BMW 120d (F20)

BMW 1 series 2011 2.0 diesel description

Hatchback BMW 120d has been produced from January, 2011 to December, 2015. It has four-cylinder diesel engine with displacement of 2.0 litres, which produces power of 184 horsepower on 4000 rpm and torque 380 Nm (Newton metres) on 1750 revolutions per minute.

This 4-cylinder 16-valve engine camshaft is driven by chain (What is an engine chain and belt? ). Engine has Common Rail fuel system and turbine. Engine versions compliant with Euro 5 and Euro 6 emission standards available. Average engine life expectancy (mileage before serious repairs are needed) is from 210 000 to 360 000 kilometres. Remember that engine life depends on regular maintenance and the quality of the materials used (oils, fuels, etc.).
More engine specs 
Because of problems with the timing chain, which tends to stretch at 100,000 km, the BMW N47  ...  This BMW 1 series 2.0 engine oil type is 5W-30 and oil capacity is 5.2 litres.

BMW 120d has classical rear wheel drive (RWD) and manual gearbox with 6 gears.
BMW 120d accelerates to speed 100 kilometres per hour in 7.2 seconds. The maximum speed of this car is 228 km/h.

The fuel consumption of this version of BMW 120d reported by owners in daily driving mode is 5.8 litres per 100km.

BMW 1 series safety

During safety testing BMW 1 series has obtained 5 stars from five, which means very high safety level.
Adults (driver and passenger) safety of BMW 1 series is evaluated with outstanding rate 91 from 100, children safety: very good mark - 83 from 100, for pedestrian protection BMW 1 series got 63 points from 100.
BMW 1 series safety equipment has been rated as very good - 86 percents from 100.

With the same engine there are also two other BMW 1 series versions - with automatic gearbox (BMW 120d AT), and with four wheel (4x4) drive and manual gearbox (BMW 120d MT 4x4) available:
  • BMW 120d AT users reported real fuel consumption is higher by 0.2 litres per 100 km or 3 % - 6.0 litres per 100 km
  • BMW 120d MT 4x4
BMW 1 series 2.0 service information and maintenance intervals Oil change intervals, capacities and specifications, service information for filters, spark plugs, belts etc.
BMW 1 series 2011

BMW 120d technical data

Model: BMW 120d
Body style: Hatchback
Production period: 2011. January ... 2015. December 
Engine: 1995 cm3 Diesel, 4 cylinders CO2 emissions: no data
Power: 184 HP ON 4000 RPM Torque: 380 NM ON 1750 RPM
Gearbox: Manual gearbox (6 gears) Drive type: Rear wheel drive (RWD)
Maximum speed: 228 km/h Acceleration 0-100 km/h: 7.2 seconds
Fuel consumption: 5.8 l/100km (40.6 MPG) by user reviews from various sources
Fuel tank capacity: 52 litres (13.7 gallons)
Car dimensions: 4.32m (length) 1.77m (width) 1.42m (height)
Turning diameter: 10.9 meters
Ground clearance: 140 mm (approximate, with standard suspension, unladen vehicle)
Trunk capacity: 360 litres
Trunk max capacity: 1200 litres (with rear seats folded down)
Gross weight: 1875 kg

BMW 120d engine N47TU

Engine reliability and common problems:

Because of problems with the timing chain, which tends to stretch at 100,000 km, the BMW N47 engine is sometimes called the worst BMW engine. Replacing the timing chain also requires removing the engine from the car. For engines produced after 2015, the cause of the timing chain problem has reportedly been eliminated. Also, the crankshaft damper on this engine does not tend to last very long. Cracking between the cylinders tends to occur due to the engine overheating.
Overall, this engine can last around 210,000 to 360,000 km if properly maintained, using the correct quality oil and fuel, and carrying out regular checks and maintenance.
The engine has hydraulic valve tappets (lifters), which provide quieter operation and do not require periodic adjustment, but are more complex in design and can cause serious engine damage in the event of failure.
Engine displacement 1995 cm3
Number of cylinders 4
Bore (cylinder diameter) 84 mm
Stroke length (piston move) 90 mm
Compression ratio 16.5 : 1
Camshaft drive Timing chain

Chain motors are considered more reliable, chain replacement usually is required less often than a timing belt, but they are often louder and vibrate more.

