The BMW 3 Series Sedan (F30 LCI), specifically the 316d variant with the Steptronic automatic transmission, was produced from 2015 to 2018. This model represents a mid-cycle refresh of the sixth-generation 3 Series (F30), known as the LCI or Life Cycle Impulse. Positioned as an entry-level offering within the 3 Series range, the 316d Steptronic aimed to provide a balance of fuel efficiency, reasonable performance, and BMW’s signature driving experience at a more accessible price point. It primarily targeted European markets where diesel engines were, and continue to be, highly popular due to favorable taxation and fuel economy.
Technical Specifications
| Brand | BMW |
| Model | 3 Series |
| Generation | 3 Series Sedan (F30 LCI, Facelift 2015) |
| Type (Engine) | 316d (116 Hp) Steptronic |
| Start of production | 2015 |
| End of production | 2018 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 5.1-4.6 l/100 km (46.1 – 51.1 US mpg, 55.4 – 61.4 UK mpg, 19.6 – 21.7 km/l) |
| Fuel consumption (extra urban) | 3.8-3.5 l/100 km (61.9 – 67.2 US mpg, 74.3 – 80.7 UK mpg, 26.3 – 28.6 km/l) |
| Fuel consumption (combined) | 4.3-3.9 l/100 km (54.7 – 60.3 US mpg, 65.7 – 72.4 UK mpg, 23.3 – 25.6 km/l) |
| CO2 emissions | 113-102 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 10.6 sec |
| Acceleration 0 – 62 mph | 10.6 sec |
| Acceleration 0 – 60 mph | 10.1 sec |
| Maximum speed | 204 km/h (126.76 mph) |
| Emission standard | Euro 6 |
| Weight-to-power ratio | 12.3 kg/Hp, 81.1 Hp/tonne |
| Weight-to-torque ratio | 5.3 kg/Nm, 188.8 Nm/tonne |
| Power | 116 Hp @ 4000 rpm |
| Torque | 270 Nm @ 1250-2750 rpm (199.14 lb.-ft. @ 1250-2750 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | B47D20A |
| Engine displacement | 1995 cm3 (121.74 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 84 mm (3.31 in.) |
| Piston Stroke | 90 mm (3.54 in.) |
| Compression ratio | 16.5:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Diesel Commonrail |
| Engine aspiration | Twin-power turbo, Intercooler |
| Engine oil capacity | 5 l (5.28 US qt | 4.4 UK qt) |
| Coolant | 7 l (7.4 US qt | 6.16 UK qt) |
| Kerb Weight | 1430 kg (3152.61 lbs.) |
| Max. weight | 2005 kg (4420.27 lbs.) |
| Max load | 575 kg (1267.66 lbs.) |
| Trunk (boot) space – minimum | 480 l (16.95 cu. ft.) |
| Fuel tank capacity | 57 l (15.06 US gal | 12.54 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 | 745 kg (1642.44 lbs.) |
| Permitted towbar download | 75 kg (165.35 lbs.) |
| Length | 4633 mm (182.4 in.) |
| Width | 1811 mm (71.3 in.) |
| Height | 1429 mm (56.26 in.) |
| Wheelbase | 2810 mm (110.63 in.) |
| Front track | 1543 mm (60.75 in.) |
| Rear (Back) track | 1583 mm (62.32 in.) |
| Ride height (ground clearance) | 140 mm (5.51 in.) |
| Drag coefficient (Cd) | 0.26 |
| Minimum turning circle (turning diameter) | 11.3 m (37.07 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 | 8 gears, automatic transmission Steptronic |
| 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 | 205/60 R16 92H |
| Wheel rims size | 7.0J x 16 |
Powertrain & Engine Architecture
The 316d Steptronic is powered by the BMW B47D20A, a 2.0-liter inline-four cylinder diesel engine. This engine is part of BMW’s modular engine family, known for its efficiency and refinement. The B47 utilizes a second-generation common rail direct injection system, delivering fuel at pressures up to 2,000 bar for optimized combustion. A single twin-scroll turbocharger with variable geometry turbine (VGT) technology provides boost, contributing to both improved low-end torque and overall power output. The engine also features an intercooler to further enhance performance. The Steptronic transmission is an 8-speed automatic gearbox, offering smooth and efficient gear changes. It features a torque converter and allows for both fully automatic operation and manual gear selection via steering wheel-mounted paddles or the gear selector.
Driving Characteristics
The 316d Steptronic, with its 116 horsepower and 270 Nm (199 lb-ft) of torque, offered adequate, though not exhilarating, performance. Acceleration from 0 to 60 mph took around 10.1 seconds, and top speed was limited to 126.76 mph. The Steptronic transmission was programmed for fuel efficiency, often upshifting quickly to higher gears. This resulted in a relaxed driving experience, particularly on the highway. Compared to the more powerful 320d or the 335i models, the 316d felt noticeably slower, especially during overtaking maneuvers. However, the readily available torque from the diesel engine provided good responsiveness in everyday driving situations. The automatic transmission, while smooth, didn’t offer the same level of driver engagement as a manual gearbox.
Equipment & Trim Levels
The 316d Steptronic typically came standard with features such as automatic climate control, a BMW iDrive infotainment system with a 6.5-inch display, power windows and mirrors, and cloth upholstery. Optional extras included leather upholstery, a larger iDrive screen, navigation system, parking sensors, and a sunroof. Trim levels varied depending on the market, but generally, the 316d could be upgraded with Sport Line, Luxury Line, or M Sport packages, each adding unique styling elements and additional features. The Sport Line focused on a more dynamic appearance, while the Luxury Line emphasized comfort and refinement. The M Sport package offered the most aggressive styling and performance-oriented upgrades.
Chassis & Braking
The F30 3 Series featured a sophisticated chassis design. The 316d Steptronic utilized an independent coil spring suspension at the front and an independent multi-link suspension at the rear, providing a good balance of ride comfort and handling. The braking system consisted of ventilated discs on all four wheels, offering adequate stopping power. Anti-lock braking system (ABS) was standard, along with electronic stability control (ESC). The 316d’s weight of approximately 1430 kg (3153 lbs) was relatively low for a vehicle in its class, contributing to its agility.
Market Reception & Comparison
The 316d Steptronic was generally well-received by automotive critics as a practical and fuel-efficient option within the 3 Series lineup. It was praised for its comfortable ride, refined engine, and smooth-shifting transmission. However, some reviewers noted its relatively modest performance compared to other 3 Series models. In terms of fuel economy, the 316d excelled, achieving combined fuel consumption figures of around 54.7-60.3 US mpg. Compared to the 320d, the 316d offered lower running costs but sacrificed some performance. The 316d also provided a more affordable entry point into the 3 Series range, making it an attractive option for budget-conscious buyers.
Legacy
The B47 engine, found in the 316d Steptronic, has proven to be a relatively reliable powertrain, although some early models experienced issues with the timing chain. Regular maintenance, including oil changes and timing chain inspections, is crucial for long-term reliability. On the used car market, the 316d Steptronic remains a popular choice due to its fuel efficiency and relatively low maintenance costs. It represents a sensible and practical option for those seeking a comfortable and reliable compact executive sedan.
