The BMW X5 (E70) 4.8i xDrive Steptronic, produced from 2007 to 2010, represented a significant step forward for BMW’s burgeoning Sports Activity Vehicle (SAV) lineup. Positioned as a premium offering within the E70 generation, it catered to buyers seeking a blend of luxury, performance, and all-weather capability. This variant, equipped with the naturally aspirated 4.8-liter V8 engine and a six-speed automatic transmission, served as a flagship model before the introduction of more fuel-efficient turbocharged engines. It was a key competitor to vehicles like the Porsche Cayenne, Mercedes-Benz ML-Class, and Range Rover Sport.
Technical Specifications
| Brand | BMW |
| Model | X5 |
| Generation | X5 (E70) |
| Type (Engine) | 4.8i (355 Hp) xDrive Steptronic |
| Start of production | 2007 |
| End of production | 2010 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | SUV |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (urban) | 16.9 l/100 km (13.9 US mpg, 16.7 UK mpg, 5.9 km/l) |
| Fuel consumption (extra urban) | 9.2 l/100 km (25.6 US mpg, 30.7 UK mpg, 10.9 km/l) |
| Fuel consumption (combined) | 12 l/100 km (19.6 US mpg, 23.5 UK mpg, 8.3 km/l) |
| CO2 emissions | 286 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 6.5 sec |
| Acceleration 0 – 62 mph | 6.5 sec |
| Acceleration 0 – 60 mph | 6.2 sec |
| Maximum speed | 240 km/h (149.13 mph) |
| Emission standard | Euro 4 |
| Weight-to-power ratio | 5.9 kg/Hp, 168.6 Hp/tonne |
| Weight-to-torque ratio | 4.4 kg/Nm, 225.7 Nm/tonne |
| Power | 355 Hp @ 6300 rpm |
| Power per litre | 74 Hp/l |
| Torque | 475 Nm @ 3400-3800 rpm (350.34 lb.-ft. @ 3400-3800 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | N62B48 |
| Engine displacement | 4799 cm3 (292.85 cu. in.) |
| Number of cylinders | 8 |
| Engine configuration | V-engine |
| Cylinder Bore | 93 mm (3.66 in.) |
| Piston Stroke | 88.3 mm (3.48 in.) |
| Compression ratio | 10.5:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Naturally aspirated engine |
| Valvetrain | DOHC |
| Engine oil capacity | 8 l (8.45 US qt | 7.04 UK qt) |
| Coolant | 14.7 l (15.53 US qt | 12.93 UK qt) |
| Kerb Weight | 2105 kg (4640.73 lbs.) |
| Max. weight | 2785 kg (6139.87 lbs.) |
| Max load | 680 kg (1499.14 lbs.) |
| Trunk (boot) space – minimum | 620 l (21.9 cu. ft.) |
| Trunk (boot) space – maximum | 1750 l (61.8 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%) | 3500 kg (7716.18 lbs.) |
| Permitted trailer load without brakes | 750 kg (1653.47 lbs.) |
| Permitted towbar download | 120 kg (264.55 lbs.) |
| Length | 4854 mm (191.1 in.) |
| Width | 1933 mm (76.1 in.) |
| Height | 1739 mm (68.46 in.) |
| Wheelbase | 2933 mm (115.47 in.) |
| Front track | 1644 mm (64.72 in.) |
| Rear (Back) track | 1650 mm (64.96 in.) |
| Ride height (ground clearance) | 222 mm (8.74 in.) |
| Drag coefficient (Cd) | 0.35 |
| Minimum turning circle (turning diameter) | 12.8 m (41.99 ft.) |
| Approach angle | 25.8° |
| Departure angle | 23.1° |
| Ramp-over (brakeover) angle | 19.8° |
| Wading depth | 500 mm (19.69 in.) |
| Drive wheel | All wheel drive (4×4) |
| Number of gears and type of gearbox | 6 gears, automatic transmission |
| 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 |
| Tires size | 255/55 R18 |
| Wheel rims size | 8.5J x 18 |
INTRODUCTION
The BMW X5 (E70) 4.8i xDrive Steptronic, produced between 2007 and 2010, was a pivotal model in BMW’s expansion into the luxury SUV segment. Built on the E70 platform, which also underpinned the X6, this iteration of the X5 aimed to deliver a more refined and powerful experience than its predecessor. The 4.8i variant, distinguished by its larger displacement V8 engine and standard xDrive all-wheel-drive system, occupied the top tier of the non-performance X5 lineup. It offered a compelling combination of on-road performance and off-road capability, appealing to buyers who desired a versatile and luxurious vehicle.