More service info
Timing chain change interval 100,000 km (recommended)

Sometimes manufacturers do not specify timing chain replacement intervals and design chains for engine life. However, once the recommended change interval has been reached, it is recommended to periodically check the condition of the chain and to change the chain if excessive stretching is detected or if unusual noises from the engine or other symptoms occur.

Fuel system Common Rail

Common rail fuel injection provides more engine power, is quieter, more environmentally friendly and offers better fuel economy, but is more expensive to maintain and repair.

BMW 120d oil type 5W-30
Oil capacity 5.2 litres (5.5 quarts) More service info
Coolant capacity 7 litres (7.4 quarts)
Power 116 - 184 HP ON 4000 RPM
Torque 260 - 380 NM ON 1750 RPM
Start of production (year) 2007
Duration of production 17 years
Engine also used on BMW 5 sērija BMW 3 sērija BMW X3 BMW X1 and 3 other models

Generally, the use of an engine in several models and its long production run is an indication of the quality of the engine and the success of its design.

All BMW 1 series hatchback [2011 - 2015] modifications

Modification Engine Power Consumption Gearbox Drive type
BMW 114i Jan 2012 — Dec 2015

Most fuel efficient petrol version by real consumption

1.6 Petrol 102 HP - Manual (6) Rear wheel
BMW 116i Jan 2011 — Jan 2015

Most fuel efficient petrol version

1.6 Petrol 136 HP 5.5 l/100km Manual (6) Rear wheel
BMW 116i Jan 2011 — Jan 2015 1.6 Petrol 136 HP 5.6 l/100km Automatic (8) Rear wheel
BMW 118i Jan 2011 — Jan 2015 1.6 Petrol 170 HP 5.8 l/100km Manual (6) Rear wheel
BMW 118i Jan 2011 — Jan 2015 1.6 Petrol 170 HP 5.6 l/100km Automatic (8) Rear wheel
BMW 114d Jan 2012 — Dec 2015 1.6 Diesel 95 HP - Manual (6) Rear wheel
BMW 116d Jan 2012 — Dec 2015

Most fuel efficient diesel version

1.6 Diesel 116 HP 3.8 l/100km Manual (6) Rear wheel
BMW 125i Jan 2012 — Dec 2015 2.0 Petrol 218 HP 6.6 l/100km Manual (6) Rear wheel
BMW 125i Jan 2012 — Dec 2015 2.0 Petrol 218 HP 6.4 l/100km Automatic (8) Rear wheel
BMW 116d Jan 2011 — Jan 2015 2.0 Diesel 116 HP 4.3 l/100km Manual (6) Rear wheel
BMW 116d Jan 2011 — Jan 2015 2.0 Diesel 116 HP 4.4 l/100km Automatic (8) Rear wheel
BMW 118d Jan 2011 — Jan 2015 2.0 Diesel 143 HP 4.4 l/100km Manual (6) Rear wheel
BMW 118d Jan 2011 — Jan 2015 2.0 Diesel 143 HP 4.4 l/100km Automatic (8) Rear wheel
BMW 118d 4x4 Jan 2013 — Dec 2015 2.0 Diesel 143 HP - Manual (6) All wheel
BMW 120d 2.0 Diesel 184 HP - Manual (6) Rear wheel
BMW 120d Jan 2011 — Jan 2015 2.0 Diesel 184 HP 4.4 l/100km Automatic (8) Rear wheel
BMW 120d 4x4 Jan 2012 — Dec 2015 2.0 Diesel 184 HP - Manual (6) All wheel
BMW 125d Jan 2012 — Dec 2015

Most powerfull diesel version (218 HP)

2.0 Diesel 218 HP 4.9 l/100km Manual (6) Rear wheel
BMW 125d Jan 2012 — Dec 2015

Most powerfull diesel version (218 HP)

2.0 Diesel 218 HP 4.8 l/100km Automatic (8) Rear wheel
BMW M135i Jan 2012 — Dec 2015 3.0 Petrol 320 HP 8.0 l/100km Manual (6) Rear wheel
BMW M135i Jan 2012 — Dec 2015 3.0 Petrol 320 HP 7.5 l/100km Automatic (8) Rear wheel
BMW M135i 4x4 Jan 2012 — Dec 2015

Most dynamic version - 100 km/h in 4.7 seconds

3.0 Petrol 320 HP 7.8 l/100km Automatic (8) All wheel
BMW 1 series 2011 reviews
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