Technical Specifications
| Brand | BMW |
| Model | X3 |
| Generation | X3 (F25 LCI, facelift 2014) |
| Type (Engine) | 28d (184 Hp) xDrive Steptronic |
| Start of production | 2014 |
| End of production | 2017 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | SUV |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (economy) – urban (EPA) | 8.7 l/100 km (27 US mpg, 32.5 UK mpg, 11.5 km/l) |
| Fuel consumption (economy) – extra urban (EPA) | 6.9 l/100 km (34.1 US mpg, 40.9 UK mpg, 14.5 km/l) |
| Fuel consumption (economy) – combined (EPA) | 7.8 l/100 km (30.2 US mpg, 36.2 UK mpg, 12.8 km/l) |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 8.3 sec |
| Acceleration 0 – 62 mph | 8.3 sec |
| Acceleration 0 – 60 mph | 7.8 sec |
| Maximum speed | 204 km/h (126.76 mph) |
| Emission standard | ULEV II |
| Weight-to-power ratio | 10.4 kg/Hp, 95.9 Hp/tonne |
| Weight-to-torque ratio | 5.1 kg/Nm, 198 Nm/tonne |
| Power | 184 Hp @ 4000 rpm |
| Power per litre | 92.2 Hp/l |
| Torque | 380 Nm @ 1750-2750 rpm (280.27 lb.-ft. @ 1750-2750 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | N47D20O1 |
| 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 | Turbocharger, Intercooler |
| Valvetrain | DOHC |
| Engine oil capacity | 5.2 l (5.49 US qt | 4.58 UK qt) |
| Kerb Weight | 1919 kg (4230.67 lbs.) |
| Max. weight | 2341 kg (5161.02 lbs.) |
| Max load | 422 kg (930.35 lbs.) |
| Trunk (boot) space – minimum | 550 l (19.42 cu. ft.) |
| Trunk (boot) space – maximum | 1600 l (56.5 cu. ft.) |
| Fuel tank capacity | 67 l (17.7 US gal | 14.74 UK gal) |
| AdBlue tank | 12.4 l (3.28 US gal | 2.73 UK gal) |
| Max. roof load | 100 kg (220.46 lbs.) |
| Length | 4668 mm (183.78 in.) |
| Width | 1881 mm (74.06 in.) |
| Width including mirrors | 2089 mm (82.24 in.) |
| Height | 1678 mm (66.06 in.) |
| Wheelbase | 2810 mm (110.63 in.) |
| Front track | 1594 mm (62.76 in.) |
| Rear (Back) track | 1610 mm (63.39 in.) |
| Front overhang | 873 mm (34.37 in.) |
| Rear overhang | 985 mm (38.78 in.) |
| Ride height (ground clearance) | 204 mm (8.03 in.) |
| Drag coefficient (Cd) | 0.36 |
| Minimum turning circle (turning diameter) | 11.9 m (39.04 ft.) |
| Front brakes | Ventilated discs, 328 mm |
| Rear brakes | Ventilated discs, 330 mm |
| Number of gears and type of gearbox | 8 gears, automatic transmission Steptronic |
The F25 LCI X3 28d xDrive Steptronic, launched in 2014, represented a significant update to BMW’s popular compact luxury SUV. Built on the F25 platform, the LCI (Life Cycle Impulse) brought revised exterior styling, a more refined interior, and improvements to the engine and transmission for enhanced efficiency and driving dynamics. The 28d model, powered by a 2.0-liter four-cylinder diesel engine, was a particularly important variant in Europe, offering a compelling blend of performance and fuel economy. This trim level aimed to appeal to buyers who prioritized practicality and running costs without sacrificing the BMW driving experience.
Powertrain & Engine Architecture
At the heart of the X3 28d lies the BMW N47D20O1 engine, a 2.0-liter inline-four cylinder diesel. This engine utilizes a second-generation common rail direct injection system, delivering fuel at pressures up to 1,800 bar for optimized combustion. The N47 engine is known for its relatively compact size and lightweight construction, contributing to the X3’s balanced handling. A single turbocharger with variable geometry turbine (VGT) technology, along with an intercooler, provides forced induction, boosting power and torque. The engine also features a DOHC (Double Overhead Camshaft) valvetrain with four valves per cylinder. The Steptronic 8-speed automatic transmission is a crucial component, offering smooth and efficient gear changes. This transmission is known for its quick responsiveness and ability to adapt to driving conditions. It features a torque converter for smooth low-speed operation and lock-up clutch for improved efficiency at cruising speeds.
Driving Characteristics
The X3 28d with the Steptronic transmission delivers a comfortable and refined driving experience. While not overtly sporty, the 184 horsepower and 380 Nm (280 lb-ft) of torque provide adequate performance for everyday driving and highway cruising. Acceleration from 0 to 60 mph takes around 7.8 seconds, which is respectable for a diesel-powered SUV. The 8-speed automatic transmission is well-tuned, providing seamless gear changes and contributing to a relaxed driving experience. Compared to the more powerful X3 35i (gasoline) or the higher-output diesel variants, the 28d prioritizes fuel efficiency over outright performance. The gear ratios are optimized for fuel economy, with taller gearing in higher gears. The xDrive all-wheel-drive system provides excellent traction in various weather conditions, enhancing stability and confidence.
Equipment & Trim Levels
The X3 28d LCI typically came standard with a comprehensive list of features, including automatic climate control, power-adjustable front seats, a BMW iDrive infotainment system with a 6.5-inch display, and a premium sound system. Standard safety features included ABS, stability control, multiple airbags, and parking sensors. Optional extras included a larger iDrive display, navigation system, leather upholstery, a panoramic sunroof, and advanced driver-assistance systems such as lane departure warning and adaptive cruise control. Interior upholstery was typically a combination of cloth and leatherette, with full leather options available as an upgrade. The dashboard layout was modern and functional, with a focus on ergonomics and ease of use.
Chassis & Braking
The X3 28d utilizes a MacPherson strut front suspension and an independent multi-link rear suspension. This setup provides a good balance between ride comfort and handling precision. A transverse stabilizer bar is fitted to both the front and rear axles to reduce body roll during cornering. The braking system consists of ventilated disc brakes on all four wheels, providing ample stopping power. The front brakes measure 328mm in diameter, while the rear brakes are 330mm. ABS (Anti-lock Braking System) and electronic brake-force distribution are standard features, enhancing safety and control.
Market Reception & Comparison
The X3 28d was generally well-received by automotive critics, who praised its fuel efficiency, comfortable ride, and refined interior. However, some reviewers noted that the engine could be somewhat noisy compared to gasoline alternatives. Compared to the X3 35i, the 28d offered significantly better fuel economy but less outright performance. The 28d also provided a more affordable entry point into the X3 range. In terms of reliability, the N47 engine has been known to experience some issues with timing chain wear, particularly in earlier iterations. However, BMW implemented improvements to address this issue in later production years.
Legacy
The F25 X3 28d remains a popular choice in the used car market, particularly in Europe. Its combination of practicality, fuel efficiency, and BMW build quality makes it an attractive option for buyers seeking a premium compact SUV. While the N47 engine’s potential timing chain issues should be considered, regular maintenance and careful inspection can mitigate this risk. The X3 28d represents a well-rounded and capable vehicle that continues to offer a compelling ownership experience.
