The BMW 335i Sedan, specifically the E90 LCI (Life Cycle Impulse) facelift model produced from 2009 to 2010, represents a significant evolution of BMW’s iconic 3 Series. Positioned as a performance-oriented variant within the E90 range, the 335i combined a potent turbocharged inline-six engine with a six-speed “Steptronic” automatic transmission. This configuration aimed to deliver a blend of exhilarating performance and relative ease of use, appealing to drivers seeking a sporty sedan without the involvement of a manual gearbox. The LCI facelift brought revised styling cues, updated interior elements, and refinements to the engine and transmission control units, enhancing the overall driving experience.
Technical Specifications
| Brand | BMW |
| Model | 3 Series |
| Generation | 3 Series Sedan (E90 LCI, facelift 2008) |
| Type (Engine) | 335i (306 Hp) Steptronic |
| Start of production | 2009 |
| End of production | 2010 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 13.1 l/100 km (18 US mpg, 21.6 UK mpg, 7.6 km/l) |
| Fuel consumption (extra urban) | 6.9 l/100 km (34.1 US mpg, 40.9 UK mpg, 14.5 km/l) |
| Fuel consumption (combined) | 9.2 l/100 km (25.6 US mpg, 30.7 UK mpg, 10.9 km/l) |
| CO2 emissions | 221 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 5.8 sec |
| Acceleration 0 – 62 mph | 5.8 sec |
| Acceleration 0 – 60 mph | 5.5 sec |
| Maximum speed | 250 km/h (155.34 mph) |
| Emission standard | Euro 4 |
| Weight-to-power ratio | 5.1 kg/Hp, 197.4 Hp/tonne |
| Weight-to-torque ratio | 3.9 kg/Nm, 258.1 Nm/tonne |
| Power | 306 Hp @ 5800 rpm |
| Power per litre | 102.7 Hp/l |
| Torque | 400 Nm @ 1300-5000 rpm (295.02 lb.-ft. @ 1300-5000 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | N54B30 |
| Engine displacement | 2979 cm3 (181.79 cu. in.) |
| Number of cylinders | 6 |
| Engine configuration | Inline |
| Cylinder Bore | 84 mm (3.31 in.) |
| Piston Stroke | 89.6 mm (3.53 in.) |
| Compression ratio | 10.2:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection |
| Engine aspiration | Twin-Turbo, Intercooler |
| 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 | 2070 kg (4563.57 lbs.) |
| Max load | 520 kg (1146.4 lbs.) |
| Trunk (boot) space – minimum | 450 l (15.89 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 | 4531 mm (178.39 in.) |
| Width | 1817 mm (71.54 in.) |
| Width including mirrors | 1989 mm (78.31 in.) |
| Height | 1421 mm (55.94 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) | 144 mm (5.67 in.) |
| Drag coefficient (Cd) | 0.30 |
| 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, 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 heart of the 335i was the N54B30, a 3.0-liter inline-six engine featuring twin-turbocharging and direct fuel injection. This engine produced 306 horsepower at 5800 rpm and 400 Nm (295 lb-ft) of torque available from a low 1300 rpm all the way to 5000 rpm. The twin-turbo setup employed two smaller turbochargers instead of a single large one, minimizing turbo lag and providing a broader, more accessible powerband. Direct injection further enhanced efficiency and responsiveness. The six-speed “Steptronic” automatic transmission was a crucial component, offering smooth shifts and the ability for the driver to manually select gears via steering wheel-mounted paddles or the gear selector. This transmission was specifically tuned to complement the N54’s power delivery, optimizing acceleration and fuel economy.
Driving Characteristics
The 335i Automatic offered a distinctly different driving experience compared to its manual transmission counterparts or other 3 Series variants like the 328i. While the automatic transmission didn’t provide the same level of driver engagement as a manual, it delivered brisk acceleration. The 0-60 mph sprint was achieved in approximately 5.5 seconds. The broad torque curve of the N54 engine meant that strong acceleration was available across a wide range of speeds, making it well-suited for everyday driving and highway passing. Compared to the naturally aspirated 328i, the 335i felt significantly more powerful, while the automatic transmission offered a more relaxed driving experience than the more involved manual gearbox.
Equipment & Trim Levels
The 335i typically came well-equipped as standard. Common features included leather upholstery, power-adjustable front seats with memory function, a premium sound system, automatic climate control, and BMW’s iDrive infotainment system. The LCI facelift brought updated iDrive functionality and improved interior materials. Optional extras included navigation, active steering, sport suspension, and various cosmetic enhancements. The 335i sat towards the upper end of the 3 Series lineup, offering a more luxurious and performance-focused experience than the base 328i models.
Chassis & Braking
The E90 335i featured a robust chassis with independent suspension at all four corners. The front suspension utilized coil springs and struts, while the rear employed a multi-link setup. This configuration provided a good balance between ride comfort and handling precision. Braking duties were handled by ventilated discs on all four wheels, providing ample stopping power. ABS (Anti-lock Braking System) was standard, enhancing safety and control. The 335i typically featured slightly stiffer suspension components compared to the base 3 Series models, contributing to its more sporty handling characteristics.
Market Reception & Comparison
The 335i was generally well-received by automotive critics, who praised its powerful engine, refined ride, and luxurious interior. The automatic transmission was often noted for its smoothness and responsiveness, although some reviewers preferred the engagement of the manual gearbox. Fuel economy was considered reasonable for a performance sedan of its class, averaging around 25.6 US mpg in combined driving. Compared to the 328i, the 335i offered a significant performance upgrade, but at a higher price point. Reliability was a mixed bag, with some owners reporting issues with the N54 engine’s high-pressure fuel pump and turbochargers.
Legacy
The E90 335i, particularly the automatic variant, has become a sought-after model in the used car market. Its combination of performance, luxury, and relative affordability has made it a popular choice for enthusiasts. While the N54 engine requires diligent maintenance due to its complexity, it remains a capable and rewarding powerplant. The 335i’s legacy lies in its ability to deliver a compelling driving experience that blends performance and practicality, solidifying its place as a modern classic within the BMW 3 Series lineage.