Powertrain & Engine Architecture
At the heart of the X5 4.8i lies the N62B48 engine, a 4.8-liter naturally aspirated V8. This engine, a descendant of BMW’s long-standing V8 tradition, features an aluminum alloy block and cylinder heads, along with Double VANOS (variable valve timing) on both intake and exhaust camshafts. The N62B48 utilizes multi-port fuel injection, delivering fuel directly into the intake ports. It produces 355 horsepower at 6300 rpm and 475 Nm (350 lb-ft) of torque between 3400 and 3800 rpm. The engine’s smooth power delivery and characteristic V8 sound were hallmarks of this model. Paired with the N62B48 is a ZF 6HP26 six-speed automatic transmission. This transmission, known for its smoothness and reliability, features adaptive shift programming, adjusting shift points based on driving style and conditions. The xDrive all-wheel-drive system distributes power between the front and rear axles as needed, enhancing traction and stability.
Driving Characteristics
The X5 4.8i offered a noticeably more engaging driving experience than its six-cylinder counterparts. The V8 engine provided ample power for effortless acceleration and confident highway cruising. The 0-60 mph sprint was dispatched in approximately 6.2 seconds, making it a quick SUV for its time. The six-speed automatic transmission contributed to smooth gear changes, although it wasn’t as quick-shifting as some of the dual-clutch transmissions found in competing models. The xDrive system provided excellent grip in various weather conditions, inspiring confidence on slippery surfaces. While the X5 4.8i wasn’t a dedicated sports car, it offered a surprisingly agile feel for a vehicle of its size and weight. The steering was precise and well-weighted, providing good feedback to the driver.
Equipment & Trim Levels
The X5 4.8i came standard with a generous array of features, reflecting its position as a premium model. Standard equipment included leather upholstery, power-adjustable front seats with memory function, a premium sound system, automatic climate control, and a sunroof. Optional extras included features like active steering, adaptive suspension, navigation system, rear-seat entertainment, and upgraded leather trim. Interior trim options ranged from wood veneers to aluminum accents, allowing buyers to personalize the cabin to their preferences. The dashboard layout was typical of BMW at the time, with a driver-focused design and intuitive controls.
Chassis & Braking
The E70 X5 featured a robust chassis designed to handle the power of the V8 engine and provide a comfortable ride. The front suspension utilized a double wishbone design, while the rear suspension employed an independent multi-link setup. This configuration provided a good balance between ride comfort and handling precision. The X5 4.8i was equipped with ventilated disc brakes on all four wheels, providing ample stopping power. Anti-lock braking system (ABS) and dynamic stability control (DSC) were standard features, enhancing safety and control. The standard tire size was 255/55 R18, providing a good compromise between comfort and grip.
Market Reception & Comparison
The X5 4.8i was generally well-received by automotive critics, who praised its powerful engine, luxurious interior, and capable all-wheel-drive system. However, some reviewers noted that its fuel economy was relatively poor compared to its competitors. Compared to the X5 3.0si (inline-six), the 4.8i offered significantly more power and a more refined driving experience, but at a higher price point. The 4.8i also differed from the X5 3.5d (diesel) in terms of engine character and fuel efficiency, with the diesel offering better fuel economy but less outright performance. The X5 4.8i’s main competitors, such as the Porsche Cayenne and Mercedes-Benz ML-Class, offered similar levels of luxury and performance, but often came with a higher price tag.
Legacy
The BMW X5 (E70) 4.8i xDrive Steptronic remains a desirable SUV in the used car market, particularly among enthusiasts who appreciate its naturally aspirated V8 engine and luxurious appointments. While the N62B48 engine is known to be relatively reliable, preventative maintenance, such as regular oil changes and coolant flushes, is crucial to avoid potential issues like oil leaks and cooling system failures. The six-speed automatic transmission is generally robust, but may require servicing at higher mileages. Overall, the X5 4.8i represents a compelling blend of performance, luxury, and capability, making it a rewarding ownership experience for those willing to maintain it properly.
