BMW M47D20
A number of diesel versions are equipped with intake flaps that can fall into the cylinders.
BMW 1-Series engines
BMW 1-Series is a series of German luxury cars produced by BMW AG since 2004. Since 2011, the 2nd generation of the model has been released. In the 1st generation, the model was produced in coupe, convertible and hatchback bodies, and from the 2nd – coupe and convertible. In 2017, the car in the body modification of the sedan began to be manufactured for the Chinese market. The 1 Series replaced the BMW 3 Series Compact and became the smallest and most affordable car in the lineup. Until 2008, it accounted for about 20% of BMW’s sales.
The BMW 1-Series was offered with 18 engines since 2004 (5 diesel, 13 petrol). Displacement ranges from 1.5 to 3.0 liters, power output from 95 to 388 hp. All of them use a timing chain. 11 are turbocharged. The longest rated lifespan belongs to the BMW B47 (C20/D20) (about 350,000 km).
BMW 1-Series engines by generation
| Engine | Years | Volume | Power | Fuel | Timing | Oil | Lifespan |
|---|---|---|---|---|---|---|---|
| BMW 1-Series E87 2004–2013 | |||||||
| BMW N46B20 | 2004–2013 | 2.0 L R4 | 129–170 hp | petrol | chain | 4.25 L | ~300,000 km |
| BMW N45B16 | 2004–2011 | 1.6 L R4 | 116 hp | petrol | chain | 4.5 L | ~320,000 km |
| BMW M47D20 | 2004–2007 | 2.0 L R4 | 116–163 hp | diesel, turbo | chain | 5–5.2 L | ~350,000 km |
| BMW N52B30 | 2006–2012 | 3.0 L R6 | 218–272 hp | petrol | chain | 6.5 L | ~275,000 km |
| BMW N54B30 | 2007–2012 | 3.0 L R6 | 306–340 hp | petrol, turbo | chain | 6.5 L | ~250,000 km |
| BMW N43B20 | 2007–2011 | 2.0 L R4 | 122–170 hp | petrol | chain | 4.25 L | ~250,000 km |
| BMW N43B16 | 2007–2009 | 1.6 L R4 | 122 hp | petrol | chain | 4.25 L | ~240,000 km |
| BMW N47D20 | 2007–2013 | 2.0 L R4 | 116–218 hp | diesel, turbo | chain | 5.2 L | ~250,000 km |
| BMW N55B30 | 2010–2013 | 3.0 L R6 | 306–370 hp | petrol, turbo | chain | 6.5 L | ~300,000 km |
| BMW 1-Series E82 2008–2013 | |||||||
| BMW N51 | 2008–2013 | 3.0 L R6 | 230–234 hp | petrol | chain | 7 L | ~200,000 km |
| BMW 1-Series F20 2011–2019 | |||||||
| BMW N13B16 | 2011–2016 | 1.6 L R4 | 102–177 hp | petrol, turbo | chain | 4.25 L | ~250,000 km |
| BMW N20B20 | 2012–2017 | 2.0 L R4 | 156 hp | petrol, turbo | chain | 5 L | ~220,000 km |
| BMW N47D16 | 2012–2015 | 1.6 L R4 | 95–116 hp | diesel, turbo | chain | 5.2 L | ~200,000 km |
| BMW B47 (C20/D20) | 2015–2019 | 2.0 L R4 | 116–231 hp | diesel | chain | ~350,000 km | |
| BMW B37 (C15/D15) | 2015–2019 | 1.5 L R3 | 95–116 hp | diesel, turbo | chain | ~300,000 km | |
| BMW B38 | 2015–2019 | 1.5 L R3 | 102 hp | petrol, turbo | chain | 4.25 L | ~300,000 km |
| BMW B58B30 | 2016–2019 | 3.0 L R6 | 326–388 hp | petrol, turbo | chain | ~300,000 km | |
| BMW B48B20 / B48A20 | 2016–2019 | 2.0 L R4 | 156–306 hp | petrol, turbo | chain | 5.25 L | ~250,000 km |
| BMW 1-Series F40 2019–present | |||||||
| BMW B48B20 / B48A20 | 2019–present | 2.0 L R4 | 156–306 hp | petrol, turbo | chain | 5.25 L | ~250,000 km |
| BMW B38 | 2019–present | 1.5 L R3 | 102 hp | petrol, turbo | chain | 4.25 L | ~300,000 km |
BMW 1-Series engine FAQ
What engines were used in the BMW 1-Series?
