Injin BMW N46B18
The ƙarami version na N46 powertrain line - N46B18, da aka halitta a kan tushen da N46B20 da aka samar tun 2004, kuma kawai ga BMW E46 316 motoci. A tsakiyar 2006, dangane da gabatarwar BMW E90, duk. E46 model an cire gaba daya daga taron line, da kuma wannan engine ba shi da lokaci don samun taro rarraba.
N46B18 da farko an yi niyya ne don maye gurbin wanda ya gabace shi - N42B18, kuma ya karɓi gyare-gyaren crankshaft, gyare-gyaren ma'aunin ma'auni da sanduna masu haɗawa, da mabanbantan mabanbanta: murfin kan silinda da sarƙar sarka na lokaci. N46B18 yana da (sababbin): nau'ikan kayan abinci, madaidaici da matosai.
Ba kamar ma'auni na N46 ba, bambancin 1.8-lita yana da: crankshaft wanda ya karbi gajeren bugun jini (81 mm); pistons karkashin matsawa rabo 10.2; mai tarawa na al'ada - ba tare da DISA ba. An haɗa Valvetronic a cikin tsarin Bosch ME 9.2.
Kamfanin wutar lantarki na N46B18, kamar nau'insa na lita 2, yana da nau'ikan nau'ikan nau'ikan da aka kirkira kusan akan tushe guda.
A shekarar 2011, N46B18, duk da haka, da kuma sauran in-line fetur "hudu" BMW, an maye gurbinsu da wani sabon turbocharged N13B16 engine, wanda aka samar a daban-daban gyare-gyare har zuwa yanzu.
Bayanan Bayani na BMW N46B18
| Volara, cm3 | 1796 |
|---|---|
| Max iko, hp | 116 |
| Matsakaicin karfin juyi, Nm (kgm)/rpm | 175 (18) / 3750 |
| Amfani, l / 100 km | 7.8 |
| Rubuta | Layin layi, 4-cylinder, injector |
| Silinda diamita, mm | 84 |
| Max iko, hp (kW)/r/min | 116 (85) / 5500 |
| Matsakaicin matsawa | 10.2 |
| Bugun jini, mm | 81 |
| Ayyuka | 316 da E46 |
| Albarkatu, waje. km | 250 + |
Amincewa da rashin amfanin N46B18
Плюсы
- Amfani da yawa
- Cire camshaft
- Yiwuwar Musanya
Fursunoni:
- Ƙara yawan amfani da mai
- Hayaniyar inji, girgiza
- Matsaloli tare da Valvetronic, famfo mai, CVCG da injin famfo
Babban dalilin bayyanar mai konewa a cikin N46B18, kamar a cikin injin na 42, shine amfani da man inji mai ƙarancin inganci. Har ila yau, matsalar na iya kasancewa a cikin gazawar hatimin bawul.
Wannan yakan faru ne bayan gudu na kilomita 50-100. Mai masana'anta bai ba da shawarar ba yana haifar da ƙarin matsaloli. Alal misali, tare da wannan Valvetronic, famfo mai, crankcase samun iska bawul da sauransu. A wannan yanayin, adanawa akan kulawa ba shakka ba shi da daraja.
Har ila yau, bayan gudu na kilomita dubu 50, da gasket na Silinda da injin famfo za a nemi maye gurbinsu.
Abubuwan da ke haifar da girgizawa da hayaniyar injin da ba ta dace ba yawanci suna kwance ko dai a cikin sarkar sarkar lokaci ko kuma a cikin sarka mai shimfiɗa. Bayan gudun kilomita 100-150, irin waɗannan matsalolin ba su da wani sabon abu.
Don rage yiwuwar matsaloli tare da injin, yana da kyau a canza man fetur a kan lokaci, ko ma sau da yawa, wanda dole ne ya kasance na asali kuma mai ƙira ya ba da shawarar. Bugu da ƙari, yana da mahimmanci a zuba mai mai kyau da kuma kula da shi a cikin lokaci.
Yiwuwar daidaitawa
Hakanan, kamar sauran ƙananan ƙaura 4-cylinder ICEs, N46B18 yana da kyau don musanyawa, amma bai dace da daidaitawa ba kuma kawai isasshiyar hanyar ƙara ƙarfi a yanayin ta shine kunna guntu. Mai yuwuwa, za a shigar da matatar da ba za ta iya juriya ba a cikin ɗakin studio ɗin kunnawa, wanda za a kai shi zuwa gabobin gaba, za a yanke mai kara kuzari kuma tsarin zai sake haskakawa gaba ɗaya. Duk wannan zai ƙara zuwa ƙarfin kuzari kuma ya sami +10 hp. Don ƙarin wani abu, dole ne ka sanya injin akan 6 cylinders.
