The BMW 525d Steptronic, produced from 2013 to 2016, represents a significant iteration within the F10 generation of the 5 Series sedan. This variant, part of the Life Cycle Impulse (LCI) or facelift introduced in 2013, aimed to balance fuel efficiency with respectable performance, appealing to a broad segment of the executive car market. Positioned as a mid-range offering, the 525d slotted below the more powerful 535i and 550i models, while offering a more economical alternative to the gasoline-powered options. It was a key model for BMW in Europe and other markets prioritizing diesel efficiency, though it also found a niche audience in the United States.
Technical Specifications
| Brand | BMW |
| Model | 5 Series |
| Generation | 5 Series Sedan (F10 LCI, Facelift 2013) |
| Type (Engine) | 525d (218 Hp) Steptronic |
| Start of production | 2013 |
| End of production | 2016 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 5.6-6.0 l/100 km (42 – 39.2 US mpg) |
| Fuel consumption (extra urban) | 4.1-4.5 l/100 km (57.4 – 52.3 US mpg) |
| Fuel consumption (combined) | 4.7-5.0 l/100 km (50 – 47 US mpg) |
| CO2 emissions | 123-133 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 6.9 sec |
| Acceleration 0 – 62 mph | 6.9 sec |
| Acceleration 0 – 60 mph | 6.6 sec |
| Maximum speed | 243 km/h (150.99 mph) |
| Emission standard | Euro 6 |
| Weight-to-power ratio | 7.6 kg/Hp, 131.7 Hp/tonne |
| Weight-to-torque ratio | 3.7 kg/Nm, 271.9 Nm/tonne |
| Power | 218 Hp @ 4400 rpm |
| Torque | 450 Nm @ 1500-2500 rpm (331.9 lb.-ft. @ 1500-2500 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | N47D20D |
| 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 | 16.5:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Diesel Commonrail |
| Engine aspiration | Twin-power turbo, Intercooler |
| Engine oil capacity | 7 l (7.4 US qt | 6.16 UK qt) |
| Coolant | 10 l (10.57 US qt | 8.8 UK qt) |
| Kerb Weight | 1655 kg (3648.65 lbs.) |
| Max. weight | 2265 kg (4993.47 lbs.) |
| Max load | 610 kg (1344.82 lbs.) |
| Trunk (boot) space – minimum | 520 l (18.36 cu. ft.) |
| Fuel tank capacity | 70 l (18.49 US gal | 15.4 UK gal) |
| Max. roof load | 100 kg (220.46 lbs.) |
| Permitted trailer load with brakes (12%) | 2000 kg (4409.25 lbs.) |
| Permitted trailer load without brakes | 750 kg (1653.47 lbs.) |
| Permitted towbar download | 90 kg (198.42 lbs.) |
| Length | 4907 mm (193.19 in.) |
| Width | 1860 mm (73.23 in.) |
| Height | 1464 mm (57.64 in.) |
| Wheelbase | 2968 mm (116.85 in.) |
| Front track | 1600 mm (62.99 in.) |
| Rear (Back) track | 1627 mm (64.06 in.) |
| Ride height (ground clearance) | 141 mm (5.55 in.) |
| Drag coefficient (Cd) | 0.26 |
| Minimum turning circle (turning diameter) | 11.95 m (39.21 ft.) |
| Drivetrain Architecture | Rear wheel drive |
| Number of gears and type of gearbox | 8 gears, automatic transmission Steptronic |
| Front suspension | Double wishbone |
| 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; 245/45 R18; 275/40 R18; 245/40 R19; 275/35 R19; 245/35 R20; 275/30 R20 |
| Wheel rims size | 8J x 17; 8J x 18; 9J x 18; 8.5J x 19; 9J x 19; 8.5J x 20; 9J x 20 |
Powertrain & Engine Architecture
The heart of the 525d Steptronic is the BMW N47D20D engine, a 2.0-liter inline-four cylinder diesel. This engine is a member of BMW’s highly successful N47 family, known for its efficiency and refinement. The N47D20D utilizes a second-generation common rail direct injection system, delivering fuel at pressures up to 1800 bar for optimized combustion. A twin-scroll turbocharger with variable geometry turbine (VGT) technology provides a broad torque curve and minimizes turbo lag. The engine also features intercooling to further enhance performance. The 525d is paired with BMW’s 8-speed Steptronic automatic transmission, a torque converter automatic known for its smooth shifts and efficiency. This transmission offers both automatic and manual shift modes, allowing drivers to tailor the driving experience to their preferences.
Driving Characteristics
The 525d Steptronic delivers a comfortable and refined driving experience. While not as overtly sporty as its gasoline-powered siblings, the 218 horsepower and 450 Nm (331.9 lb-ft) of torque provide ample power for everyday driving and highway cruising. Acceleration from 0 to 60 mph takes approximately 6.6 seconds. The 8-speed automatic transmission contributes to smooth gear changes and helps keep the engine in its optimal power band. Compared to the manual transmission versions of the 525d, the Steptronic offers greater convenience, particularly in urban traffic. However, some enthusiasts may find the automatic slightly less engaging than the manual. The torque delivery is strong from low RPMs, making it easy to navigate traffic and overtake other vehicles.
Equipment & Trim Levels
The 525d Steptronic typically came standard with a comprehensive list of features, including leather upholstery, automatic climate control, a multi-function steering wheel, and BMW’s iDrive infotainment system. Optional extras included features such as a navigation system, premium sound system, heated seats, and a sunroof. The interior design was characterized by BMW’s typical focus on quality materials and ergonomics. Trim levels varied depending on the market, but generally offered options for upgraded interior finishes and exterior styling elements.
Chassis & Braking
The F10 5 Series features a sophisticated chassis design. The 525d Steptronic utilizes a double wishbone front suspension and an independent multi-link rear suspension, providing a comfortable ride and precise handling. The braking system consists of ventilated disc brakes on all four wheels, offering strong stopping power. Anti-lock Braking System (ABS) and Electronic Stability Control (ESC) are standard features, enhancing safety and stability. The suspension tuning is geared towards comfort, but still provides a reasonably engaging driving experience.
Market Reception & Comparison
The 525d Steptronic was generally well-received by automotive critics. It was praised for its fuel efficiency, comfortable ride, and refined interior. However, some reviewers noted that the engine lacked the outright performance of its gasoline-powered counterparts. Compared to the 535i, the 525d offered significantly better fuel economy but less horsepower and acceleration. The 525d also provided a more economical alternative to the 530d, while still offering a respectable level of performance. Its fuel economy figures of 4.7-5.0 l/100 km (50-47 US mpg) made it an attractive option for drivers prioritizing efficiency.
Legacy
The N47D20D engine, found in the 525d Steptronic, has proven to be a relatively reliable powertrain, although early versions of the N47 engine were known for timing chain issues. Later revisions addressed these concerns, improving the engine’s long-term durability. Today, the 525d Steptronic represents a good value proposition in the used car market, offering a blend of luxury, efficiency, and reliability. Regular maintenance, including oil changes and timing chain inspections, is crucial to ensure the longevity of this powertrain. The F10 5 Series, including the 525d, remains a popular choice among buyers seeking a well-rounded and comfortable executive sedan.