BMW 1-Series E87 (2004–2013): BMW N46B20, BMW N45B16, BMW M47D20, BMW N52B30, BMW N54B30, BMW N43B20, BMW N43B16, BMW N47D20 and BMW N55B30; BMW 1-Series E82 (2008–2013): BMW N51; BMW 1-Series F20 (2011–2019): BMW N13B16, BMW N20B20, BMW N47D16, BMW B47 (C20/D20), BMW B37 (C15/D15), BMW B38, BMW B58B30 and BMW B48B20 / B48A20; BMW 1-Series F40 (2019–present): BMW B48B20 / B48A20 and BMW B38.
Which BMW 1-Series engine is the most durable?
By rated service life the most durable BMW 1-Series engines are: BMW B47 (C20/D20) — about 350,000 km; BMW M47D20 — about 350,000 km; BMW N45B16 — about 320,000 km. Actual lifespan depends heavily on maintenance and oil change intervals.
How much oil does the BMW 1-Series engine take?
Engine oil capacity with filter: BMW B38 — 4.25 L (0W-30, 0W-40, 5W-30, 5W-40); BMW B48B20 / B48A20 — 5.25 L (0W-30, 0W-40, 5W-30, 5W-40); BMW M47D20 — 5–5.2 L (5W-40 (M47D20) 5W-30 (M47TU, M47TU2)); BMW N13B16 — 4.25 L (5W-30); BMW N20B20 — 5 L (5W-30); BMW N43B16 — 4.25 L (5W-30); BMW N43B20 — 4.25 L (5W-30); BMW N45B16 — 4.5 L (5W-30); BMW N46B20 — 4.25 L (5W-30); BMW N47D16 — 5.2 L (5W-30); BMW N47D20 — 5.2 L (5W-30); BMW N51 — 7 L (5W-30); BMW N52B30 — 6.5 L (5W-30); BMW N54B30 — 6.5 L (5W-30); BMW N55B30 — 6.5 L (5W-30).
Does the BMW 1-Series have a timing belt or chain?
Timing chain: BMW B37 (C15/D15), BMW B38, BMW B47 (C20/D20), BMW B48B20 / B48A20, BMW B58B30, BMW M47D20, BMW N13B16, BMW N20B20, BMW N43B16, BMW N43B20, BMW N45B16, BMW N46B20, BMW N47D16, BMW N47D20, BMW N51, BMW N52B30, BMW N54B30 and BMW N55B30.
Was the BMW 1-Series available with a diesel engine?
Yes: BMW B37 (C15/D15), BMW B47 (C20/D20), BMW M47D20, BMW N47D16 and BMW N47D20.
Engine details
BMW N54B30
The main problems of the engine are associated with the direct fuel injection system.
BMW N47D16
characteristic sounds in the rear of the engine: the reason is the wear of the gas distribution mechanism.
BMW N47D20
The most famous problem of the motor in stretching the timing chain on runs up to 100,000 km.
BMW N51
The engine is sensitive to fuel quality: it has Alusil cylinder walls instead of liners and no separate fuel filter, so scuffing…
BMW N55B30
This unit does not tolerate non-original oil and instantly cokes.
BMW B38
Engines until 2015 suffered from excessive axial clearance on the crankshaft and the thrust bearing collapsed at 50,000 km. And then the…
BMW B37 (C15/D15)
This is a very reliable diesel engine and owners often complain only about vibrations. After the 2017 update, the engine began to…
BMW B47 (C20/D20)
Most of the problems with this engine are related to the EGR system, which is called AGR here. In the early years,…
BMW B48B20 / B48A20
Compared to their predecessors, the B48 series engines are no longer so prone to oil consumption, however, closer to 100,000 km, valve…
BMW B58B30
Most of the complaints on the specialized forums are related to a decrease in the coolant level. The exact cause is unknown,…
Models with the same engines
- BMW 3-Series 16 shared engines
- BMW 5-Series 11 shared engines
- BMW X3 9 shared engines
- BMW 2-Series 8 shared engines
- BMW X1 8 shared engines
- BMW X5 7 shared engines
- BMW 4-Series 6 shared engines
- BMW Z4 6 shared engines
- BMW 6-Series 5 shared engines
- BMW 7-Series 5 shared engines