Injini BMW M50B25, M50B25TU

Kutenga mota yeBMW yevatengi vazhinji ivimbiso yekutenga mota yemhando yepamusoro inogara kwenguva yakareba kupfuura vakwikwidzi vayo.

Chakavanzika chekuvimbika kwemotokari chiri mukutonga kwekugadzirwa kwavo pamatanho ese - kubva pakugadzirwa kwezvikamu kusvika pakuungana kwavo kuita mayuniti nemagungano. Nhasi, kwete chete mota dzemhando dzekambani dzinofarirwa, asiwo injini dzakagadzirwa - dzinowanzoiswa pamotokari dzevaunodzidza navo pachinzvimbo chenguva dzose injini dzinopisa mukati.

A bit of history

Mukutanga kwema90s, BMW yakafadza varidzi vemotokari nekubudiswa kweinjini itsva yeM50B25, iyo yakatsiva iyo yekare M 20 unit panguva iyoyo. yakashandiswa zvisingaremi uye zvisingaperi zvikamu, zvakagadzirwa nehunyanzvi tekinoroji kurerutsa huremu.

Iyo itsva shanduro yakasiyaniswa nekushanda kwakagadzikana - nzira yekugovera gasi yaisanganisira mavharuvhu akakwidziridzwa, ayo aive akareruka zvakanyanya uye aine chigadziro chakareba kupfuura paM 25. Nhamba yavo pa cylinder yaive 4 pane 2, sezvazvaive kare. Iyo yakawanda yekupinda yaive yakareruka kaviri - chiteshi chayo chaive chakanakira aerodynamics, ichipa mweya uri nani kumakamuri ekupisa.

Dhizaini yemusoro wecylinder yakachinja - mibhedha yakashongedzwa mairi kune maviri camshafts akashanda 24 mavharuvhu. Vatyairi vaifadzwa nekuvapo kwe hydraulic lifters - zvino pakanga pasina chikonzero chekugadzirisa mapeji, zvaive zvakakwana kungotarisa huwandu hwemafuta. Panzvimbo pebhandi renguva, ketani yakaiswa pane iyi ICE kekutanga, iyo yakadzorwa neiyo hydraulic tensioner uye inoda kutsiva chete mushure mekupfuura zviuru mazana maviri nemakumi mashanu emakiromita.

Mugadziri akakwidziridza iyo ignition system - macoil ega akaonekwa, mashandiro ayo aidzorwa neBosch Motronic 3.1 injini manejimendi system.

Kutenda kune zvese zvitsva, mota yaive neyakakwana zviratidzo zvemagetsi zvenguva iyoyo, yaive nemafuta mashoma ekushandisa, yakakwira kirasi yezvakatipoteredza uye yainyanya kudiwa pakugadzirisa.

Muna 1992, injini yakaitwa imwe update uye yakasunungurwa pasi pezita rokuti M50B25TU. Shanduro itsva yakapedzwa uye yakagamuchira itsva Vanos gasi rekugovera hurongwa, mazuva ano ekubatanidza tsvimbo uye pistons akaiswa, pamwe chete neBosch Motronic 3.3.1 control system.

BMW E34 M50B25TU

Motokari yakabudiswa kwemakore matanhatu, shanduro mbiri dzakabudiswa - 6 uye 2 litita. Pakutanga kwekugadzirwa, yakaiswa pamotokari dzeE 2,5 series, ipapo paE 34.

Technical specifications

Vatyairi vazhinji vane dambudziko rekutsvaga ndiro iyo inoteedzana uye nhamba yeinjini inodhindwa - sezvo nzvimbo yaro yakasiyana kune dzakasiyana mhando. PaM50V25 unit, iri pamberi pechivharo, padyo ne4th cylinder.

Zvino ngationgororei maitiro emota - iwo makuru anoratidzwa mutafura pazasi:

Cylinder block zvinhu	simbi
Power system	jekiseni
Tora	mukati
Uwandu sepombi	6
Mavharuvhu pamusoro humburumbira	4
Kurohwa kwepisitoni, mm	75
Cylinder dhayamita, mm	84
Kukanganiswa kwehuwandu	10.0
10.5 (TU)
Injini yekumhanyisa, cubic cm	2494
Injini simba, hp / rpm	192/5900
192/5900 (UT)
Torque, Nm / rpm	245/4700
245/4200 (UT)
Fuel	95
Environmental zviyero	Euro 1
Kurema kweinjini, kg	~ 198
Kushandiswa kwemafuta, l/100 km (yeE36 325i)
- guta	11.5
- track	6.8
- zvinosetsa.	8.7
Mafuta oiri, gr. / 1000 km	kuna 1000
Injini yemafuta	5W-30
5W-40
10W-40
15W-40
Oiri yakawanda sei muinjini, l	5.75
Shanduko yemafuta inoitwa, km	7000-10000
Injini inoshanda tembiricha, deg.	~ 90
Injini yekushandisa, zviuru zvemakiromita
- maererano nechirimwa	400 +
- pakuita	400 +

