The BMW X6 (E71) 35d xDrive Steptronic, produced from 2008 to 2010, represents BMW’s initial foray into the luxury Sports Activity Coupe (SAC) segment. This variant, powered by a 3.0-liter inline-six diesel engine, occupied a middle ground within the E71 X6 lineup, positioned between the entry-level xDrive30d and the higher-performance xDrive50i and X6 M models. It aimed to deliver a balance of performance, efficiency, and luxury, appealing to buyers seeking a distinctive and capable SUV with a focus on diesel economy. The E71 generation X6 was notable for its controversial, coupe-like roofline, a design element that differentiated it from traditional SUVs and established a new niche in the automotive market.
Technical Specifications
| Brand | BMW |
| Model | X6 |
| Generation | X6 (E71) |
| Type (Engine) | 35d (286 Hp) xDrive Steptronic |
| Start of production | 2008 |
| End of production | 2010 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | SUV |
| Seats | 4 |
| Doors | 5 |
| Fuel consumption (urban) | 10.5 l/100 km (22.4 US mpg, 26.9 UK mpg, 9.5 km/l) |
| Fuel consumption (extra urban) | 7.1 l/100 km (33.1 US mpg, 39.8 UK mpg, 14.1 km/l) |
| Fuel consumption (combined) | 8.3 l/100 km (28.3 US mpg, 34 UK mpg, 12 km/l) |
| CO2 emissions | 220 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 | 236 km/h (146.64 mph) |
| Emission standard | Euro 4 |
| Weight-to-power ratio | 7.4 kg/Hp, 135.5 Hp/tonne |
| Weight-to-torque ratio | 3.6 kg/Nm, 274.9 Nm/tonne |
| Power | 286 Hp @ 4400 rpm |
| Power per litre | 95.6 Hp/l |
| Torque | 580 Nm @ 1750-2250 rpm (427.79 lb.-ft. @ 1750-2250 rpm) |
| 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 | Turbocharger, Intercooler |
| Engine oil capacity | 7.5 l (7.93 US qt | 6.6 UK qt) |
| Coolant | 10.4 l (10.99 US qt | 9.15 UK qt) |
| Kerb Weight | 2110 kg (4651.75 lbs.) |
| Max. weight | 2710 kg (5974.53 lbs.) |
| Max load | 600 kg (1322.77 lbs.) |
| Trunk (boot) space – minimum | 570 l (20.13 cu. ft.) |
| Trunk (boot) space – maximum | 1450 l (51.21 cu. ft.) |
| Fuel tank capacity | 85 l (22.45 US gal | 18.7 UK gal) |
| Max. roof load | 100 kg (220.46 lbs.) |
| Permitted trailer load with brakes (12%) | 2700 kg (5952.48 lbs.) |
| Permitted trailer load without brakes | 750 kg (1653.47 lbs.) |
| Permitted towbar download | 120 kg (264.55 lbs.) |
| Length | 4877 mm (192.01 in.) |
| Width | 1983 mm (78.07 in.) |
| Width including mirrors | 2195 mm (86.42 in.) |
| Height | 1690 mm (66.54 in.) |
| Wheelbase | 2933 mm (115.47 in.) |
| Front track | 1644 mm (64.72 in.) |
| Rear (Back) track | 1706 mm (67.17 in.) |
| Front overhang | 858 mm (33.78 in.) |
| Rear overhang | 1086 mm (42.76 in.) |
| Ride height (ground clearance) | 212 mm (8.35 in.) |
| Drag coefficient (Cd) | 0.34 |
| Minimum turning circle (turning diameter) | 12.8 m (41.99 ft.) |
| Approach angle | 25.1° |
| Departure angle | 25.5° |
| Ramp-over (brakeover) angle | 19.1° |
| Drive wheel | All wheel drive (4×4) |
| Number of gears and type of gearbox | 6 gears, automatic transmission Steptronic |
| Front suspension | Independent multi-link suspension |
| 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 |
| Tires size | 255/50 R19 |
| Wheel rims size | 9J x 19 |
Powertrain & Engine Architecture
The heart of the X6 35d is the M57D30, a 3.0-liter inline-six diesel engine. This engine utilizes a common rail direct injection system, delivering fuel at extremely high pressure for optimized combustion. A variable geometry turbocharger (VGT) with an intercooler further enhances performance and efficiency. The M57D30 boasts four valves per cylinder and a relatively high compression ratio of 17:1, contributing to its strong torque output. The six-speed Steptronic automatic transmission, a staple in BMW’s lineup, provides smooth and responsive gear changes. This transmission features adaptive shift programs, adjusting to the driver’s style and road conditions. The engine is longitudinally mounted, driving all four wheels through BMW’s xDrive all-wheel-drive system.
Driving Characteristics
The X6 35d xDrive Steptronic delivers a refined driving experience. While not as overtly sporty as the gasoline-powered variants, the 580 Nm (427.79 lb-ft) of torque provides ample pulling power, resulting in brisk acceleration. The automatic transmission is well-matched to the engine’s characteristics, offering smooth upshifts and downshifts. The xDrive system provides excellent traction in various conditions, enhancing stability and confidence. Compared to the xDrive30d, the 35d offers a noticeable performance upgrade, while remaining more fuel-efficient than the larger xDrive50i. The gear ratios are tuned for a balance between acceleration and fuel economy, prioritizing mid-range grunt over outright top-end speed.
Equipment & Trim Levels
The X6 35d xDrive Steptronic came standard with a comprehensive list of features, including leather upholstery, automatic climate control, a premium sound system, and BMW’s iDrive infotainment system. Optional extras included features like active steering, adaptive suspension, panoramic sunroof, and upgraded interior trim options. The standard interior configuration featured dark wood trim and comfortable, supportive seats. The X6 35d was generally positioned as a mid-range offering, providing a step up in performance and features compared to the base model while remaining more accessible than the top-of-the-line X6 M.
Chassis & Braking
The E71 X6 features an independent multi-link suspension at both the front and rear, providing a comfortable ride and precise handling. The suspension is tuned to balance comfort and control, minimizing body roll during cornering. Ventilated disc brakes are fitted on all four wheels, providing ample stopping power. The X6 35d typically came equipped with 255/50 R19 tires, offering a good balance of grip and ride comfort. The chassis is reinforced to handle the increased weight and torque of the diesel engine and all-wheel-drive system.
Market Reception & Comparison
The X6 35d was generally well-received by automotive critics, who praised its blend of performance, efficiency, and luxury. It was noted for its strong torque output and comfortable ride. Compared to the xDrive30d, the 35d offered a significant performance boost without a substantial increase in fuel consumption. However, some critics found the X6’s styling polarizing and its size and weight somewhat cumbersome. Fuel economy figures were competitive for its class, and the M57D30 engine proved to be relatively reliable.
Legacy
The M57D30 engine, found in the X6 35d, has a reputation for durability and longevity when properly maintained. The six-speed Steptronic automatic transmission is also known for its reliability. In the used car market, the X6 35d represents a good value proposition, offering a luxurious and capable SUV at a more affordable price point than newer models. However, potential buyers should be aware of the potential for diesel particulate filter (DPF) issues and the importance of regular maintenance. The E71 X6, including the 35d variant, remains a distinctive and sought-after vehicle for those seeking a unique and capable luxury SUV.
