The BMW 5 Series (E60 LCI) 528i Steptronic, produced from 2007 to 2010, represented a significant refinement of the E60 generation. This variant, part of the Life Cycle Impulse (LCI) facelift, aimed to balance performance, luxury, and fuel efficiency within the 5 Series lineup. Positioned as a mid-range offering, the 528i Steptronic provided a step up from the base 525i while remaining more accessible than the higher-performance 535i and 550i models. It was primarily marketed towards buyers seeking a comfortable and capable executive sedan with a focus on smooth automatic transmission and a responsive inline-six engine.
Technical Specifications
| Brand | BMW |
| Model | 5 Series |
| Generation | 5 Series (E60 LCI, facelift 2007) |
| Type (Engine) | 528i (230 Hp) Steptronic |
| Start of production | 2007 |
| End of production | 2010 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 13.1 l/100 km (18 US mpg, 21.6 UK mpg) |
| Fuel consumption (extra urban) | 8.7 l/100 km (27 US mpg, 32.5 UK mpg) |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 60 mph | 7.1 sec |
| Maximum speed | 241 km/h (149.75 mph) |
| Weight-to-power ratio | 7 kg/Hp, 142 Hp/tonne |
| Weight-to-torque ratio | 6 kg/Nm, 166.7 Nm/tonne |
| Power | 230 Hp @ 6500 rpm |
| Power per litre | 76.8 Hp/l |
| Torque | 270 Nm @ 2750 rpm (199.14 lb.-ft. @ 2750 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | N52B30 |
| Engine displacement | 2996 cm3 (182.83 cu. in.) |
| Number of cylinders | 6 |
| Engine configuration | Inline |
| Cylinder Bore | 85 mm (3.35 in.) |
| Piston Stroke | 88 mm (3.46 in.) |
| Compression ratio | 10.7:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Naturally aspirated engine |
| Valvetrain | DOHC, Double-VANOS |
| Engine oil capacity | 6.5 l (6.87 US qt | 5.72 UK qt) |
| Kerb Weight | 1620 kg (3571.49 lbs.) |
| Max. weight | 2120 kg (4673.8 lbs.) |
| Max load | 500 kg (1102.31 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.) |
| Length | 4854 mm (191.1 in.) |
| Width | 1846 mm (72.68 in.) |
| Width including mirrors | 2030 mm (79.92 in.) |
| Height | 1468 mm (57.8 in.) |
| Wheelbase | 2888 mm (113.7 in.) |
| Front track | 1557 mm (61.3 in.) |
| Rear (Back) track | 1582 mm (62.28 in.) |
| Drag coefficient (Cd) | 0.28 |
| Minimum turning circle (turning diameter) | 11.4 m (37.4 ft.) |
| Drivetrain Architecture | Rear wheel drive |
| Number of gears and type of gearbox | 6 gears, automatic transmission Steptronic |
| Front suspension | Spring Strut, Transverse stabilizer |
| Rear suspension | Independent multi-link suspension, Transverse stabilizer |
| Front brakes | Ventilated discs, 325 mm |
| Rear brakes | Ventilated discs, 320 mm |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Hydraulic Steering |
| Tires size | 225/50 R17 |
| Wheel rims size | 7.5J x 17 |
Powertrain & Engine Architecture
The heart of the 528i Steptronic is the N52B30, a 3.0-liter inline-six engine. This engine is a naturally aspirated powerplant known for its smooth operation and responsive power delivery. The N52 featured Double-VANOS, BMW’s variable valve timing system for both intake and exhaust camshafts, optimizing performance and efficiency across the rev range. Fuel delivery is managed by a multi-port fuel injection system. The engine produces 230 horsepower at 6500 rpm and 270 Nm (199 lb-ft) of torque at 2750 rpm. Paired with the N52B30 is the 6-speed Steptronic automatic transmission. This transmission offered both fully automatic operation and a manual shift mode, allowing drivers to have more control over gear selection. The Steptronic transmission was designed for smooth and seamless gear changes, enhancing the overall driving experience.
Driving Characteristics
The 528i Steptronic offered a comfortable and refined driving experience. While not as overtly sporty as the 535i, the 528i provided ample power for everyday driving and highway cruising. The automatic transmission contributed to a relaxed driving style, particularly in city traffic. Acceleration from 0 to 60 mph took approximately 7.1 seconds, and the car had an electronically limited top speed of 149.75 mph. Compared to the 6-speed manual version of the 528i, the Steptronic offered slightly slower acceleration due to the inherent efficiency losses in the torque converter. However, the automatic transmission provided a more convenient and user-friendly experience for many drivers. The gear ratios were tuned for a balance of acceleration and fuel economy, with a focus on providing smooth transitions between gears.
Equipment & Trim Levels
The 528i Steptronic came standard with a comprehensive list of features, including leatherette upholstery, automatic climate control, a multi-function steering wheel, and a BMW Business radio system. Optional extras included premium leather upholstery, a navigation system, a sunroof, and upgraded audio systems. The interior design was typical of BMW at the time, with a focus on functionality and a driver-centric layout. The dashboard featured a clear and concise instrument cluster, and the center console housed the radio, climate controls, and other vehicle functions. Trim levels were relatively simple, with most options being added individually rather than packaged into distinct tiers.
Chassis & Braking
The E60 5 Series featured a robust chassis with a MacPherson strut front suspension and a multi-link rear suspension. This suspension setup provided a good balance of ride comfort and handling precision. The 528i Steptronic came equipped with ventilated disc brakes on all four wheels, providing ample stopping power. Anti-lock braking system (ABS) was standard, enhancing safety and stability during emergency braking situations. The steering system was a hydraulic rack-and-pinion setup, offering precise and responsive steering feel. The standard tire size was 225/50 R17, mounted on 7.5J x 17 alloy wheels.
Market Reception & Comparison
The 528i Steptronic was generally well-received by automotive critics. It was praised for its smooth engine, comfortable ride, and refined interior. However, some critics noted that it lacked the outright performance of the 535i and 550i models. Fuel economy was considered reasonable for a vehicle in its class, with combined fuel consumption figures around 21.6 UK mpg. Compared to the 525i, the 528i offered a noticeable increase in power and performance, making it a more appealing option for drivers who wanted a more engaging driving experience. Compared to the 535i, the 528i was more affordable and offered better fuel economy, but it lacked the 535i’s turbocharged punch.
Legacy
The N52B30 engine, found in the 528i Steptronic, is known for its reliability and longevity when properly maintained. Common issues include oil leaks from the valve cover gasket and occasional problems with the cooling system. The Steptronic automatic transmission is also generally reliable, but regular fluid changes are essential to prevent premature wear. Today, the E60 528i Steptronic represents a relatively affordable entry point into BMW ownership. It offers a good balance of luxury, performance, and reliability, making it a popular choice among used car buyers. While it may not have the cutting-edge technology of newer vehicles, the E60 528i Steptronic remains a capable and enjoyable sedan.
