Engine N42B20 si BMW - ozi na ọrụ

Emepụtara injin N42B20 site na 2001 wee kesaa ya n'afọ 2004. Isi nzube nke ewebata a unit bụ dochie ochie nsụgharị nke engines dị ka M43B18, M43TU na M44B19. Anyị na-ewetara ozi kachasị mkpa gbasara igwe kwụ otu ebe si BMW.

N42B20 engine - data teknụzụ

Mmepụta nke ike unit bụ nke BMW Plant Hams Hall osisi rụrụ, nke dị site na 2001 ruo 2004. Igwe ahụ na-eji cylinders anọ nwere piston anọ ọ bụla na sistemụ DOHC. Ikike injin ya bụ 1995 cc.

E ji dayameta nke cylinder ọ bụla na-eru 84 mm na strok piston nke 90 mm n'ime ahịrị. Oke mkpakọ 10:1, ike 143 hp. na 200 Nm. Usoro ọrụ nke injin N42B20 bụ 1-3-4-2.

Maka iji engine eme ihe nke ọma, achọrọ mmanụ 5W-30 na 5W-40. N'aka nke ya, ikike tank maka ihe ahụ bụ lita 4,25. A ghaghị dochie ya kwa 10 12. km ma ọ bụ ọnwa XNUMX.

Kedu ụgbọ ala ka etinyere unit BMW?

Awụnyere injin N42B20 n'ụdị ndị niile na-anụ ọkụ n'obi ụgbọ ala mara nke ọma. Anyị na-ekwu maka BMW E46 318i, 318Ci na 318 Ti. Ngalaba na-achọsi ike sitere n'okike nwetara nyocha dị mma ma ka dị n'okporo ụzọ.

Mbelata arọ na njikarịcha torque - kedu ka esi enweta nke a?

Ngalaba a na-eji ngọngọ aluminom engine. Na nke a, agbakwunyere osisi nkedo ígwè. Nke a bụ ihe ngwọta ọzọ maka usoro a na-ejikarị nke a na-ejikarị eme ihe. Ngwakọta a rụpụtara nfe dị arọ ma e jiri ya tụnyere ụdị BMW inline-anọ nke ochie.

A na-enweta njikarịcha torque site n'iji usoro oriri nwere ọtụtụ ihe eji emepụta geometry na-agbanwe agbanwe nke eletrọnịkị. A na-akpọ usoro ahụ DISA ma kwalitekwa parampat ike dị ala na nnukwu ọsọ. Agbakwunyekwara na nke a bụ Bosch DME ME9.2 sistemu ịgba mmanụ.

Isi mkpebi imewe

N'ime ngọngọ cylinder bụ crankshaft strok 90mm ọhụrụ, pistons na mkpanaka njikọ. Igwe N42B20 nwekwara ogwe nha nha nke otu ihe ahụ dị ka injin M43TU.

A na-etinye isi DOHC 16-valve, nke sitere na ihe a, na ngọngọ aluminum. Nke a bụ ezigbo mmụba teknụzụ, dịka ụdị ọgba tum tum mbụ ji naanị isi SOHC 8-valve. 

N42B20 na-egosipụtakwa sistemu ebuli valve Valvetronic na agbụ oge. Ndị na-emepụta ihe ahụ kpebiri ịwụnye camshafts abụọ nwere usoro oge valvụ na-agbanwe agbanwe - usoro Double Vanos. 

Ọrụ nke otu mbanye - nsogbu kachasị

Otu n'ime nsogbu ndị a na-ahụkarị mgbe ị na-arụ ọgba tum tum bụ ikpo oke ọkụ. Nke a na-abụkarị n'ihi mmetọ nke radiator. Ihe mgbochi kachasị mma bụ ihicha mgbe niile. Igwe ọkụ na-ekpo ọkụ mebiri emebi nwekwara ike ịbụ ihe kpatara ya - ebe a ngwọta bụ nnọchi anya mgbe niile 100 ọ bụla. km. 

Akara akara valve na-eyikwa, ha na-akwụsị ịrụ ọrụ na, n'ihi ya, mmanụ engine na-abawanye. Enwekwara nsogbu ndị metụtara usoro jụrụ oyi. Igwe N42B20 nwekwara ike ime mkpọtụ - ihe ngwọta maka nsogbu ahụ metụtara mkpọtụ bụ iji dochie ihe nrịbama nke oge. Ekwesịrị ime nke a kwa 100 km. 

Ọ dịkwa mkpa iji nyochaa ọnọdụ nke mkpuchi ọkụ BREMI. Ha nwere ike daa mgbe ha na-edochi plọg ọkụ. N'okwu a, dochie eriri igwe na mkpuchi ọkụ EPA. Mmanụ engine nke ndị na-emepụta ụgbọ ala kwadoro dịkwa mkpa maka ịrụ ọrụ nke ọma nke ọgba tum tum. Ọdịda irube isi na nke a ga-achọ mmezigharị nke ngalaba ahụ na nnọchi nke sistemụ Vanos. 

N42 B20 engine - ọ bara uru ịhọrọ?

Igwe 2.0 sitere na BMW bụ nkeji na-aga nke ọma. A na-eji ya arụ ọrụ nke ọma, na nrụzi onye ọ bụla dị ọnụ ala - enwere ohere dị elu nke akụrụngwa na ahịa, na ndị na-arụ ọrụ na-amakarị njirimara nke engine nke ọma. N'agbanyeghị nke a, unit ahụ chọrọ nleba anya mgbe niile na nlekọta nke ọma.

Ngwaọrụ ahụ dịkwa mma maka mgbawa mgbawa. Mgbe ịzụrụ ihe ndị kwesịrị ekwesị, dị ka ikuku ikuku oyi, Cat Back System iyuzucha na nhazi njikwa engine, mgbanwe ahụ nwere ike ime ka ikike nke unit ahụ dịkwuo 160 hp. N'ihi nke a, engine N42B20 nwere ike ịbụ ezigbo ngwọta.