136.7 mph. The automatic transmission, while smooth, did slightly diminish the engine’s responsiveness compared to the six-speed manual option available on other 5 Series models. Gear ratios were tuned for fuel efficiency and comfort, resulting in a less engaging driving experience for enthusiasts. However, the 520i’s lighter weight compared to its larger-engined siblings contributed to better fuel economy and improved handling in certain situations.
Equipment & Trim Levels
The 520i Steptronic typically came standard with features such as power windows, power locks, air conditioning, and an AM/FM stereo. Upholstery was usually cloth, although leather was available as an option. Common optional extras included a sunroof, heated seats, a navigation system, and upgraded audio systems. The interior design was typical of BMW at the time, emphasizing functionality and a driver-focused layout. Trim levels varied depending on the market, but generally, the 520i represented the entry point into the E39 5 Series range, offering a good balance of features and affordability.
Chassis & Braking
The E39 5 Series featured a robust chassis with a MacPherson strut front suspension and a multi-link rear suspension. The 520i utilized a slightly softer suspension setup compared to the higher-performance models, prioritizing ride comfort. Braking duties were handled by ventilated disc brakes on all four wheels, providing adequate stopping power for the vehicle’s weight and performance. Anti-lock braking system (ABS) was standard. The 520i’s curb weight of 1495 kg (3295.91 lbs) was relatively low for a vehicle of its size, contributing to its balanced handling characteristics.
Market Reception & Comparison
The 520i Steptronic was generally well-received by automotive critics as a practical and comfortable executive sedan. It was praised for its smooth engine, refined ride, and good fuel economy. However, some reviewers noted that the automatic transmission could feel sluggish at times, and the performance was not as exhilarating as that of the 530i or 540i. Compared to the 523i and 528i models, the 520i offered a more affordable entry point into the 5 Series range, but at the expense of some performance. The 520i’s fuel economy was notably better than the larger-engined variants, making it a popular choice for drivers who prioritized efficiency.
Legacy
The M54B22 engine, found in the 520i Steptronic, is generally considered a reliable powerplant when properly maintained. Common issues include oil leaks and occasional cooling system problems, but these are typically not major concerns. The Steptronic automatic transmission is also relatively durable, although regular fluid changes are essential to prevent premature wear. Today, the E39 520i Steptronic represents an affordable entry point into BMW ownership. It’s a popular choice for enthusiasts seeking a classic BMW sedan with a comfortable ride and reasonable running costs. Well-maintained examples are becoming increasingly collectible, and the car’s reputation for reliability and build quality ensures its continued presence on the roads.
