Injin BMW M50B25, M50B25TU

Siyan motar BMW ga mafi yawan masu amfani da ita shine tabbacin siyan mota mai inganci wacce zata daɗe fiye da masu fafatawa.

Sirrin amincin motoci yana cikin ikon sarrafa abubuwan da suke samarwa a kowane mataki - tun daga kera sassa zuwa taron su zuwa raka'a da majalisai. A yau, ba kawai motoci masu alama na kamfanin sun shahara ba, har ma da injunan ƙera - waɗanda galibi ana sanya su akan motocin abokan karatunsu maimakon injunan ƙonewa na ciki na yau da kullun.

A bit of history

A farkon 90s, BMW ya faranta wa masu motoci farin ciki tare da sakin sabon injin M50B25, wanda ya maye gurbin naúrar M 20 da ba ta daɗe a wancan lokacin. Idan aka kwatanta da wanda ya riga shi, an sami babban ƙarfin wutar lantarki - ƙungiyar Silinda-piston ta zamani, wanda ya zama zamani. an yi amfani da sassa masu nauyi da ɗorewa, waɗanda fasaha ta musamman ta yi don sauƙaƙe nauyi.

An bambanta sabon nau'in ta hanyar aikin barga - tsarin rarraba iskar gas ya haɗa da bawuloli masu haɓakawa, waɗanda suka fi sauƙi kuma suna da albarkatu masu tsayi fiye da M 25. Lambar su ta kowane silinda shine 4 maimakon 2, kamar yadda yake a baya. Matsakaicin abin sha ya sauƙaƙa sau biyu - tashoshinsa suna da ingantacciyar iska, suna samar da ingantacciyar isar da iska ga ɗakunan konewa.

Zane-zane na kan Silinda ya canza - an kera gadaje a ciki don camshafts guda biyu waɗanda ke ba da bawuloli 24. Masu ababen hawa sun gamsu da kasancewar masu hawan hydraulic - yanzu babu buƙatar daidaita ɓangarorin, ya isa kawai don saka idanu kan matakin mai. Maimakon bel na lokaci, an shigar da sarkar a kan wannan ICE a karon farko, wanda aka tsara ta hanyar na'ura mai aiki da karfin ruwa kuma yana buƙatar maye gurbin kawai bayan ya wuce kilomita 250.

Mai sana'anta ya haɓaka tsarin kunnawa - kowane coils sun bayyana, wanda tsarin sarrafa injin Bosch Motronic 3.1 ya tsara aikin.

Godiya ga duk sabbin abubuwa, motar tana da kusan alamun ikon wutar lantarki na wancan lokacin, yana da ƙarancin amfani da mai, babban aji na muhalli kuma yana da ƙarancin buƙata akan kulawa.

A cikin 1992, injin ya sake yin wani sabuntawa kuma an sake shi a ƙarƙashin sunan M50B25TU. An kammala sabon sigar kuma an karɓi sabon tsarin rarraba iskar gas na Vanos, an shigar da sandunan haɗin kai na zamani da pistons, da kuma tsarin sarrafa Bosch Motronic 3.3.1.

BMW E34 M50B25TU

An samar da motar don shekaru 6, an samar da nau'i biyu - 2 da 2,5 lita. A farkon samar da aka shigar a kan motoci na E34 jerin, sa'an nan a kan E 36.

Технические характеристики

Yawancin masu ababen hawa suna da wahalar samun faranti inda aka buga jerin da lambar injin - tunda wurinsa ya bambanta ga nau'ikan daban-daban. A kan naúrar M50V25, tana kan gaban gaban toshe, kusa da silinda ta 4.

Yanzu bari mu bincika halayen motar - an nuna manyan su a cikin tebur da ke ƙasa:

Silinda toshe kayan	baƙin ƙarfe
Tsarin wutar lantarki	injector
Rubuta	layi-layi
Yawan silinda	6
Bawuloli a kowace silinda	4
Bugun jini, mm	75
Silinda diamita, mm	84
Matsakaicin matsawa	10.0
10.5 (TU)
Matsayin injin, mai siffar sukari cm	2494
Enginearfin inji, hp / rpm	192/5900
192/5900 (TU)
Karfin juyi, Nm / rpm	245/4700
245/4200 (TU)
Fuel	95
Matsayin muhalli	Yuro 1
Nauyin injin, kg	~ 198
Amfanin mai, l/100km (na E36 325i)
- birni	11.5
- waƙa	6.8
- mai ban dariya.	8.7
Amfanin mai, gr. / 1000 km	to 1000
Man injin	5W-30
5W-40
10W-40
15W-40
Nawa ne man a injin, l	5.75
Ana aiwatar da canjin mai, km	7000-10000
Injin zafin jiki na aiki, deg.	~ 90
Injin injiniya, kilomita dubu
- a cewar shuka	400 +
- a aikace	400 +

