The BMW 3 Series Touring (E91) with the LCI (Life Cycle Impulse) facelift introduced in 2008, represented BMW’s continued commitment to the practical sports wagon segment. The 325d variant, powered by a 3.0-liter inline-six diesel engine producing 197 horsepower, was a key offering in the lineup from 2008 through 2012. Positioned as a mid-range option, it bridged the gap between the more economical 320d models and the higher-performance 335d. This version aimed to deliver a balance of fuel efficiency, respectable performance, and the versatility expected of a touring (wagon) body style.
Technical Specifications
| Brand | BMW |
| Model | 3 Series |
| Generation | 3 Series Touring (E91 LCI, facelift 2008) |
| Type (Engine) | 325d (197 Hp) |
| Start of production | 2008 |
| End of production | 2012 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Station wagon (estate) |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (urban) | 7.8 l/100 km (30.2 US mpg, 36.2 UK mpg, 12.8 km/l) |
| Fuel consumption (extra urban) | 4.8 l/100 km (49 US mpg, 58.9 UK mpg, 20.8 km/l) |
| Fuel consumption (combined) | 5.9 l/100 km (39.9 US mpg, 47.9 UK mpg, 16.9 km/l) |
| CO2 emissions | 155 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 7.6 sec |
| Acceleration 0 – 62 mph | 7.6 sec |
| Acceleration 0 – 60 mph | 7.2 sec |
| Maximum speed | 233 km/h (144.78 mph) |
| Emission standard | Euro 4 |
| Weight-to-power ratio | 8.1 kg/Hp, 123.9 Hp/tonne |
| Weight-to-torque ratio | 4 kg/Nm, 251.6 Nm/tonne |
| Power | 197 Hp @ 4000 rpm |
| Torque | 400 Nm @ 1300-3250 rpm (295.02 lb.-ft. @ 1300-3250 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | M57D30TU2 |
| Engine displacement | 2993 cm3 (182.64 cu. in.) |
| Number of cylinders | 6 |
| Engine configuration | Inline |
| Cylinder Bore | 84 mm (3.31 in.) |
| Piston Stroke | 90 mm (3.54 in.) |
| Compression ratio | 17:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Diesel Commonrail |
| Engine aspiration | Turbocharger, Intercooler |
| Engine oil capacity | 7.5 l (7.93 US qt | 6.6 UK qt) |
| Coolant | 7.9 l (8.35 US qt | 6.95 UK qt) |
| Kerb Weight | 1590 kg (3505.35 lbs.) |
| Max. weight | 2130 kg (4695.85 lbs.) |
| Max load | 540 kg (1190.5 lbs.) |
| Trunk (boot) space – minimum | 460 l (16.24 cu. ft.) |
| Trunk (boot) space – maximum | 1385 l (48.91 cu. ft.) |
| Fuel tank capacity | 61 l (16.11 US gal | 13.42 UK gal) |
| Max. roof load | 75 kg (165.35 lbs.) |
| Permitted trailer load with brakes (12%) | 1800 kg (3968.32 lbs.) |
| Permitted trailer load without brakes | 750 kg (1653.47 lbs.) |
| Permitted towbar download | 75 kg (165.35 lbs.) |
| Length | 4527 mm (178.23 in.) |
| Width | 1817 mm (71.54 in.) |
| Width with mirrors folded | 1989 mm (78.31 in.) |
| Height | 1418 mm (55.83 in.) |
| Wheelbase | 2760 mm (108.66 in.) |
| Front track | 1500 mm (59.06 in.) |
| Rear (Back) track | 1529 mm (60.2 in.) |
| Ride height (ground clearance) | 141 mm (5.55 in.) |
| Drag coefficient (Cd) | 0.29 |
| Minimum turning circle (turning diameter) | 11.0 m (36.09 ft.) |
| 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 coil spring |
| 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 |
| Power steering | Electric Steering |
| Tires size | 225/45 R17 91W |
| Wheel rims size | 8J x 17 |
Powertrain & Engine Architecture
The heart of the 325d Touring was the M57D30TU2 engine, a 3.0-liter inline-six diesel. This engine was a mainstay of BMW’s diesel offerings for several years, known for its robust construction and relatively straightforward maintenance. The ‘TU2’ designation indicates an updated version of the M57 engine, incorporating improvements to the fuel injection system and turbocharger technology. It utilized a second-generation common rail direct injection system, delivering fuel at extremely high pressures for optimized combustion. The engine featured four valves per cylinder and a single turbocharger with an intercooler to increase air density and boost power. The engine produced 400 Nm (295 lb-ft) of torque between 1300 and 3250 rpm, providing strong low-end and mid-range acceleration. The 6-speed manual transmission was standard, offering precise shifts and a direct connection to the engine. While an automatic transmission was available, the manual was favored by enthusiasts for its improved driving experience.
Driving Characteristics
The 325d Touring, with the manual transmission, offered a surprisingly engaging driving experience. While not a sports car, the engine’s ample torque allowed for brisk acceleration and effortless cruising. The 0-60 mph sprint took around 7.2 seconds, respectable for a wagon of its size. The manual gearbox’s ratios were well-matched to the engine’s powerband, providing strong pull in each gear. Compared to the 320d, the 325d offered a noticeable performance boost, while remaining more fuel-efficient than the 335d. The automatic transmission, while convenient, dulled the driving experience somewhat, resulting in slightly slower acceleration and a less connected feel. The E91’s chassis provided a good balance between comfort and handling, offering a stable and predictable ride.
Equipment & Trim Levels
The 325d Touring typically came well-equipped, even as a mid-range model. Standard features included automatic climate control, power windows and mirrors, a multi-function steering wheel, and a basic audio system. Upholstery was typically cloth, but leather options were available. Optional extras included a premium sound system, navigation system, sunroof, sport seats, and parking sensors. The LCI facelift brought subtle styling updates to the interior, including revised trim materials and updated infotainment options. The ‘Sport’ package added more aggressive styling cues, sport suspension, and sport seats.
Chassis & Braking
The E91 Touring featured a fully independent suspension system, with coil springs and dampers at the front and a multi-link setup at the rear. This provided a comfortable ride while maintaining good handling characteristics. The 325d typically came with ventilated disc brakes on all four wheels, providing ample stopping power. ABS (Anti-lock Braking System) was standard, enhancing safety and stability during hard braking. The steering was a rack-and-pinion system with electric power assistance, offering precise and responsive steering feel.
Market Reception & Comparison
The 325d Touring was generally well-received by automotive critics. It was praised for its blend of practicality, fuel efficiency, and performance. Compared to the 320d, the 325d offered a significant power upgrade without sacrificing fuel economy. The 335d, while more powerful, was considerably more expensive and less fuel-efficient. The 325d’s diesel engine was also noted for its refinement and relatively quiet operation. Fuel economy figures of around 39.9 US mpg combined were highly competitive for its class.
Legacy
The M57D30TU2 engine has proven to be remarkably durable, and well-maintained examples of the 325d Touring continue to be reliable vehicles today. However, like any diesel engine, it’s susceptible to issues related to the fuel injection system and turbocharger. Regular maintenance, including oil changes and filter replacements, is crucial for long-term reliability. The E91 325d Touring has become a popular choice among enthusiasts seeking a practical and engaging wagon with a strong diesel engine. On the used car market, prices vary depending on mileage, condition, and equipment levels, but well-maintained examples command a premium.
