The BMW 5 Series E60 LCI, specifically the 550i variant produced from 2007 to 2010, represented the pinnacle of naturally aspirated performance within the E60 generation. Introduced as part of the Life Cycle Impulse (LCI) facelift, this model combined a potent 4.8-liter V8 engine with a six-speed manual transmission, offering a driver-focused experience distinct from the more common automatic options. Positioned as the flagship non-M model, the 550i catered to enthusiasts seeking a blend of luxury, performance, and a traditional driving feel. It served as a bridge between the more economical inline-six and V6 models and the high-performance M5.
Technical Specifications
| Brand | BMW |
| Model | 5 Series |
| Generation | 5 Series (E60 LCI, facelift 2007) |
| Type (Engine) | 550i V8 (367 Hp) |
| Start of production | 2007 |
| End of production | 2010 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (economy) – urban | 16.4 l/100 km (14.3 US mpg, 17.2 UK mpg, 6.1 km/l) |
| Fuel consumption (economy) – extra urban | 8 l/100 km (29.4 US mpg, 35.3 UK mpg, 12.5 km/l) |
| Fuel consumption (economy) – combined | 11.1 l/100 km (21.2 US mpg, 25.4 UK mpg, 9 km/l) |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 5.2 sec |
| Acceleration 0 – 62 mph | 5.2 sec |
| Acceleration 0 – 60 mph | 4.9 sec |
| Maximum speed | 250 km/h (155.34 mph) |
| Emission standard | Euro 4 |
| Weight-to-power ratio | 4.5 kg/Hp, 221.1 Hp/tonne |
| Weight-to-torque ratio | 3.4 kg/Nm, 295.2 Nm/tonne |
| Power | 367 Hp @ 6300 rpm |
| Power per litre | 76.5 Hp/l |
| Torque | 490 Nm @ 3400 rpm (361.41 lb.-ft. @ 3400 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | N62B48B |
| 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 |
| Engine oil capacity | 8 l (8.45 US qt | 7.04 UK qt) |
| Kerb Weight | 1660 kg (3659.67 lbs.) |
| Max. weight | 2220 kg (4894.26 lbs.) |
| Max load | 560 kg (1234.59 lbs.) |
| Trunk (boot) space – minimum | 520 l (18.36 cu. ft.) |
| Fuel tank capacity | 70 l (18.49 US gal | 15.4 UK gal) |
| Length | 4841 mm (190.59 in.) |
| Width | 1846 mm (72.68 in.) |
| Height | 1468 mm (57.8 in.) |
| Wheelbase | 2888 mm (113.7 in.) |
| Front track | 1558 mm (61.34 in.) |
| Rear (Back) track | 1581 mm (62.24 in.) |
| Ride height (ground clearance) | 142 mm (5.59 in.) |
| Drag coefficient (Cd) | 0.28 |
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the rear wheels of the vehicle. |
| Drive wheel | Rear wheel drive |
| Number of gears and type of gearbox | 6 gears, manual transmission |
| Front suspension | Independent, type McPherson with coil spring and anti-roll bar |
| Rear suspension | Independent coil spring |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
| 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 | 17 |
Powertrain & Engine Architecture
The heart of the 550i LCI is the N62B48B engine, a 4.8-liter naturally aspirated V8. This engine builds upon the earlier N62 design, incorporating improvements to valve timing, lubrication, and cooling. It features double-VANOS (variable valve timing for both intake and exhaust camshafts) and a multi-port fuel injection system. The engine’s architecture is a 90-degree V8, known for its smooth operation and inherent balance. The 6-speed manual transmission (Getrag GS6-17BG) was a relatively rare option, favored by driving enthusiasts. The transmission’s gear ratios were tuned to maximize the engine’s torque output, providing strong acceleration in all gears.
Driving Characteristics
The 550i with the manual transmission delivers a distinctly engaging driving experience. The 490 Nm (361 lb-ft) of torque, available from 3400 rpm, provides ample power for effortless cruising and quick overtaking. The engine’s responsiveness is a key characteristic, with a linear power delivery that encourages spirited driving. Compared to the automatic versions, the manual 550i offers greater driver control and a more connected feel. While not as overtly sporty as the M5, the 550i provides a refined yet capable performance that appeals to those who prioritize a balance of luxury and driving enjoyment. The manual gearbox, while precise, has a slightly longer throw compared to some modern transmissions.
Equipment & Trim Levels
The 550i LCI typically came well-equipped, reflecting its position as a premium model. Standard features included leather upholstery, power-adjustable front seats with memory function, a premium sound system, automatic climate control, and xenon headlights. Optional extras included a navigation system, active suspension, sport seats, and various interior trim options. The LCI facelift brought subtle interior revisions, including updated switchgear and improved materials. The 550i could be further customized with BMW’s Individual program, allowing buyers to specify unique paint colors, interior trims, and exterior details.
Chassis & Braking
The E60 5 Series features a sophisticated chassis design with a multi-link rear suspension. The 550i benefits from a slightly stiffer suspension setup compared to the lower-powered models, enhancing handling and stability. The braking system consists of ventilated discs at all four corners, providing ample stopping power. ABS (Anti-lock Braking System) is standard, along with electronic brake-force distribution and brake assist. The steering is a hydraulic rack-and-pinion system, offering precise and communicative steering feel.
Market Reception & Comparison
The 550i LCI was generally well-received by automotive critics, who praised its powerful engine, refined ride, and luxurious interior. However, its relatively high fuel consumption was a common criticism. Compared to the 535i (with its inline-six engine), the 550i offered significantly more power and a more distinctive engine note, but at the cost of increased fuel consumption and a higher price tag. Against the M5, the 550i provided a more comfortable and refined driving experience, albeit with less outright performance.
Legacy
The N62B48B engine, while known for its performance, has a reputation for potential cooling system issues, including water pump and thermostat failures. Regular maintenance, including timely coolant changes, is crucial to prevent these problems. The 550i LCI, particularly the manual transmission versions, has become a sought-after model among BMW enthusiasts. Its combination of a powerful V8 engine, a traditional manual gearbox, and a luxurious interior makes it a compelling choice for those seeking a classic BMW driving experience. Well-maintained examples continue to hold their value in the used car market, appealing to collectors and enthusiasts alike.
