BMW N42B20 injini - ruzivo uye basa

Iyo N42B20 injini yanga ichigadzirwa kubva 2001 uye kugovera kwakapera muna 2004. Chinangwa chikuru chokutanga chikwata ichi chaiva kutsiva yekare shanduro injini, akadai M43B18, M43TU uye M44B19. Isu tinopa ruzivo rwakanyanya kukosha nezve bhasikoro kubva kuBMW.

N42B20 injini - data data

Kugadzirwa kweiyo magetsi unit kwakaitwa neBMW Plant Hams Hall chirimwa, yaivepo kubva 2001 kusvika 2004. Injini inoshandisa masilinda mana ane pistons ina imwe neimwe muDOHC system. Iyo chaiyo yekusimuka kweinjini yaive 1995 cc.

I-in-line unit yakaratidzwa nehupamhi hwesilinda imwe neimwe inosvika 84 mm uye piston sitiroko ye90 mm. Compression ratio 10: 1, simba 143 hp pa 200 Nm. Kurongeka kwekushanda kweN42B20 injini: 1-3-4-2.

Kuti ishandiswe zvakanaka injini, 5W-30 uye 5W-40 mafuta aidiwa. Zvakare, simba retangi rezvinhu raiva 4,25 litres. Yaifanira kutsiviwa yega yega 10 12. km kana mwedzi gumi nemiviri.

Ko BMW unit yaive yakaiswa mumotokari dzipi?

Iyo N42B20 injini yakaiswa pamhando dzinozivikanwa kwazvo kune vese vanofarira mota. Tiri kutaura nezve mota BMW E46 318i, 318Ci uye 318 Ti. Iyo yakasikwa yakashuvira unit yakagamuchira ongororo yakanaka uye ichiri munzira nhasi.

Kuderedza uremu uye torque optimization - izvi zvakawanikwa sei?

Ichi chikamu chinoshandisa aluminium injini block. Kune izvi zvaiwedzerwa mabhushi esimbi. Iyi ndiyo imwe nzira yekugadzirisa yeanowanzo shandiswa sisitimu yakagadzirwa yakazara nesimbi yakakandwa. Musanganiswa uyu wakakonzera huremu hwakareruka zvichienzaniswa neyekare BMW inline-mana injini.

Torque optimization inowanikwa kuburikidza nekushandiswa kwemagetsi inodzorwa shanduko yejometry yakawanda. Iyo sisitimu yainzi DISA uye zvakare yakavandudza magetsi maparamita pakudzika uye kumhanya kwakanyanya. Uyezve yakawedzerwa kune iyi ndiyo Bosch DME ME9.2 mafuta jekiseni system.

Basic dhizaini sarudzo

Mukati me cylinder block mune crankshaft nyowani ine sitiroko ye90 mm, mapiston uye tambo dzekubatanidza. Iyo N42B20 injini zvakare yaive nechiyero shafts yedhizaini yakafanana neinjini yeM43TU.

Musoro we16-vharuvhu weDOHC, wakagadzirwawo kubva pane izvi, unogara pane aruminiyamu block. Yakanga iri chaiyo tekinoroji kusvetuka, sezvo mhando dzekare dzemidhudhudhu dzaishandisa chete 8-vharuvhu SOHC misoro. 

Iyo N42B20 inosanganisirawo Valvetronic variable valve lift uye nguva ketani. Zvakare, vagadziri vakasarudza kuisa maviri camshafts ane inosiyana valve timing system - iyo Double Vanos system. 

Dhiraivha Chikamu Kushanda - Matambudziko Akawanda Anowanzoitika

Rimwe rematambudziko emudhudhudhu anonyanya kunetsa kupisa. Kazhinji izvi zvaikonzerwa nekusvibiswa kwe radiator. Nzira yakanakisisa yekudzivirira yaiva yekuchenesa nguva dzose. Iyo thermostat yakakuvadzwa inogona zvakare kuve iyo honzeri - pano mhinduro ndeye yakajairwa kutsiva yega 100 XNUMX. km. 

Valve stem seals zvakare iri pasi pekupfeka, ivo vanomira kushanda uye, semhedzisiro, injini yekushandisa mafuta inowedzera. Kune zvakare matambudziko ane chekuita neiyo inotonhorera system. Iyo N42B20 injini inogona zvakare kuve neruzha - mhinduro yekusagadzikana inoenderana neruzha ndeyekutsiva iyo nguva ketani tensioner. Izvi zvinofanirwa kuitwa pa100 km. 

Izvo zvinodiwawo kutarisa mamiriro eBREMI ignition coils. Vanogona kukundikana kana vachitsiva spark plugs. Muchiitiko ichi, shandura makoiri neEPA ignition coils. Oiri yeinjini inokurudzirwa nemugadziri wemotokari yakakoshawo pakushanda kwakakodzera kwemudhudhudhu. Kutadza kuita izvi kunoda kuvandudzwa kwegungano nekutsiviwa kweVanos system. 

N42 B20 injini - zvakakodzera kusarudza?

Motokari 2.0 kubva kuBMW chikamu chakabudirira. Iyo ine hupfumi uye kugadzirisa kwega kusingadhure - musika une kuwanikwa kwepamusoro kwezvikamu zvakasara, uye makanika anowanzo ziva maitiro einjini zvakanyanya. Pasinei neizvi, chikwata chinoda kuongororwa nguva dzose uye kunyatsogadzirisa.

Chigadzirwa chacho chakakodzerawo chip tuning. Mushure mekutenga zvinhu zvakakodzera, senge inotonhora yemhepo yekupinda, Cat Back exhaust system uye injini yekugadzirisa, iyo shanduko inobvumira iwe kuwedzera simba reiyo unit kusvika 160 hp. Nechikonzero ichi, iyo N42B20 injini inogona kunge iri mhinduro yakanaka.