N52 engine si BMW - e ji mara nke arụnyere unit, gụnyere na E90, E60 na X5

Nke isii n'ahịrị nwere injection ọkọlọtọ na-eji nwayọọ nwayọọ na-adaba na nchefu. Nke a metụtara evolushọn nke ihe ndị ahịa BMW chọrọ, yana iwebata ụkpụrụ ikuku ikuku na-egbochi, nke na-amanye ndị na-emepụta ihe iji ngwọta ndị ọzọ. Igwe N52 bụ otu n'ime ụdị ikpeazụ a na-ewere dị ka nkeji BMW. Kedu ihe bara uru ịmara banyere ya?

N52 engine - isi ozi

Emepụtara unit ahụ site na 2004 ruo 2015. Ebumnuche nke ọrụ ahụ bụ iji dochie ụdị M54. The mpụta mbụ dara na E90 3-usoro nlereanya, yana E65 usoro 6. Otu ihe dị mkpa bụ na N52 bụ BMW premiere ngwaahịa mgbe ọ na-abịa na mmiri jụrụ nkeji. 

Ọ na-ejikwa ihe owuwu ihe mejupụtara - magnesium na aluminom. Injin ahụ emeriela ọtụtụ ihe nrite, gụnyere ebe na ndepụta Ward Top 10 na 2006 na 2007. N'ụzọ na-akpali mmasị, ọ dịghị ụdị M nke injin a.

Ojiji nke engine bụ na 2007. N'oge ahụ, BMW kpebiri iji nwayọọ nwayọọ wepụ ọgba tum tum n'ahịa. Ụkpụrụ mgbanyụ ọkụ nwere mmetụta kachasị na nke a - karịsịa na mba ndị dị ka USA, Canada, Australia na Malaysia. Ngalaba nọchiri ya bụ igwe turbocharged N20. Ọgwụgwụ mmepụta nke N52 mere na 2015.

Nchikota nke magnesium na aluminom - mmetụta dị aṅaa ka enwetara?

Dị ka e kwuru na mbụ, ihe owuwu ahụ dabeere na ngọngọ nke ihe mejupụtara magnesium-aluminom. Ejikọtara njikọ dị otú ahụ n'ihi njirimara nke mbụ nke ihe ndị a kpọtụrụ aha. 

Ọ nwere obere arọ, Otú ọ dị, ọ na-enwe ike imebi ya ma nwee ike imebi ya site na nnukwu okpomọkụ. Ọ bụ ya mere ejikọtara ya na aluminom, nke na-eguzogide ihe ndị a nke ukwuu. Ejiri alloy rụọ ụlọ crankcase, nke aluminom na-ekpuchi mpụta. 

Ihe ngwọta chepụta n'ime moto N52

Ndị na-emepụta ihe kpebiri iji njikwa ọkụ eletrik na oge valvụ na-agbanwe agbanwe - a na-akpọ usoro ahụ dị ka VANOS abụọ. Ejikwa nkeji iri dị ike karịa nke nwere akụkụ atọ dị ogologo mgbanwe - DISA na Sistemụ Valvetronic.

A na-eji Alusil mee ihe maka mkpuchi cylinder. Ọ bụ aluminom-silicon alloy hypereutectic. Ọdịdị na-adịghị mma nke ihe ahụ na-ejigide mmanụ ma bụrụ ebe dị mma na-ebu ibu. Alusil nọchiri Nikasil nke a na-ejibu emebu, nke wepụrụkwa nsogbu corrosion mgbe ọ na-eji mmanụ ụgbọala na sọlfọ eme ihe. 

Ndị na-emepụta ihe na-ejikwa camshaft oghere iji belata ibu, yana mgbapụta mmiri eletrik na mgbapụta mmanụ na-agbanwe agbanwe. Igwe N52 ahụ dabara na sistemụ njikwa Siemens MSV70 DME.

N52B25 nkeji 

Ụdị nke mbụ nwere ikike nke 2,5 lita (2 cc). E tinyere ya n'ime ụgbọ ala e zubere maka ahịa Europe, yana ndị America na Canada. Mmepụta dịgidere site na 497 ruo 2005. Otu N52B25 gụnyere ụdị nwere oke ndị a:

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

N52B30 nkeji

Nke a dị iche iche nwere ike nke 3,0 lita (2 cc). Oghere nke cylinder nke ọ bụla bụ 996 mm, ọrịa strok ahụ bụ 85 mm, na oke mkpakọ bụ 88: 10,7. Ihe dị iche na ike na-emetụta ihe ndị e ji mee ihe, dịka ọmụmaatụ. ihe oriri manifolds na njikwa software. Otu N52B30 gụnyere ụdị nwere oke ndị a:

• na 163 kW (215 hp) na 270 Nm ma ọ bụ 280 Nm (2006-2011). Nwụnye na BMW 7 E90/E92/E93 325i, 325xi, E60/E61 525i, 525xi, E85 Z4 3.0i, E82/E88 125i, E60/E61 528i, 528xi na E84 X1i;
• na 170 kW (228 hp) na 270 Nm (2007-2013). Ntinye na BMW E90/E91/E92/E93 328i, 328xi na E82/E88 128i;
• na 180 kW (241 hp) na 310 Nm (2008-2011). Ntinye na BMW F10 528i;
• na 190 kW (255 hp) na 300 Nm (2010-2011). Ntinye na BMW E63/E64 630i, E90/E92/E93 330i, 330xi, E65/E66 730i, E60/E61 530i, 530xi, F01 730i, E89 Z4 sDrive30i x84i, E1, na X28I
• na 195 kW (261 hp) na 315 Nm (2005-2009). Ntinye na BMW E85/E86 Z4 3.0si na E87 130i;
• na 200 kW (268 hp) na 315 Nm (2006-2010). Ntinye na E83 X3 3.0si, E70 X5 3.0si, xDrive30i, E63/E64 630i na E90/E92/E93 330i, 330xi.

Mmejọ nke injin n52

A na-ahụta otu ahụ nke ọma. Nke a anaghị emetụta ụdị cylinder isii nke dabara na 328i na 525i, bụ nke echetara n'ihi mmejọ imewe ugboro ugboro na-akpata obere sekit nke crankcase ventilation valve heater. 

N'aka nke ọzọ, nsogbu ọkọlọtọ gụnyere ọdịda nke usoro VANOS, hydraulic valve actuators, ma ọ bụ ọdịda nke mgbapụta mmiri ma ọ bụ mmebi nke thermostat. Ndị ọrụ ṅakwara ntị na mkpuchi valvụ na-agbapụta, ụlọ nzacha mmanụ, ma ọ bụ ịgba nkịtị na-enweghị isi.