BMW B47

Last updated
BMW B47 engine
BMW B47 engine.png
B47D20
Overview
Manufacturer BMW
Production2014–present
Layout
Configuration Inline-4
Displacement 2.0 L (1,995 cc)
Cylinder bore 84 mm (3.31 in)
Piston stroke 90 mm (3.54 in)
Cylinder block material Aluminium alloy
Cylinder head materialAluminium alloy
Valvetrain DOHC 4 valves x cyl.
Compression ratio 16.5:1
Combustion
Turbocharger Single or twin-turbo
Fuel system Common rail direct injection
Fuel type Diesel fuel (DIN EN 590)
Cooling system Water-cooled
Output
Power output 85–170 kW (114–228 hp)
Torque output 270–500 N⋅m (199–369 lb⋅ft)
Emissions
Emissions target standard Euro 6
Emissions control systems AdBlue injection
Chronology
Predecessor BMW N47

The BMW B47 is a four-cylinder common rail diesel engine produced by BMW. It debuted in 2014 as the successor to the previous N47 engine. While the B47D models are used in rear-wheel drive cars, the B47C variants are used with front-wheel drive.

Contents

Design

The B47 engine is part of the modular family of engines, along with the B38, B48, and B58. [1] The B47 complies with the Euro 6 emissions standard, and features a dual overhead camshaft with 4 valves per cylinder and a single turbocharger; while 165 kW (221 hp) and 170 kW (228 hp) engines feature twin-turbochargers. In November 2017, a technical update (codenamed B47TÜ1) added AdBlue injection and higher injection pressures. Twin turbo for both 318d and 320d. [2]

Models

EnginePowerTorqueYears
B47C20
B47D20
85 kW (114 hp)
at 4,000 rpm
270 N⋅m (199 lb⋅ft)
at 1,250–2,750 rpm
2015–
110 kW (148 hp)
at 4,000 rpm
320 N⋅m (236 lb⋅ft)
at 1,500–3,000 rpm
330 N⋅m (243 lb⋅ft)
at 1,750–2,250 rpm
2014–
350 N⋅m (258 lb⋅ft)
at 1,500–3,000 rpm
360 N⋅m (266 lb⋅ft)
at 1,500–2,500 rpm
125 kW (168 hp)
at 4,000 rpm
360 N⋅m (266 lb⋅ft)
at 1,500–2,750 rpm
140 kW (188 hp)
at 4,000 rpm
400 N⋅m (295 lb⋅ft)
at 1,750–2,500 rpm
151 kW (202 hp)
at 4,000 rpm
430 N⋅m (317 lb⋅ft)
at 1,750–3,000 rpm
165 kW (221 hp)
at 4,400 rpm
450 N⋅m (332 lb⋅ft)
at 1,500–3,000 rpm
2015–
170 kW (228 hp)
at 4,400 rpm
450 N⋅m (332 lb⋅ft)
at 1,500–3,000 rpm
500 N⋅m (369 lb⋅ft)
at 1,500–3,000 rpm

B47D20 (85 kW version)

B47C/D20 (110 kW version)

B47C/D20 (120 kW version)

B47C/D20 (140 kW version)

B47C/D20 (165 kW version)

B47C/D20 (170 kW version)

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References

  1. "BMW modular engines: B37, B38, B47 and B48". bmwblog.com. 2014-05-21. Retrieved 2015-10-20.
  2. "Four-cylinder BMW diesels to get their first big update". BMW BLOG. 2017-11-20. Retrieved 2018-07-05.