The BMW X3 (E83) facelift 35d xDrive Steptronic, produced from 2008 to 2010, represented a significant step forward in BMW’s compact luxury SUV offerings. This variant, powered by the M57D30 engine, was positioned as a premium offering within the E83 range, bridging the gap between the more economical four-cylinder models and the higher-performance, though less fuel-efficient, petrol options. The facelift brought revised styling, improved interior materials, and updated technology, solidifying the X3’s position as a competitive vehicle in the burgeoning luxury crossover segment. It was primarily marketed towards buyers seeking a blend of performance, practicality, and all-weather capability.
Technical Specifications
| Brand | BMW |
| Model | X3 |
| Generation | X3 (E83, facelift 2006) |
| Type (Engine) | 35d (286 Hp) xDrive Steptronic |
| Start of production | 2008 |
| End of production | 2010 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | SUV |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (urban) | 9.7 l/100 km (24.2 US mpg) |
| Fuel consumption (extra urban) | 6.7 l/100 km (35.1 US mpg) |
| Fuel consumption (combined) | 7.8 l/100 km (30.2 US mpg) |
| CO2 emissions | 208 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 6.4 sec |
| Acceleration 0 – 62 mph | 6.4 sec |
| Acceleration 0 – 60 mph | 6.1 sec |
| Maximum speed | 240 km/h (149.13 mph) |
| Emission standard | Euro 4 |
| Weight-to-power ratio | 6.6 kg/Hp |
| Weight-to-torque ratio | 3.2 kg/Nm |
| Power | 286 Hp @ 4400 rpm |
| Torque | 580 Nm @ 1750-2250 rpm (427.79 lb.-ft.) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | M57D30 |
| Engine displacement | 2993 cm3 (182.64 cu. in.) |
| Number of cylinders | 6 |
| Engine configuration | Inline |
| Cylinder Bore | 84 mm (3.31 in.) |
| Piston Stroke | 90 mm (3.54 in.) |
| Compression ratio | 17:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Diesel Commonrail |
| Engine aspiration | Twin-Turbo, Intercooler |
| Engine oil capacity | 7.5 l (7.93 US qt | 6.6 UK qt) |
| Kerb Weight | 1875 kg (4133.67 lbs.) |
| Max. weight | 2385 kg (5258.02 lbs.) |
| Max load | 510 kg (1124.36 lbs.) |
| Trunk (boot) space – minimum | 480 l (16.95 cu. ft.) |
| Trunk (boot) space – maximum | 1560 l (55.09 cu. ft.) |
| Fuel tank capacity | 67 l (17.7 US gal | 14.74 UK gal) |
| Max. roof load | 75 kg (165.35 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 | 80 kg (176.37 lbs.) |
| Length | 4569 mm (179.88 in.) |
| Width | 1853 mm (72.95 in.) |
| Height | 1674 mm (65.91 in.) |
| Wheelbase | 2795 mm (110.04 in.) |
| Front track | 1524 mm (60 in.) |
| Rear (Back) track | 1542 mm (60.71 in.) |
| Ride height (ground clearance) | 201 mm (7.91 in.) |
| Drag coefficient (Cd) | 0.35 |
| Minimum turning circle (turning diameter) | 11.7 m (38.39 ft.) |
| Drive wheel | All wheel drive (4×4) |
| Number of gears and type of gearbox | 6 gears, automatic transmission |
| Front brakes | Ventilated discs |
| Rear brakes | Ventilated discs |
Powertrain & Engine Architecture
The heart of the X3 35d was the M57D30, a 3.0-liter inline-six diesel engine. This engine was a mainstay of BMW’s diesel lineup and known for its robust construction and strong performance. The ‘D30’ designation refers to its approximate displacement of 3.0 liters. The M57D30 utilized a common rail direct injection system, delivering fuel at extremely high pressures for optimized combustion. Crucially, this version featured a sequential twin-turbocharger setup. A smaller turbocharger provided quick response at low engine speeds, minimizing turbo lag, while a larger turbocharger took over at higher RPMs to deliver peak power. An intercooler further cooled the compressed air, increasing density and improving efficiency. The engine produced 286 horsepower at 4400 rpm and a substantial 580 Nm (427.79 lb-ft) of torque between 1750 and 2250 rpm. The xDrive Steptronic transmission was a six-speed automatic gearbox, offering smooth shifts and the ability to manually select gears. This transmission was specifically tuned to handle the high torque output of the diesel engine.
Driving Characteristics
The X3 35d xDrive Steptronic offered a compelling driving experience. The abundant torque from the M57D30 engine provided strong acceleration, making overtaking effortless. The automatic transmission, while smooth, was geared more towards fuel efficiency than outright performance. Compared to the six-speed manual transmission available on other X3 models, the automatic felt slightly less engaging, but it offered greater convenience, especially in urban driving. The xDrive all-wheel-drive system provided excellent traction in all weather conditions, enhancing stability and control. While not a sports SUV, the X3 35d offered a comfortable and capable ride, with well-weighted steering and predictable handling. The 0-60 mph time of around 6.1 seconds was respectable for a diesel-powered SUV of its size.
Equipment & Trim Levels
The X3 35d xDrive Steptronic typically came well-equipped as a premium trim level. Standard features included leather upholstery, automatic climate control, a multi-function steering wheel, and a premium sound system. Optional extras included navigation, sunroof, heated seats, and parking sensors. The interior design was functional and well-built, though it lacked some of the more luxurious touches found in competing models from Audi and Mercedes-Benz. The facelifted model benefited from improved interior materials and a more modern dashboard layout.
Chassis & Braking
The E83 X3 featured a MacPherson strut front suspension and a multi-link rear suspension. The suspension was tuned to provide a balance between comfort and handling. The 35d model typically came with larger stabilizer bars compared to the base models, reducing body roll during cornering. Braking duties were handled by ventilated disc brakes on all four wheels, providing ample stopping power. Anti-lock braking system (ABS) and electronic stability control (ESC) were standard safety features.
Market Reception & Comparison
The X3 35d xDrive Steptronic was generally well-received by automotive critics. It was praised for its strong performance, fuel efficiency, and all-weather capability. However, some critics noted that the interior lacked the refinement of its competitors. Compared to the X3 2.0d, the 35d offered significantly more power and torque, but at a higher price point. The petrol-powered X3 3.0si offered similar performance, but with lower fuel economy. The 35d represented a sweet spot for buyers seeking a balance of performance and efficiency.
Legacy
The M57D30 engine proved to be remarkably durable and reliable, and well-maintained examples of the X3 35d continue to provide years of service. The automatic transmission, while complex, is also generally reliable if properly serviced. On the used car market, the X3 35d xDrive Steptronic remains a desirable option for buyers seeking a capable and efficient luxury SUV. However, potential buyers should be aware of the potential for diesel particulate filter (DPF) issues, particularly on vehicles that have spent a lot of time in urban driving conditions. Regular maintenance and preventative servicing are key to ensuring the long-term reliability of this powertrain.
