N52 engine daga BMW - halaye na shigarwa naúrar, ciki har da E90, E60 da X5

In-line shida tare da daidaitaccen allura a hankali yana faɗuwa cikin mantuwa. Wannan yana da alaƙa da haɓakar buƙatun abokan ciniki na BMW, da kuma ƙaddamar da ƙa'idodin ƙayyadaddun ƙayyadaddun iskar shaye-shaye, wanda ke tilasta masu zanen yin amfani da wasu hanyoyin magance su. Injin N52 yana ɗaya daga cikin samfuran ƙarshe waɗanda ake ɗauka a matsayin raka'o'in BMW na yau da kullun. Menene darajar sani game da shi?

Injin N52 - bayanin asali

An samar da rukunin daga 2004 zuwa 2015. Manufar aikin shine maye gurbin sigar M54. A halartan taron ya fadi a kan samfurin E90 3-jerin, da kuma E65-jerin 6. Wani muhimmin batu shi ne cewa N52 ya kasance farkon samfurin BMW idan ya zo ga ruwa mai sanyaya raka'a. 

Har ila yau, yana amfani da haɗin ginin - magnesium da aluminum. Injin ya sami lambobin yabo da yawa, gami da wuri a cikin jerin Top 10 na Ward a cikin 2006 da 2007. Abin sha'awa, babu sigar M na wannan injin.

Hasken hasken injin ya kasance a cikin 2007. A lokacin ne BMW ya yanke shawarar fitar da babur a hankali daga kasuwa. Ƙuntataccen ƙa'idodin konewa ya sami babban tasiri akan hakan - musamman a ƙasashe kamar Amurka, Kanada, Ostiraliya da Malesiya. Na'urar da ta maye gurbinsa ita ce injin turbocharged na N20. An kawo karshen samar da N52 a shekarar 2015.

Haɗin magnesium da aluminum - menene tasirin da aka samu?

Kamar yadda aka ambata a baya, ginin yana dogara ne akan wani toshe da aka yi da kayan aikin magnesium-aluminum. An yi amfani da irin wannan haɗin gwiwa saboda kaddarorin na farko na kayan da aka ambata. 

Yana da ƙananan nauyi, duk da haka, yana da saukin kamuwa da lalata kuma yana iya lalacewa ta hanyar yanayin zafi. Shi ya sa aka hada shi da aluminum, wanda ke da matukar juriya ga wadannan abubuwan. An yi gidaje na crankcase da gami, tare da aluminum rufe na waje. 

Zane mafita a cikin babur N52

Masu zanen kaya sun yanke shawarar yin amfani da sarrafa magudanar lantarki da madaidaicin lokacin bawul - ana kiran tsarin da VANOS biyu. Hakanan an samar da ƙarin raka'a masu ƙarfi tare da nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan iri uku - DISA da tsarin Valvetronic.

An yi amfani da Alusil don silinda. Yana da hypereutectic aluminum-silicon gami. Tsarin da ba ya yuwuwa na kayan yana riƙe da mai kuma shine madaidaicin shimfidar wuri. Alusil ya maye gurbin Nikasil da aka yi amfani da shi a baya, wanda kuma ya kawar da matsalolin lalata yayin amfani da fetur da sulfur. 

Masu zanen kaya kuma sun yi amfani da camshaft maras nauyi don rage nauyi, da kuma famfon ruwa na lantarki da kuma famfon mai na ƙaura. Injin N52 an sanye shi da tsarin sarrafa Siemens MSV70 DME.

N52B25 raka'a 

Bambanci na farko yana da ƙarfin 2,5 lita (2 cc). An sanya shi a cikin motocin da aka yi nufin kasuwancin Turai, da kuma Amurkawa da Kanada. Production dade daga 497 zuwa 2005. Ƙungiyar N52B25 ta ƙunshi nau'o'i tare da sigogi masu zuwa:

• da 130 kW (174 hp) a 230 Nm (2005-2008). Shigarwa a cikin BMW E90 323i, E60/E61 523i da E85 Z4 2.5i;
• da 150 kW (201 hp) a 250 Nm (2007-2011). Shigarwa a cikin BMW 323i, 523i, Z4 sDrive23i;
• da 160 kW (215 hp) a 250 Nm (2004-2013). Shigarwa a cikin BMW E83 X3 2.5si, xDrive25i, E60/E61 525i, 525xi, E90/E91/E92/E93 352i, 325xi da E85 Z4 2.5si.

N52B30 raka'a

Wannan bambance-bambancen yana da ƙarfin 3,0 lita (2 cc). Ƙaƙwalwar kowane silinda ya kasance 996 mm, bugun jini ya kasance 85 mm, kuma rabon matsawa shine 88: 10,7. Bambancin wutar lantarki ya shafi abubuwan da aka yi amfani da su, misali. manifolds ci da sarrafa software. Ƙungiyar N52B30 ta ƙunshi nau'o'i tare da sigogi masu zuwa:

• da 163 kW (215 hp) a 270 Nm ko 280 Nm (2006-2011). Shigarwa akan BMW 7 E90/E92/E93 325i, 325xi, E60/E61 525i, 525xi, E85 Z4 3.0i, E82/E88 125i, E60/E61 528i, 528xi da E84 X1i;
• da 170 kW (228 hp) a 270 Nm (2007-2013). Shigarwa a cikin BMW E90/E91/E92/E93 328i, 328xi da E82/E88 128i;
• da 180 kW (241 hp) a 310 Nm (2008-2011). Shigarwa a cikin BMW F10 528i;
• da 190 kW (255 hp) a 300 Nm (2010-2011). Shigarwa akan BMW E63/E64 630i, E90/E92/E93 330i, 330xi, E65/E66 730i, E60/E61 530i, 530xi, F01 730i, E89 Z4 sDrive30i, E84I, E1I, da E28XDrive87i, E130i, E25i3, da E28I
• da 195 kW (261 hp) a 315 Nm (2005-2009). Shigarwa a cikin BMW E85/E86 Z4 3.0si da E87 130i;
• da 200 kW (268 hp) a 315 Nm (2006-2010). Shigarwa akan E83 X3 3.0si, E70 X5 3.0si, xDrive30i, E63/E64 630i da E90/E92/E93 330i, 330xi.

Laifin injin n52

Ana ɗaukar naúrar mai nasara. Wannan bai shafi nau'ikan silinda guda shida da aka dace da 328i da 525i ba, waɗanda aka tuno saboda kuskuren ƙira da aka maimaita wanda ya haifar da ɗan gajeren da'ira na crankcase ventilation valve hita. 

A gefe guda kuma, daidaitattun matsalolin sun haɗa da gazawar tsarin VANOS, injin bawul ɗin ruwa, ko gazawar famfo na ruwa ko lalacewa ga ma'aunin zafi da sanyio. Masu amfani kuma sun mai da hankali ga murfin bawul mai yatsa, gidajen tace mai, ko rashin daidaituwa.