Bayanin babban fasalin ƙirar motar:

• M50V25 injin silinda ne na cikin layi guda shida tare da girman 2494 cm³. Zanensa yana wakilta da shingen simintin ƙarfe, wanda a cikin sahu guda shida na silinda masu diamita na 84 mm suna cikin layi ɗaya. Motar tana da karfin juyi mai kyau (245 Nm / rpm) da iko (192 hp), yana ba ku cikakken iko akan motar duka a cikin cunkoson ababen hawa da kuma kan titin ƙasa. Yana da mahimmanci a lura cewa sha'awar waɗannan sigogi suna da matsakaici - amfani da man fetur daga 8,7 zuwa 11,5 l / 100 km, dangane da yanayin tuki.
• Tsarin sanyaya ruwa ne, ana samar da wurare dabam dabam ta hanyar famfo mai tuƙi ta hanyar ƙwanƙwasa crankshaft. Ma'aunin zafi da sanyio yana sarrafa kwararar maganin daskarewa a cikin babban ko ƙarami, yana ba da cikakken tsarin zafin jiki na injin.
• Tsarin lubrication yana samar da man fetur ga manyan sassan shafa ta hanyar amfani da matsa lamba ta hanyar famfo mai nau'in gear, wanda ke cikin sump. Don inganta aikin naúrar, da kuma hana toshe tashoshi na man fetur, an shigar da tace ta musamman a cikin tsarin;
• Tsarin crank yana wakiltar sanduna masu nauyi masu nauyi guda shida na ƙirƙira da pistons, bugun bugun na ƙarshen shine 75 mm. A ƙarƙashin aikin su, crankshaft yana jujjuya, yana watsa juzu'i zuwa watsa abin hawa. Matsakaicin matsi don ingin injunan konewa na zamani shine 10,0, don M50V25TU - 10,5.
• Tsarin ƙonewa ya haɗa da coil ɗaya don kowane Silinda, wanda tsarin sarrafa injin Motronic 3.1 ke sarrafa aikin. Wannan ƙira yana tabbatar da ƙonewar haɗin gwiwar aiki ba tare da katsewa ba;
• Tsarin rarraba iskar gas yana wakilta ta hanyar sarkar lokaci, mai tayar da ruwa, camshafts biyu da bawuloli tare da jagororinsu - kowane silinda yana da ci 2 da bawul ɗin shayewa biyu. Lokacin da crankshaft ya juya, sarkar tana tabbatar da motsi na camshafts, wanda ke buɗe bawuloli ɗaya bayan ɗaya.

Siffofin injin M50B25TU

Wannan jerin ne mafi ci-gaba version - canje-canje da aka gabatar shekaru 2 bayan da saki na babban engine. Manufar injiniyoyin ita ce rage hayaniya, haɓaka aiki da rage yawan man fetur. Babban gyare-gyare na M50V25TU sune:

• Yin amfani da sabon tsarin sarrafawa DME 3.3.1 da mai kula da Siemens MS 40.1, wanda ke ba da damar iko mafi kyau akan manyan hanyoyin injin. Wannan ya ba da damar ƙara wutar lantarki da rage yawan man fetur;
• Canji a cikin ƙirar ƙirar crank - sabon sigar yana amfani da ƙarin ɓangarorin ci gaba waɗanda ke da dorewa, haske kuma suna da haɓaka rayuwar sabis. Matsakaicin matsawa ya karu, sababbin ma'auni sun bayyana akan crankshaft don rage gudu axial da rawar jiki;
• An sabunta lokacin - sabon jerin yana amfani da masu ɗaukar bawul masu sauƙi da ƙarfi. Komawar bawul ɗin zuwa matsayinsa na asali ana aiwatar da shi ta amfani da bazara ɗaya;
• Motar ta karɓi nau'i daban-daban na firikwensin saurin aiki, wanda ke kula da mafi kyawun yanayin aiki na injin konewa na ciki ba shi da aiki, bisa ga sabbin sigogin da aka sabunta.

Wani nau'i na musamman na injin shine kasancewar tsarin Vanos, wanda ke tsara tsarin aikin rarraba iskar gas dangane da kaya, yanayin sanyi da sauran halaye.

