Injin M52B20 - halayen naúrar daga BMW!
Abubuwa
Injin M52B20 bai bar shagunan samarwa ba tun 2000. An maye gurbin shi da samfurin M54. An haɓaka babban rukunin a cikin gyare-gyare guda uku. A cikin shekarun sayarwa, motar ta kuma sami gyare-gyare da yawa. Muna gabatar muku da mahimman labarai game da wannan tuƙi!
M52B20 engine - fasaha bayanai
Cibiyar da injinan M52B20 suka fito daga ita ce kamfanin Bavarian Plant Group, mallakar BMW, wanda ke aiki tun 1992 kuma yana birnin Munich. Kamar yadda aka ambata a baya, an samar da rukunin wutar lantarki daga 1994 zuwa 2000.
M52B20 injin ingin mai silinda guda shida ne na layi tare da bawuloli huɗu akan kowane silinda a cikin tsarin DOHC. A lokaci guda, piston diamita ne 80 mm, da bugun jini - 66 mm. Bi da bi, jimlar yawan aiki shine 1991 cc.
Wannan injin bugun bugun jini mai nauyin lita 2.0 na dabi'a yana da matsi na 11: 1 kuma yana haɓaka 148 hp. Don amfani da shi, yi amfani da 0W-30, 0W-40, 5W-30 ko 5W-40 mai kuma canza shi kowane kilomita 10-12. km ko kowane watanni 6.5. Tankin abu yana da karfin lita XNUMX.
Motocin da aka sanya injin a kansu
Injin M52B20 ya yi amfani da jerin E36 na uku da kuma E39 na biyar. Injiniyoyin BMW kuma sun yi amfani da wannan taro a cikin motocin E46 tun daga ƙarshen 90s, kuma injin ɗin ya fito a cikin E38 7 Series da E36/E37 Z3.
Tsarin tuƙi
Injin 52-lita inline shida-Silinda na cikin jerin MX ne. Don haka, akwai kamanceceniya da yawa a cikin ƙira tsakanin wannan ƙirar da bambance-bambancen M52B24, M52B25, M52B28 da S52B32. Toshe M52B20 ya maye gurbin samfurin M50B20.
Masu zanen BMW sun yanke shawarar yin amfani da shingen silinda na aluminum. An kuma yi amfani da wannan kayan don yin shugaban 32-valve DOHC. Idan aka kwatanta da bambance-bambancen M50B20, ana kuma amfani da sabbin pistons da sanduna masu tsayin mm 145.
Har ila yau, kayan aikin injin sun haɗa da tsarin tsarin lokaci mai canzawa VANOS kawai akan camshaft ɗin cin abinci, da kuma nau'in kayan abinci mai sauƙi, wanda aka yi da filastik. Haka kuma injin din yana da allurar man fetur 154cc.
Yadda za a inganta juriya na silinda liners?
A cikin yanayin M52B20, an yi amfani da ƙarin Layer na Nikasil a kan silinda. Rubutun ya ƙunshi daidaitaccen nau'in lipophilic na electrophoretically na nickel da silicon carbide. Amfani da shi ya haifar da dawwama ga abubuwan da aka yi amfani da su, kwatankwacin simintin ƙarfe ko abubuwan chromium.
Sabbin mafita a cikin 1998 - ta yaya aka haɓaka ƙirar keke?
Shekaru hudu bayan cinikin wutar lantarki, BMW ya yanke shawarar ɗaukar ƙarin matakai don inganta ƙirar. An ƙara simintin ƙarfe na simintin ƙarfe zuwa tubalin silinda na aluminum. Bugu da kari, an sake gina sandunan haɗin kai, pistons da tsarin sanyaya gaba ɗaya.
Hakanan an ƙara su da tsarin Double-VANOS, nau'in ɗaukar nau'ikan nau'ikan nau'ikan nau'ikan geometry na DISA da jikin magudanar lantarki. Valve lift ya kasance 9,0/9,0 mm, kuma ana kiran naúrar wutar lantarki da aka sabunta M52TUB20. A shekara ta 2000, an maye gurbinsa da samfurin daga jerin M54 - naúrar M2,2B54 tare da ƙarar lita 22.
Aiki da matsalolin da suka fi kowa
Matsalolin gama gari sune radiyo da zubar tankin faɗaɗa. Masu amfani da motocin da ke da M52B20 suma suna kokawa game da famfun ruwa na gaggawa da rashin daidaituwa, wanda yawanci ke haifar da bawul ɗin sarrafawa mara kyau. Hakanan akwai matsalolin murfin bawul da ɗigon mai, da kuma karyewar bawul ɗin taimako biyu.
Abin da za a nema lokacin zabar injin M52B20?
Shi ne ya kamata a lura da cewa M52B20 injuna ne fairly tsohon raka'a - na karshe ya wuce shekaru 20. Saboda wannan dalili, mai yiwuwa, kowannensu yana da babban nisa. Mahimmin batu a irin wannan lokacin shine cikakken cikakken bincike da gano abubuwan da suka fi lalacewa.
Abu mafi mahimmanci shine kyakkyawan yanayin tsarin tallafin injin. Wannan tsarin sanyaya ne tare da famfo na ruwa, radiator da tankin faɗaɗa. Waɗannan abubuwan haɗin gwiwa sune mafi sauƙin kamuwa da gazawa. Don haka, kafin siyan babur, kuna buƙatar bincika sabis ɗin su.
A gefe guda kuma, abubuwan ciki na ciki kamar bawuloli, sarkar, igiyoyi masu haɗawa, cranks da hatimi na iya aiki ba tare da matsala ba har ma da tuƙi fiye da kilomita 200. km. Ta hanyar ware wani kasafin kuɗi don gyare-gyaren farko da kuma kawo naúrar zuwa yanayin fasaha mafi kyau, injin BMW M52B20 zai biya ku tare da kyakkyawan aiki - duk da shekarunsa.
