The BMW 3 Series Coupe (E92 LCI), specifically the 325i xDrive Steptronic variant, was produced from 2010 to 2013 as part of the E92 lifecycle improvement (LCI) model. This two-door coupe represented BMW’s entry point into the premium sports coupe market, offering a blend of performance, luxury, and practicality. The “xDrive” designation indicates BMW’s all-wheel-drive system, while “Steptronic” refers to the six-speed automatic transmission. This configuration aimed to provide a more accessible and comfortable driving experience compared to the higher-performance 335i models or those equipped with a manual transmission.
Technical Specifications
| Brand | BMW |
| Model | 3 Series |
| Generation | 3 Series Coupe (E92 LCI, facelift 2010) |
| Type | 325i (218 Hp) xDrive Steptronic |
| Start of production | 2010 |
| End of production | 2013 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Coupe |
| Seats | 4 |
| Doors | 2 |
| Fuel consumption (urban) | 11.1 l/100 km (21.2 US mpg, 25.4 UK mpg, 9 km/l) |
| Fuel consumption (extra urban) | 6.5 l/100 km (36.2 US mpg, 43.5 UK mpg, 15.4 km/l) |
| Fuel consumption (combined) | 8.2 l/100 km (28.7 US mpg, 34.4 UK mpg, 12.2 km/l) |
| CO2 emissions | 192 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 7.6 sec |
| Acceleration 0 – 62 mph | 7.6 sec |
| Acceleration 0 – 60 mph | 7.2 sec |
| Maximum speed | 244 km/h (151.61 mph) |
| Emission standard | Euro 5 |
| Weight-to-power ratio | 7.1 kg/Hp, 140.6 Hp/tonne |
| Weight-to-torque ratio | 5.7 kg/Nm, 174.2 Nm/tonne |
| Power | 218 Hp @ 6100 rpm |
| Torque | 270 Nm @ 2400-4200 rpm (199.14 lb.-ft. @ 2400-4200 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | N53B30A |
| Engine displacement | 2996 cm3 (182.83 cu. in.) |
| Number of cylinders | 6 |
| Engine configuration | Inline |
| Cylinder Bore | 85 mm (3.35 in.) |
| Piston Stroke | 88 mm (3.46 in.) |
| Compression ratio | 12:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection |
| Engine oil capacity | 6.5 l (6.87 US qt | 5.72 UK qt) |
| Coolant | 8.5 l (8.98 US qt | 7.48 UK qt) |
| Kerb Weight | 1550 kg (3417.17 lbs.) |
| Max. weight | 2030 kg (4475.38 lbs.) |
| Max load | 480 kg (1058.22 lbs.) |
| Trunk (boot) space – minimum | 440 l (15.54 cu. ft.) |
| Fuel tank capacity | 63 l (16.64 US gal | 13.86 UK gal) |
| Max. roof load | 75 kg (165.35 lbs.) |
| Permitted trailer load with brakes (12%) | 1700 kg (3747.86 lbs.) |
| Permitted trailer load without brakes | 750 kg (1653.47 lbs.) |
| Permitted towbar download | 75 kg (165.35 lbs.) |
| Length | 4612 mm (181.57 in.) |
| Width | 1782 mm (70.16 in.) |
| Width including mirrors | 1961 mm (77.2 in.) |
| Height | 1395 mm (54.92 in.) |
| Wheelbase | 2760 mm (108.66 in.) |
| Front track | 1500 mm (59.06 in.) |
| Rear (Back) track | 1513 mm (59.57 in.) |
| Ride height (ground clearance) | 143 mm (5.63 in.) |
| Drag coefficient (Cd) | 0.31 |
| Minimum turning circle (turning diameter) | 11.8 m (38.71 ft.) |
| Drive wheel | All wheel drive (4×4) |
| Number of gears and type of gearbox | 6 gears, automatic 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 325i xDrive Steptronic is powered by the N53B30A, a 3.0-liter inline-six cylinder engine. This engine is naturally aspirated and utilizes BMW’s direct injection technology (High Precision Injection – HPI) to deliver fuel directly into the combustion chambers. The N53 engine is known for its smooth power delivery and relatively high specific output. It features double-VANOS, BMW’s variable valve timing system for both intake and exhaust valves, optimizing engine performance across the rev range. The engine produces 218 horsepower at 6,100 rpm and 270 Nm (199 lb-ft) of torque between 2,400 and 4,200 rpm. The six-speed Steptronic automatic transmission is a conventional torque converter automatic, offering both fully automatic operation and manual shift capability via steering wheel-mounted paddles or the gear selector. The xDrive all-wheel-drive system employs a multi-plate clutch to distribute torque between the front and rear axles, enhancing traction and stability, particularly in adverse weather conditions.
Driving Characteristics
The 325i xDrive Steptronic offered a comfortable and refined driving experience. While not as overtly sporty as the 335i or manual transmission variants, the 325i provided ample power for everyday driving and highway cruising. The automatic transmission, while smooth, could feel slightly hesitant during quick downshifts compared to the more responsive dual-clutch transmissions found in later BMW models. The xDrive system provided excellent grip and stability, inspiring confidence in various driving conditions. The gear ratios were tuned for a balance of fuel efficiency and performance, with a focus on providing smooth acceleration rather than outright speed. Compared to the 320i, the 325i offered a noticeable increase in power and torque, resulting in quicker acceleration and more effortless overtaking.
Equipment & Trim Levels
The 325i xDrive Steptronic typically came standard with features such as leatherette upholstery, automatic climate control, a multi-function steering wheel, and a BMW Professional radio system. Optional extras included leather upholstery, a premium sound system, navigation, heated front seats, and a sunroof. The LCI facelift brought subtle styling updates to the interior, including revised trim materials and updated infotainment options. The trim level sat in the mid-range of the 3 Series Coupe lineup, offering a step up in performance and features compared to the base 320i, but falling short of the more luxurious and powerful 335i.
Chassis & Braking
The E92 3 Series Coupe featured a sophisticated chassis design with independent suspension at all four wheels. The front suspension utilized MacPherson struts, while the rear employed a multi-link setup. This configuration provided a good balance of ride comfort and handling precision. The 325i xDrive Steptronic was equipped with ventilated disc brakes on all four wheels, providing ample stopping power. The ABS (Anti-lock Braking System) and Dynamic Stability Control (DSC) were standard features, enhancing safety and stability. The xDrive system’s torque distribution also contributed to improved braking performance, particularly on slippery surfaces.
Market Reception & Comparison
The 325i xDrive Steptronic was generally well-received by automotive critics. It was praised for its comfortable ride, refined engine, and all-weather capability. However, some reviewers noted that the automatic transmission could feel less engaging than a manual gearbox. Fuel economy was considered reasonable for a performance coupe, averaging around 28.7 US mpg in combined driving. Compared to the 335i, the 325i offered a more affordable entry point into the 3 Series Coupe range, while still providing a satisfying driving experience. Reliability was generally good, although some owners reported issues with the fuel injectors and oil leaks, common to the N53 engine.
Legacy
The E92 3 Series Coupe, including the 325i xDrive Steptronic, remains a popular choice among enthusiasts and used car buyers. The N53 engine, while known for some potential maintenance issues, is generally considered durable when properly maintained. The xDrive system continues to be valued for its all-weather capability. Today, these coupes represent a compelling blend of performance, luxury, and value, offering a classic BMW driving experience at a relatively affordable price point. The 325i xDrive Steptronic, in particular, is often sought after by those looking for a comfortable and capable coupe that can be enjoyed year-round.
