BMW B47

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.

BMW B47 engine
B47C20
Overview
Manufacturer	BMW
Production	2014–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 material	Aluminium 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

Design

The B47 engine is part of the modular family of engines, along with the B38, B48, B57 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

Engine	Power	Torque	Years
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)

• 2015–2019 F30/F31 316d

B47C/D20 (110 kW version)

• 2014–2016 F10 518d
• 2014–present F45 218d Active Tourer
• 2014–present F46 218d Gran Tourer
• 2015–present F20 118d
• 2015–present F22 218d
• 2015–present F25 X3 sDrive18d
• 2015–2019 F30/F31/F34 318d
• 2015–present F32/F36 418d
• 2015–present F48 X1 sDrive18d
• 2015–present F54 MINI Cooper D Clubman
• 2017–present F39 X2 sDrive18d
• 2017–present F60 MINI Cooper D Countryman
• 2018–present G30 518d
• 2019–present G20 318d
• 2019–present F40 118d

B47C/D20 (120 kW version)

• 2015–present F56 MINI Cooper SD
• 2015–2018 F30 320d EfficientDynamics Edition

B47C/D20 (140 kW version)

• 2014–2016 F10/F11 520d
• 2014–present F26 X4 xDrive20d
• 2014–present F45 220d Active Tourer
• 2014–present F46 220d Gran Tourer
• 2015–present F20 120d/120d xDrive
• 2015–present F22/F23 220d
• 2014–2017 F25 X3 sDrive20d/xDrive20d
• 2015–2019 F30/F31/F34 320d
• 2015–present F32/F36 420d
• 2015–present F48 X1 sDrive20d
• 2015–present F54 MINI Cooper SD Clubman
• 2016–present G30/G31 520d
• 2017–present F39 X2 xDrive20d
• 2017–present F60 MINI Cooper SD Countryman
• 2017–present G01 X3 xDrive20d
• 2018–present G02 X4 xDrive20d
• 2018–present G32 620d Gran Turismo
• 2019–present G20 320d
• 2019–present F40 120d xDrive
• 2019–current F44 220d Gran Coupé
• 2021–present G42 220d

B47C/D20 (165 kW version)

• 2015–2019 F20 125d
• 2015–2019 F22 225d
• 2015–2018 F30/F31/F34 325d
• 2016–2020 F32/F33/F36 425d

B47C/D20 (170 kW version)

• 2018–present G05 X5 xDrive25d
• 2015–2018 F15 X5 sDrive25d/xDrive25d
• 2016–present F48 X1 xDrive25d
• 2017–2019 G30/G31 525d
• 2018–present F39 X2 xDrive25d
• 2016–2019 G11 725d/725Ld
• 2016 AutoTRON Spitfire Turbo Diesel Concept I (MHEV, Up to 290 HP (216 kW))

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.