The BMW 3 Series Touring (E46) facelift 325xi Steptronic, produced from 2001 to 2005, represents a compelling blend of practicality and performance within the E46 generation. This variant, a station wagon (estate) equipped with BMW’s all-wheel-drive xDrive system and a five-speed automatic transmission marketed as “Steptronic,” occupied a mid-range position in the 3 Series Touring lineup. It catered to buyers seeking the versatility of a wagon with a more potent engine than the base models, but without the higher price tag and sport-tuned suspension of the 330xi. The facelift introduced in 2001 brought cosmetic updates, including revised headlights and taillights, along with improvements to the interior and engine management systems.
Technical Specifications
| Brand | BMW |
| Model | 3 Series |
| Generation | 3 Series Touring (E46, facelift 2001) |
| Type (Engine) | 325xi (192 Hp) Steptronic |
| Start of production | 2001 |
| End of production | 2005 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Station wagon (estate) |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (urban) | 14.8 l/100 km (15.9 US mpg, 19.1 UK mpg, 6.8 km/l) |
| Fuel consumption (extra urban) | 8.7 l/100 km (27 US mpg, 32.5 UK mpg, 11.5 km/l) |
| Fuel consumption (combined) | 10.9 l/100 km (21.6 US mpg, 25.9 UK mpg, 9.2 km/l) |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 8.7 sec |
| Acceleration 0 – 62 mph | 8.7 sec |
| Acceleration 0 – 60 mph | 8.3 sec |
| Maximum speed | 228 km/h (141.67 mph) |
| Weight-to-power ratio | 7.6 kg/Hp, 131.5 Hp/tonne |
| Weight-to-torque ratio | 6 kg/Nm, 167.8 Nm/tonne |
| Power | 192 Hp @ 6000 rpm |
| Power per litre | 77 Hp/l |
| Torque | 245 Nm @ 3500 rpm (180.7 lb.-ft. @ 3500 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | M54B25 |
| Engine displacement | 2494 cm3 (152.19 cu. in.) |
| Number of cylinders | 6 |
| Engine configuration | Inline |
| Cylinder Bore | 84 mm (3.31 in.) |
| Piston Stroke | 75 mm (2.95 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 | 6.5 l (6.87 US qt | 5.72 UK qt) |
| Coolant | 8.4 l (8.88 US qt | 7.39 UK qt) |
| Kerb Weight | 1460 kg (3218.75 lbs.) |
| Max. weight | 2000 kg (4409.25 lbs.) |
| Max load | 540 kg (1190.5 lbs.) |
| Trunk (boot) space – minimum | 435 l (15.36 cu. ft.) |
| Trunk (boot) space – maximum | 1345 l (47.5 cu. ft.) |
| Fuel tank capacity | 63 l (16.64 US gal | 13.86 UK gal) |
| Length | 4480 mm (176.38 in.) |
| Width | 1740 mm (68.5 in.) |
| Height | 1410 mm (55.51 in.) |
| Wheelbase | 2725 mm (107.28 in.) |
| Front track | 1470 mm (57.87 in.) |
| Rear (Back) track | 1485 mm (58.46 in.) |
| Drive wheel | All wheel drive (4×4) |
| Number of gears and type of gearbox | 5 gears, automatic transmission |
| Front suspension | Wishbone |
| Rear suspension | 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 | 205/55 R16 |
| Wheel rims size | 16 |
Powertrain & Engine Architecture
The heart of the 325xi Steptronic is the M54B25, a 2.5-liter inline-six engine. This engine, a descendant of BMW’s long-respected M52 and M54 families, is known for its smooth power delivery and inherent reliability. The M54B25 features double overhead camshafts (DOHC), four valves per cylinder, and a multi-port fuel injection system. The engine produces 192 horsepower at 6000 rpm and 245 Nm (180.7 lb-ft) of torque at 3500 rpm. The “Steptronic” transmission is a five-speed automatic with a manual shift mode, allowing drivers some control over gear selection. This transmission was designed to provide smooth shifts and enhance fuel efficiency, though it doesn’t offer the responsiveness of a manual gearbox.
Driving Characteristics
The 325xi Steptronic offers a comfortable and capable driving experience. While not as overtly sporty as the 330xi or a manual-transmission 325i, it provides ample power for everyday driving and highway cruising. The all-wheel-drive system provides enhanced traction, particularly in inclement weather. The automatic transmission, while smooth, can feel somewhat hesitant during quick acceleration compared to the more direct feel of a manual. The gear ratios are tuned for a balance of fuel economy and performance, prioritizing comfortable cruising over outright speed. Acceleration from 0 to 60 mph takes approximately 8.3 seconds, and the car has a top speed of 141.67 mph.
Equipment & Trim Levels
The 325xi Steptronic typically came standard with features such as automatic climate control, power windows and locks, a CD stereo system, and alloy wheels. Leatherette upholstery was standard, with an option to upgrade to full leather. Common optional extras included a sunroof, heated front seats, a premium sound system, and BMW’s navigation system. The interior design of the facelifted E46 featured subtle refinements, including updated switchgear and trim materials.
Chassis & Braking
The E46 Touring chassis utilizes a MacPherson strut front suspension and a multi-link rear suspension, providing a good balance of ride comfort and handling precision. The 325xi benefits from BMW’s xDrive all-wheel-drive system, which distributes power between the front and rear axles as needed to maximize traction. Braking duties are handled by ventilated discs at the front and solid discs at the rear, equipped with ABS (Anti-lock Braking System). The suspension tuning is generally softer than that of the 330xi, prioritizing ride comfort over ultimate handling performance.
Market Reception & Comparison
The 325xi Steptronic was generally well-received by automotive critics as a practical and comfortable all-weather touring car. It offered a compelling alternative to rear-wheel-drive models, particularly in regions with harsh winters. Compared to the 323i and 328i Touring models, the 325xi provided the added security of all-wheel drive. Fuel economy was respectable for its class, averaging around 21.6 US mpg in combined driving. However, some reviewers noted that the automatic transmission could detract from the overall driving experience compared to the more engaging manual gearbox.
Legacy
The M54B25 engine, found in the 325xi Steptronic, is known for its durability and relatively low maintenance requirements. With proper care, these engines can reliably exceed 200,000 miles. The Steptronic transmission, while generally reliable, can be susceptible to issues with the valve body and torque converter as it ages. Today, the E46 Touring 325xi Steptronic represents a desirable entry point into BMW ownership, offering a blend of practicality, performance, and relative affordability in the used car market. Its all-wheel-drive system and spacious interior make it a popular choice for those seeking a versatile and reliable wagon.
