The BMW 5 Series Touring (E34) 520i, produced between 1991 and 1997, represents BMW’s entry point into the desirable E34-generation touring wagon market. Positioned as a more practical alternative to the sedan, the 520i offered a blend of BMW’s renowned driving dynamics with the added versatility of a spacious cargo area. This variant, powered by the M50B20TU engine, served as a popular choice for families and individuals seeking a premium, yet relatively economical, estate car. It occupied the lower-mid range of the E34 Touring lineup, sitting below the more powerful 525i, 530i, and M5 models.
Technical Specifications
| Brand | BMW |
| Model | 5 Series |
| Generation | 5 Series Touring (E34) |
| Type (Engine) | 520i (150 Hp) |
| Start of production | 1991 |
| End of production | 1997 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Station wagon (estate) |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (combined) | 9.2 l/100 km |
| Fuel consumption (US mpg) | 25.6 US mpg |
| Fuel consumption (UK mpg) | 30.7 UK mpg |
| Fuel consumption (km/l) | 10.9 km/l |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 11.3 sec |
| Acceleration 0 – 62 mph | 11.3 sec |
| Acceleration 0 – 60 mph | 10.7 sec |
| Maximum speed | 205 km/h (127.38 mph) |
| Weight-to-power ratio | 10.2 kg/Hp, 98 Hp/tonne |
| Weight-to-torque ratio | 8.1 kg/Nm, 124.2 Nm/tonne |
| Power | 150 Hp @ 5900 rpm |
| Power per litre | 75.3 Hp/l |
| Torque | 190 Nm @ 4200 rpm (140.14 lb.-ft. @ 4200 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | M50B20TU |
| Engine displacement | 1991 cm3 (121.5 cu. in.) |
| Number of cylinders | 6 |
| Engine configuration | Inline |
| Cylinder Bore | 80 mm (3.15 in.) |
| Piston Stroke | 66 mm (2.6 in.) |
| Compression ratio | 11:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Naturally aspirated engine |
| Valvetrain | DOHC |
| Engine oil capacity | 5.75 l (6.08 US qt | 5.06 UK qt) |
| Coolant capacity | 10.5 l (11.1 US qt | 9.24 UK qt) |
| Kerb Weight | 1530 kg (3373.07 lbs.) |
| Max. weight | 2100 kg (4629.71 lbs.) |
| Max load | 570 kg (1256.63 lbs.) |
| Trunk (boot) space – minimum | 460 l (16.24 cu. ft.) |
| Trunk (boot) space – maximum | 910 l (32.14 cu. ft.) |
| Fuel tank capacity | 80 l (21.13 US gal | 17.6 UK gal) |
| Length | 4720 mm (185.83 in.) |
| Width | 1751 mm (68.94 in.) |
| Height | 1417 mm (55.79 in.) |
| Wheelbase | 2761 mm (108.7 in.) |
| Front track | 1470 mm (57.87 in.) |
| Rear track | 1495 mm (58.86 in.) |
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the rear wheels of the vehicle. |
| Drive wheel | Rear wheel drive |
| Number of gears | 5 gears, manual transmission |
| Front suspension | Wishbone |
| Rear suspension | Spring Strut |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
| Assisting systems | ABS (Anti-lock braking system) |
| Power steering | Hydraulic Steering |
| Tires size | 205/65 R15 |
| Wheel rims size | 15 |
Powertrain & Engine Architecture
The heart of the E34 520i Touring is the M50B20TU, a 2.0-liter inline-six cylinder engine. This engine is a descendant of BMW’s long-running M50 series, known for its smooth power delivery and robust construction. The “TU” designation signifies a technical upgrade (Technische Upgrade) applied later in the E34’s production run, including refinements to the engine management system and minor improvements to fuel efficiency. The M50B20TU utilizes multi-port fuel injection, delivering fuel directly into each intake port for optimized combustion. The engine features a double overhead camshaft (DOHC) valvetrain, contributing to its high-revving nature and efficient cylinder filling. The 5-speed manual transmission was standard, providing precise gear changes and a direct connection to the engine’s power. The engine’s longitudinal mounting and rear-wheel-drive configuration are hallmarks of BMW’s traditional engineering approach, prioritizing balanced handling and driver engagement.
Driving Characteristics
The 520i Touring, with its 150 horsepower and 190 Nm (140 lb-ft) of torque, offered a respectable, though not overwhelming, driving experience. Acceleration from 0 to 60 mph took around 10.7 seconds, and top speed was limited to 205 km/h (127 mph). Compared to the more potent 525i or 530i models, the 520i felt less urgent in its acceleration. However, the engine’s smooth power delivery and the well-tuned chassis made it a comfortable and enjoyable cruiser. The manual transmission allowed for precise control, while the rear-wheel-drive layout provided balanced handling. The 5-speed gearbox was well-matched to the engine’s characteristics, offering usable gearing for both city driving and highway cruising. While not a sports car, the 520i Touring provided a refined and engaging driving experience that was characteristic of BMW.
Equipment & Trim Levels
The 520i Touring typically came equipped with a respectable level of standard features. These included power windows, central locking, and an AM/FM radio. Interior upholstery was typically cloth, though leather was available as an option. The dashboard layout was functional and driver-focused, with clear instrumentation and logically placed controls. Optional extras included a sunroof, air conditioning, upgraded audio systems, and heated front seats. The trim level could vary depending on the market, but generally, the 520i Touring was positioned as a well-equipped, yet relatively affordable, entry point into the E34 Touring range.
Chassis & Braking
The E34 520i Touring utilized a robust chassis with independent suspension at all four wheels. The front suspension employed a MacPherson strut design, while the rear featured a semi-trailing arm setup. This suspension configuration provided a good balance of ride comfort and handling precision. Braking duties were handled by ventilated discs at the front and solid discs at the rear. Anti-lock braking system (ABS) was standard, enhancing safety and stability during hard braking. The steering was hydraulic power-assisted, providing light and precise control. The 520i’s weight of around 1530 kg (3373 lbs) was relatively moderate for a vehicle of its size and class, contributing to its balanced handling characteristics.
Market Reception & Comparison
The E34 520i Touring was generally well-received by automotive critics. It was praised for its practicality, comfortable ride, and engaging driving dynamics. However, some critics noted that the 2.0-liter engine could feel underpowered, particularly when fully loaded. Compared to the 525i and 530i models, the 520i offered a more economical option, both in terms of purchase price and fuel consumption. The 520i’s fuel economy was rated at around 9.2 l/100 km (25.6 mpg), making it a relatively efficient choice for a vehicle of its size. Reliability was generally good, although routine maintenance was essential to keep the engine and other components in optimal condition.
Legacy
The E34 520i Touring has become a sought-after classic among BMW enthusiasts. The M50B20TU engine is known for its durability and relatively simple maintenance requirements. While finding well-maintained examples can be challenging, the E34 520i Touring offers a unique blend of practicality, driving enjoyment, and classic BMW styling. Today, these vehicles are often cherished by collectors and enthusiasts who appreciate their timeless design and engaging driving experience. The E34 Touring, in general, is considered a pivotal model in BMW’s history, establishing the brand’s reputation for building high-quality, versatile, and driver-focused estate cars.