Vanos - fasali na zane, aiki

Wannan tsarin yana canza kusurwar jujjuyawar magudanar abinci, yana ba da mafi kyawun yanayin buɗe bawul ɗin ci a babban injin injin. A sakamakon haka, wutar lantarki yana ƙaruwa, yawan man fetur yana raguwa, samun iska na ɗakin konewa yana ƙaruwa, injin yana karɓar adadin da ake buƙata na cakuda mai ƙonewa a cikin wannan yanayin aiki.

Tsarin tsarin Vanos:

• Na'urar hydraulic don canza matsayi na camshaft na ci;
• Canjin wutar lantarki;
• Layin mai tare da bawul;
• Mai sarrafa lantarki.

Ayyukan wannan tsarin yana da sauƙi kuma mai tasiri - firikwensin sarrafawa yana nazarin sigogi na injin kuma, idan ya cancanta, aika sigina zuwa maɓallin lantarki. An haɗa na ƙarshe zuwa bawul ɗin da ke kashe matsa lamba mai. Idan ya cancanta, bawul ɗin yana buɗewa, yana aiki akan na'urar hydraulic wanda ke canza matsayi na camshaft da matakin buɗe bawuloli.

Amincewar mota

Injin BMW suna daga cikin mafi aminci, kuma M50B25 ɗinmu ba banda bane. Babban fasali na ƙira waɗanda ke haɓaka rayuwar sabis na rukunin wutar lantarki sune:

• Yin amfani da sarkar maimakon bel - ana buƙatar maye gurbin sau da yawa sau da yawa, kuma dogara ya fi girma;
• Shigar da na'ura mai ba da hanya tsakanin hanyoyin sadarwa - ba a buƙatar daidaitawa da aka tsara;
• Yin amfani da sababbin tsarin kula da injin (DME 3.3.1, Siemens MS 40.1, Vanos) - yana ƙara yawan albarkatun kayan aiki, yayin da yake inganta aikin injin konewa na ciki;
• Yawancin sassa an yi su ne da kayan aiki masu ƙarfi.

Albarkatun da masana'anta ya kafa shine kilomita dubu 400. Amma bisa ga sake dubawa na masu ababen hawa - batun yanayin aiki da canjin canjin lokaci, wannan adadi zai iya ninka sau 1,5 lafiya.

Matsaloli na asali da Shirya matsala

Akwai 'yan raunuka a kan motar, ga mafi yawan su:

• Overheating - wannan rashin aiki ya fi kyau kada a yi wasa da shi, saboda da wuya ya tafi ba tare da sakamako ba. Ana bada shawara don duba yanayin tsarin sanyaya, kasancewar antifreeze da yiwuwar aljihun iska;
• Injin Troit - mafi yawan lokuta matsalar ita ce a cikin ƙusoshin wuta;
• Gudun da ba daidai ba - a mafi yawan lokuta, mai sarrafa saurin aiki ne ke da laifi. Tsaftace shi da ruwa na musamman da famfo. Idan matsalar ta ci gaba - dalilin zai iya zama firikwensin magudanar ruwa ko bincike na lambda, ana kuma ba da shawarar tsaftace magudanar da kuma bincika amincin ma'aunin abin da ake ci;
• Rage ikon yawanci shine dalilin rashin nasarar tsarin Vanos. An kawar da matsalar ta maye gurbinsa, saboda wannan yana da kyau a tuntuɓi sabis na mota.

Waɗannan su ne manyan wuraren raunin injin mu. Yawancin lokaci akwai rashin aiki na yau da kullun a cikin nau'in leaks mai, gazawar na'urori daban-daban waɗanda ke buƙatar maye gurbin.

Wani irin mai za a zuba?

Zaɓin mai koyaushe aiki ne mai wahala ga mai sha'awar mota. A cikin kasuwar zamani, yuwuwar shiga cikin karya yana da girma sosai, kuma zaku iya kashe zuciyar dabbar ku bayan maye gurbin daya. Abin da ya sa masana ke ba da shawarar kada a sayi mai da mai a cikin shagunan shaguna ko kuma idan akwai rahusa mai arha.

Wadannan mai sun dace da jerin injin mu:

• 5W-30;
• 5W-40;
• 10W-40;
• 15W-40.

Yana da mahimmanci a tuna cewa bisa ga littafin - amfani da man fetur na lita 1 a kowace kilomita 1000 ana daukar al'ada, amma bisa ga sake dubawa, wannan adadi ya yi yawa. Wajibi ne a canza mai da tace kowane kilomita dubu 7-10.

Jerin motocin da aka sanya M50V25

• BMW 325i E36;
• BMW 525i E34.