Mhedziso yezvakanyanya dhizaini maficha emota:

• M50V25 iri mumutsara matanhatu-cylinder injini ine huwandu hwe2494 cm³. Chimiro chayo chinomiririrwa ne-cast-iron block, umo masilinda matanhatu ane dhayamita ye84 mm ari mumutsara mumwe. Iyo mota ine torque yakanaka (245 Nm / rpm) uye simba (192 hp), ichikupa kutonga kwakazara pamusoro pemota mune traffic jams uye mumugwagwa wenyika. Zvakakosha kuziva kuti kudya kwezviyero izvi kwakanyanyisa - kushandiswa kwemafuta kunobva 8,7 kusvika 11,5 l / 100 km, zvichienderana nekutyaira.
• Iyo yekutonhodza sisitimu imvura, kutenderera kunopihwa nepombi inotungamirwa ne crankshaft pulley. Iyo thermostat inodzora kuyerera kweantifreeze mudenderedzwa hombe kana diki, ichipa yakazara tembiricha hutongi hweinjini.
• Iyo yekuzora sisitimu inopa mafuta kune makuru ekukwesha mayunitsi uchishandisa kudzvanywa kunopombwa negiya-mhando pombi, iyo iri mune sump. Kuti uvandudze kushanda kwechikwata, pamwe nekudzivirira kuvhara kwemafuta emafuta, firita yakakosha inoiswa muhurongwa;
• Iyo crank mechanism inomiririrwa nenhanhatu dzakaumbwa lightweight dzekubatanidza tsvimbo uye pistons, sitiroko yekupedzisira ndeye 75 mm. Pasi pechiito chavo, crankshaft inotenderera, ichiendesa torque kune kutapurirana kwemotokari. Iyo yekumanikidza reshiyo yeiyo classic vhezheni yemukati inopisa injini ndeye 10,0, yeM50V25TU - 10,5.
• Iyo ignition system inosanganisira imwe coil kune yega silinda, iyo mashandiro ayo anodzorwa neMotronic 3.1 injini manejimendi system. Iyi dhizaini inovimbisa kusakanganiswa kudzima kwemusanganiswa wekushanda;
• Iyo gasi yekuparadzira michina inomiririrwa neketani yenguva, hydraulic tensioner, maviri camshafts uye mavharuvhu ane madhairekitori avo - silinda imwe neimwe ine 2 yekupinda uye maviri emhepo mavharuvhu. Kana crankshaft ichitenderera, ketani inovimbisa kufamba kwechinofanana kwecamshafts, iyo inovhura mavharuvhu rimwe nerimwe.

Zvimiro zveM50B25TU injini

Iyi nhevedzano ndiyo yakawedzera vhezheni - shanduko dzakaunzwa makore maviri mushure mekuburitswa kweinjini huru. Chinangwa chemainjiniya chaive chekudzikisa ruzha, kuwedzera kushanda zvakanaka uye kuderedza kushandiswa kwemafuta. Iwo magadzirirwo makuru eM2V50TU ndeaya:

• Kushandiswa kweiyo itsva control system DME 3.3.1 uye controller Siemens MS 40.1, iyo inobvumira kutonga kwakakwana pamusoro pemaitiro makuru ejini. Izvi zvakaita kuti zvikwanise kuwedzera simba uye kuderedza kushandiswa kwemafuta;
• Shanduko mumagadzirirwo eiyo crank mechanism - iyo vhezheni itsva inoshandisa zvimwe zvepamberi zvikamu zvinogara, zvakareruka uye zvine hupenyu hwesevhisi hwakawedzerwa. The compression reshiyo yakawedzera, mitsva inopikisa yakaonekwa pa crankshaft kuderedza axial runout uye vibration;
• Nguva yacho yakagadziridzwa - iyo nyowani nyowani inoshandisa yakareruka uye yakasimba mavharuvhu ekusimudza. Kudzoka kwevhavha panzvimbo yayo yepakutanga kunoitwa uchishandisa chitubu chimwe;
• Iyo mota yakagamuchira imwe modhi yeisingaite yekumhanyisa sensor, iyo inochengetedza yakakwana modhi yekushanda kweinjini yekupisa yemukati isina basa, zvinoenderana neyakagadziridzwa paramita.

Chimwe chinhu chakasiyana cheinjini ndiko kuvapo kweVanos system, iyo inodzora kushanda kwegasi rekugovera gasi zvichienderana nemutoro, tembiricha inotonhorera uye mamwe maitiro.

