The BMW 5 Series Touring (E61) facelift, officially launched in 2007 as the LCI (Life Cycle Impulse) model, represented a significant mid-cycle refresh of the E61 wagon. The 520i Steptronic variant, powered by the N43B20A 2.0-liter inline-four engine producing 170 horsepower, occupied a crucial position in the 5 Series lineup. It served as the entry-level petrol engine option for buyers prioritizing fuel efficiency and a comfortable driving experience over outright performance. Production of this specific configuration ran from 2007 through 2010, appealing to a broad customer base seeking a practical, premium wagon.
Technical Specifications
| Brand | BMW |
| Model | 5 Series |
| Generation | 5 Series Touring (E61 LCI, facelift 2007) |
| Type (Engine) | 520i (170 Hp) Steptronic |
| Start of production | 2007 |
| End of production | 2010 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Station wagon (estate) |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (urban) | 9.5 l/100 km (24.8 US mpg, 29.7 UK mpg, 10.5 km/l) |
| Fuel consumption (extra urban) | 5.5 l/100 km (42.8 US mpg, 51.4 UK mpg, 18.2 km/l) |
| Fuel consumption (combined) | 7 l/100 km (33.6 US mpg, 40.4 UK mpg, 14.3 km/l) |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 10 sec |
| Acceleration 0 – 62 mph | 10 sec |
| Acceleration 0 – 60 mph | 9.5 sec |
| Maximum speed | 219 km/h (136.08 mph) |
| Emission standard | Euro 4 |
| Weight-to-power ratio | 9.4 kg/Hp, 106.9 Hp/tonne |
| Weight-to-torque ratio | 7.6 kg/Nm, 132.1 Nm/tonne |
| Power | 170 Hp @ 6700 rpm |
| Power per litre | 85.2 Hp/l |
| Torque | 210 Nm @ 4250 rpm (154.89 lb.-ft. @ 4250 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | N43B20A |
| Engine displacement | 1995 cm3 (121.74 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 84 mm (3.31 in.) |
| Piston Stroke | 90 mm (3.54 in.) |
| Compression ratio | 12:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection |
| Engine aspiration | Naturally aspirated engine |
| Engine oil capacity | 4.25 l (4.49 US qt | 3.74 UK qt) |
| Coolant | 9.8 l (10.36 US qt | 8.62 UK qt) |
| Kerb Weight | 1590 kg (3505.35 lbs.) |
| Max. weight | 2190 kg (4828.12 lbs.) |
| Max load | 600 kg (1322.77 lbs.) |
| Trunk (boot) space – minimum | 500 l (17.66 cu. ft.) |
| Trunk (boot) space – maximum | 1650 l (58.27 cu. ft.) |
| Fuel tank capacity | 70 l (18.49 US gal | 15.4 UK gal) |
| Length | 4843 mm (190.67 in.) |
| Width | 1846 mm (72.68 in.) |
| Height | 1491 mm (58.7 in.) |
| Wheelbase | 2888 mm (113.7 in.) |
| Front track | 1558 mm (61.34 in.) |
| Rear (Back) track | 1581 mm (62.24 in.) |
| Ride height (ground clearance) | 143 mm (5.63 in.) |
| Drag coefficient (Cd) | 0.29 |
| Minimum turning circle (turning diameter) | 11.4 m (37.4 ft.) |
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the rear wheels of the vehicle. |
| Drive wheel | Rear wheel drive |
| Number of gears and type of gearbox | 6 gears, automatic transmission |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Tires size | 225/55 R16 W |
| Wheel rims size | 16 |
Powertrain & Engine Architecture
The heart of the 520i Steptronic is the N43B20A, a 2.0-liter naturally aspirated inline-four cylinder engine. This engine utilizes direct fuel injection, a technology BMW termed “High Precision Injection” (HPI), to deliver fuel directly into the combustion chamber, improving efficiency and reducing emissions. The N43 featured a relatively high compression ratio of 12:1, contributing to its power output. Valvetrain employed double VANOS (Variable Valve Timing) on both intake and exhaust camshafts, optimizing engine breathing across the rev range. The ‘Steptronic’ transmission refers to BMW’s 6-speed automatic gearbox, known for its smooth shifts and adaptive learning capabilities. This transmission was designed to balance fuel economy with acceptable performance, and featured both manual shift modes and a fully automatic setting.
Driving Characteristics
The 170 horsepower and 210 Nm (155 lb-ft) of torque delivered by the N43B20A in the 520i Steptronic resulted in a 0-60 mph time of around 9.5 seconds and a top speed of 136 mph. While not a sports car by any means, the 520i offered adequate performance for everyday driving. The automatic transmission, while smooth, did slightly diminish acceleration compared to the available 6-speed manual. Gear ratios were tuned for fuel efficiency, meaning the engine often felt strained during quick overtaking maneuvers. Compared to the more powerful 525i or 530i models, the 520i prioritized comfort and economy over outright speed. The rear-wheel drive configuration provided a balanced feel, typical of BMWs, but lacked the all-weather capability of the xDrive all-wheel drive system available on other 5 Series variants.
Equipment & Trim Levels
The 520i Steptronic typically came standard with features such as automatic climate control, power windows, power mirrors, a multi-function steering wheel, and a basic audio system. Upholstery was usually cloth, though leather options were available. Common optional extras included a sunroof, navigation system, upgraded audio, sport seats, and parking sensors. The LCI facelift brought subtle interior revisions, including updated trim materials and improved iDrive functionality. The 520i was often seen as a stepping stone into the 5 Series range, offering a good level of standard equipment without the higher price tag of the more luxurious trims.
Chassis & Braking
The E61 5 Series utilized a MacPherson strut front suspension and an independent multi-link rear suspension. The 520i, being the entry-level model, generally featured slightly smaller stabilizer bars compared to the higher-performance variants. Braking consisted of ventilated discs at the front and solid discs at the rear. ABS (Anti-lock Braking System) was standard. The suspension tuning prioritized ride comfort, making the 520i a pleasant cruiser. The relatively lower weight of the 2.0-liter engine compared to the six-cylinder models contributed to a slightly more agile feel.
Market Reception & Comparison
The 520i Steptronic was generally well-received by critics as a sensible and practical option within the 5 Series range. It was praised for its fuel efficiency and comfortable ride, but criticized for its lack of outright performance. Compared to the 525i and 530i, the 520i offered a lower purchase price and better fuel economy, but at the expense of acceleration and refinement. The diesel-powered 520d was a popular alternative, offering even better fuel economy and comparable torque. Reliability was generally good, although the N43 engine was known to be susceptible to certain issues, such as valvetronic system problems and oil leaks, requiring preventative maintenance.
Legacy
The E61 520i Steptronic, while not the most sought-after variant of the E61 generation, remains a relatively affordable entry point into BMW ownership. The N43 engine, despite its potential issues, can provide years of reliable service with proper maintenance. Today, these cars are often found as used family vehicles, appreciated for their spaciousness, comfort, and practicality. The combination of a comfortable ride, reasonable running costs, and the prestige of the BMW badge ensures a continued demand in the used car market, particularly for well-maintained examples.
