| 词条 | BMW N57 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| 释义 |
| image = | name = BMW N57 | aka = | manufacturer = BMW | type = | production = 2008-present | predecessor = BMW M57 BMW M67 | successor = BMW B57 | configuration = I6 | bore = 84.0 mm | stroke = 90.0 mm | displacement = {{convert|2993|cc|L cuin||abbr=on}} | length = | diameter = | width = | height = | weight = | block = | head = | valvetrain = DOHC 4 valves per cylinder | supercharger = | turbocharger = Yes Single, BiTurbo or Tri-Turbocharged | fuelsystem = Common rail Direct Injection | fueltype = Diesel | oilsystem = | coolingsystem = | power = {{convert|150|-|280|kW|PS hp|abbr=on}} | specpower = | torque = {{convert|450|-|740|Nm|lbft|abbr=on}} | compression = | fuelcon = | specfuelcon = | oilcon = }} 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 diesel engines. In 2015 the N57 is starting to be replaced with the B57 engine, beginning with the G11 730d. Summary
N57D30N57D30Ox has 1800 bar fuel pressure, while N57D30Tx has 2000 bar fuel pressure. N57D30Ox uses single turbocharger, while N57D30Tx uses 2 turbochargers, and N57S uses 3 turbochargers of varying size.
Applications:
See also
References1. ^{{cite web|url=http://engine.kaist.ac.kr/research3.html |archive-url=https://web.archive.org/web/20071104065824/http://engine.kaist.ac.kr/research3.html |dead-url=yes |archive-date=2007-11-04 |title=Direct Injection Spark Ignition Engine Combustion |publisher=Engine.kaist.ac.kr |date= |accessdate=2011-11-08 }} 2. ^{{cite web|url=https://www.press.bmwgroup.com/pressclub/p/pcgl/pressDetail.html?outputChannelId=6&id=T0125785EN&left_menu_item=node__7310 |title=N57S pictures |publisher=BMW |date= |accessdate=2012-03-23}} 3. ^{{cite web|author=|url=http://f10.5post.com/forums/showthread.php?t=325034 |title=FULL OFFICIAL F10 SPECS - 523i / 528i / 535i / 550i / 520d / 525d / 530d - 2010 2011 BMW 5 Series Forum F10 |publisher=F10.5post.com |date= |accessdate=2010-09-13| archiveurl= https://web.archive.org/web/20100819085658/http://f10.5post.com/forums/showthread.php?t=325034| archivedate= 19 August 2010 | deadurl= no}} External links
2 : BMW engines|Diesel engines by model |
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