The BMW 5 Series Touring (E61 LCI), specifically the 550i variant produced from 2007 to 2010, represents the pinnacle of performance and luxury within the E61 generation of BMW’s iconic 5 Series wagon. The “LCI” (Life Cycle Impulse) designation signifies a facelift introduced in late 2007, bringing revised styling, updated technology, and refined engine options. Positioned as the range-topping engine choice for the E61 Touring, the 550i catered to buyers seeking a blend of practicality, driving enjoyment, and substantial power. It was built on the E60/E61 platform, sharing its underpinnings with the 5 Series sedan but offering the added versatility of a station wagon body style.
Technical Specifications
| Brand | BMW |
| Model | 5 Series |
| Generation | 5 Series Touring (E61 LCI, facelift 2007) |
| Type (Engine) | 550i (367 Hp) |
| Start of production | 2007 |
| End of production | 2010 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Station wagon (estate) |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (urban) | 17 l/100 km (13.8 US mpg, 16.6 UK mpg, 5.9 km/l) |
| Fuel consumption (extra urban) | 7.8 l/100 km (30.2 US mpg, 36.2 UK mpg, 12.8 km/l) |
| Fuel consumption (combined) | 11.2 l/100 km (21 US mpg, 25.2 UK mpg, 8.9 km/l) |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 5.3 sec |
| Acceleration 0 – 62 mph | 5.3 sec |
| Acceleration 0 – 60 mph | 5 sec (Calculated) |
| Maximum speed | 250 km/h (155.34 mph) |
| Emission standard | Euro 4 |
| Weight-to-power ratio | 4.8 kg/Hp, 208.5 Hp/tonne |
| Weight-to-torque ratio | 3.6 kg/Nm, 278.4 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 |
| Valvetrain | DOHC |
| Engine oil capacity | 8 l (8.45 US qt | 7.04 UK qt) |
| Kerb Weight | 1760 kg (3880.14 lbs.) |
| Max. weight | 2320 kg (5114.72 lbs.) |
| Max load | 560 kg (1234.59 lbs.) |
| Trunk (boot) space – minimum | 500 l (17.66 cu. ft.) |
| Trunk (boot) space – maximum | 1650 l (58.27 cu. ft.) |
| Fuel tank capacity | 70 l (18.49 US gal | 15.4 UK gal) |
| Length | 4843 mm (190.67 in.) |
| Width | 1846 mm (72.68 in.) |
| Height | 1491 mm (58.7 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) | 143 mm (5.63 in.) |
| Drag coefficient (Cd) | 0.29 |
| Minimum turning circle | 11.4 m (37.4 ft.) |
| Drivetrain Architecture | Rear wheel drive |
| Drive wheel | Rear wheel drive |
| Number of gears | 6 |
| Type of gearbox | Manual transmission |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Tires size | 225/50 R17 Y |
| Wheel rims size | 17 |
Powertrain & Engine Architecture
The heart of the 550i Touring is the N62B48B 4.8-liter naturally aspirated V8 engine. This engine, a member of BMW’s renowned N62 family, is characterized by its smooth power delivery and distinctive exhaust note. It features a 90-degree V-angle, double overhead camshafts (DOHC) per cylinder bank, and four valves per cylinder. The N62 utilized a multi-port fuel injection system, delivering fuel directly into the intake ports. The 4.8-liter displacement, combined with a 10.5:1 compression ratio, allowed for a substantial 367 horsepower at 6300 rpm and 490 Nm (361 lb-ft) of torque at 3400 rpm. The engine’s longitudinal mounting and rear-wheel-drive configuration were standard for BMW’s larger models at the time. The 6-speed manual transmission was standard, providing drivers with full control over the engine’s power.
Driving Characteristics
The 550i Touring offered a compelling driving experience. The 4.8L V8 provided strong acceleration, achieving 0-60 mph in approximately 5 seconds. While not as overtly sporty as some of its rivals, the 550i prioritized a refined and comfortable ride. The manual transmission allowed for precise gear changes, enhancing driver engagement. The rear-wheel-drive layout contributed to balanced handling, although traction could be a concern in adverse weather conditions. Compared to the 530i or 525i models, the 550i offered a significant performance advantage, but at the cost of increased fuel consumption.
Equipment & Trim Levels
The 550i Touring came standard with a generous array of features, including leather upholstery, power-adjustable front seats with memory function, automatic climate control, a premium sound system, and BMW’s iDrive infotainment system. Optional extras included navigation, active suspension, sport seats, and various interior trim options. The LCI facelift brought subtle interior revisions, including updated iDrive controls and improved materials. Exterior features typically included 17-inch alloy wheels, although larger sizes were available as options.
Chassis & Braking
The E61 Touring featured a MacPherson strut front suspension and an independent multi-link rear suspension. The 550i typically received slightly stiffer springs and dampers compared to lower-trim models to manage the increased weight and power. Braking duties were handled by ventilated disc brakes at the front and solid disc brakes at the rear. Anti-lock brakes (ABS) were standard, along with electronic brake-force distribution (EBD). The steering system utilized a rack-and-pinion setup with hydraulic power assistance.
Market Reception & Comparison
The 550i Touring was generally well-received by automotive critics, who praised its powerful engine, comfortable ride, and spacious interior. However, its relatively high price and fuel consumption were noted drawbacks. Compared to the 530i Touring, the 550i offered a substantial performance upgrade but came at a significant premium. The 550i also faced competition from other luxury wagons, such as the Mercedes-Benz E-Class Estate and the Audi A6 Avant.
Legacy
The N62 V8 engine, while known for its smoothness and power, has a reputation for potential cooling system issues, including water pump and thermostat failures. Oil leaks can also occur over time. However, with proper maintenance, the N62 can be a reliable engine. Today, the E61 550i Touring represents a relatively rare and desirable classic BMW. Well-maintained examples command a premium in the used car market, appealing to enthusiasts who appreciate the combination of performance, luxury, and practicality.