Vanos - maitiro ekugadzira, basa

Iyi sisitimu inoshandura kona yekutenderera kweiyo shaft yekupinda, ichipa iyo yakakwana modhi yekuvhura mavharuvhu ekutora pakumhanya kweinjini. Nekuda kweizvozvo, simba rinowedzera, kushandiswa kwemafuta kunoderera, kufefetedza kwekamuri yekupisa kunowedzera, injini inogamuchira huwandu hunodiwa hwemusanganiswa unopisa mune iyi nzira yekushanda.

Vanos system dhizaini:

• Hydraulic mudziyo wekushandura nzvimbo yekutora camshaft;
• Electromagnetic switch;
• Oiri line nevhavha;
• Electronic controller.

Kushanda kweiyi sisitimu kuri nyore uye kunoshanda - iyo sensor yekudzora inoongorora maparamita ejini uye, kana zvichidikanwa, inotumira masaini kune iyo electromagnetic switch. Iyo yekupedzisira inobatanidzwa nevhavha inovhara kuvharwa kwemafuta. Kana zvichidikanwa, valve inovhura, inoshanda pane hydraulic device inoshandura nzvimbo ye camshaft uye chiyero chekuvhura kwevhavha.

Motor kuvimbika

Injini dzeBMW dziri pakati peakavimbika, uye yedu M50B25 haina mutsauko. Iwo makuru ekugadzira maficha anowedzera hupenyu hwesevhisi yemagetsi unit ndeaya:

• Kushandisa ketani panzvimbo yebhanhire - kutsiva kunodiwa zvishoma kazhinji, uye kuvimbika kwakakwirira;
• Kuiswa kwe hydraulic lifters - hapana kurongeka kwakarongwa kunodiwa;
• Kushandiswa kwemaitiro matsva ekugadzirisa injini (DME 3.3.1, Siemens MS 40.1, Vanos) - inowedzera chigadziro chezvikamu zvakasara, sezvo inogadzirisa kushanda kwejini inopisa mukati;
• Zvikamu zvakawanda zvakagadzirwa nepamusoro-simba alloys.

Iyo sosi iyo mugadziri anoseta ndeye 400 zviuru zvemakiromita. Asi maererano nekuongorora kwevatyairi - zvichienderana nemaitiro ekushanda uye kuchinja kwemafuta panguva, nhamba iyi inogona kuwedzerwa zvakachengeteka ne 1,5 nguva.

Basic Matambudziko uye Troubleshooting

Pane maronda mashoma pamota, heano akanyanya kuwanda pawo:

• Kupisa zvakanyanya - kusashanda uku kwakanakisa kusateedzerwa, sezvo zvisingawanzoenda pasina mhedzisiro. Inokurudzirwa kutarisa mamiriro ekugadzirisa kutonhora, kuvapo kweantifreeze uye mukana wehomwe dzemhepo;
• Troit injini - kazhinji dambudziko riri mumoto coils;
• Kusaenzana kumhanya - kazhinji, iyo isingaite yekumhanyisa controller ndiyo ine mhosva. Ichenese nemvura yakakosha uye pombi. Kana dambudziko racho richiripo - chikonzero chinogona kunge chiri throttle sensor kana lambda probe, inokurudzirwawo kuchenesa throttle uye kutarisa kutendeseka kwekutora manifold;
• Simba rakaderedzwa rinowanzova chikonzero chekukundikana kweVanos system. Dambudziko rinobviswa nekuritsiva, nekuda kweizvi zvinokurudzirwa kubata basa remotokari.

Aya ndiwo makuru asina simba einjini yedu. Kazhinji kune makirasi malfunctions nenzira yekudonha kwemafuta, kutadza kweakasiyana masensa anoda kutsiviwa.

Imhandoi yemafuta ekudira?

Kusarudzwa kwemafuta nguva dzose ibasa rakaoma zvikuru kune anofarira motokari. Mumusika wemazuva ano, mukana wekumhanya mukunyepedzera wakakwira zvakanyanya, uye unogona kuuraya moyo wechikara chako mushure mekutsiva kumwe. Ndosaka nyanzvi dzichikurudzira kuti usatenge mafuta uye mafuta ekuzora muzvitoro zvisina chokwadi kana kana paine fungidziro yakachipa yakaderera.

Mafuta anotevera akakodzera kune yedu injini akatevedzana:

• 5W-30;
• 5W-40;
• 10W-40;
• 15W-40.

Zvakakosha kuyeuka kuti maererano nebhuku racho - kushandiswa kwemafuta kwe1 litre pa 1000 km kunoonekwa seyakajairika, asi maererano nekuongorora, nhamba iyi yakanyanyisa. Izvo zvinodiwa kuti uchinje mafuta uye sefa yega yega 7-10 zviuru zvemakiromita.

Rondedzero yemotokari iyo M50V25 yakaiswa

• BMW 325i E36;
• BMW 525i E34.