BMW N57

The BMW N57 is a family of aluminium, turbocharged straight-6 common rail diesel engines. The engines utilize variable geometry turbochargers and Bosch piezo-electric injectors.[1] The engine jointly replaced the M57 straight-6 and M67 V8 engines. In 2015 the N57 started to be replaced with the B57 engine, beginning with the G11 730d.

BMW N57
Overview
ManufacturerBMW
Production2008-present
Layout
ConfigurationStraight-6
Displacement3.0 L; 182.6 cu in (2,993 cc)
Cylinder bore84 mm (3.31 in)
Piston stroke90 mm (3.54 in)
Block materialAluminium
Head materialAluminium
ValvetrainDOHC 4 valves x cyl.
RPM range
Redline5400
Combustion
TurbochargerSingle, Twin-turbo or Tri-Turbo variable-geometry
Fuel systemCommon rail Direct Injection
ManagementBosch
Fuel typeDiesel fuel DIN EN 590
Cooling systemWater-cooled
Output
Power output150–280 kW (201–375 hp)
Torque output450–740 N⋅m (332–546 lb⋅ft)
Chronology
PredecessorBMW M57
BMW M67
SuccessorBMW B57

Summary
Engine codePowerTorqueRedline
(auto/manual)		Years
N57D30U0150 kW (201 hp)
at 4000		450 N⋅m (332 lb⋅ft)
at 1750-2500		5000/42502010
N57D30O0180 kW (241 hp)
at 4000		540 N⋅m (398 lb⋅ft)
at 1750-3000		5400/45002008
N57D30O1190 kW (255 hp)
at 4000		560 N⋅m (413 lb⋅ft)
at 1500-3000		5400/43002011
N57D30T0225 kW (302 hp)
at 4400		600 N⋅m (443 lb⋅ft)
at 1500-2500		5000/47502009
N57D30T1230 kW (308 hp)
at 4400		630 N⋅m (465 lb⋅ft)
at 1500-2500		5200/46002011
N57S[2]280 kW (375 hp)
at 4000-4400		740 N⋅m (546 lb⋅ft)
at 2000-3000		5400/46002012

N57D30

N57D30Ox has 1800 bar fuel pressure, while N57D30Tx has 2000 bar fuel pressure. N57D30Ox uses a single turbocharger, while N57D30Tx uses twin-turbochargers, and N57S uses three turbochargers of varying size.

  • Bore x stroke: 84 mm × 90 mm (3.31 in × 3.54 in)
  • BMW released a M Performance Kit for N57D30O1 in some markets boosting power to 210 kW (282 hp) and torque to 600 N⋅m (443 lb⋅ft). This kit included the larger intercooler of the N57D30T0

Applications:

See also

References
  1. "Direct Injection Spark Ignition Engine Combustion". Engine.kaist.ac.kr. Archived from the original on 2007-11-04. Retrieved 2011-11-08.
  2. "N57S pictures". BMW. Retrieved 2012-03-23.
  3. "FULL OFFICIAL F10 SPECS - 523i / 528i / 535i / 550i / 520d / 525d / 530d - 2010 2011 BMW 5 Series Forum F10". F10.5post.com. Archived from the original on 19 August 2010. Retrieved 2010-09-13.
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