N54 engine - abin da ya kamata ka sani game da naúrar daga BMW?

BMW ya ƙirƙiri injin N54 tare da ƙananan turbochargers guda biyu, cikakken sabon abu a cikin kyautar da masana'anta ke bayarwa. Motar ta sami sake dubawa mai kyau, amma matsaloli da yawa sun tashi yayin aiki. Me yasa? Za ku sami mahimman bayanai game da N54 a cikin labarinmu!

Halayen injin N54 

Babbar ƙira ita ce ƙirar ta haɗa da ƙananan ƙananan turbochargers guda biyu don rage girman turbo.

1. Matsakaicin haɓakawa ya kai mashaya 0,55, kuma injin sanyaya iska zuwa iska shima yana cikin aikin naúrar. Ana kiran wannan fasaha da TwinPower Turbo.
2. Masu zanen kaya kuma sun yanke shawarar bude murfin naúrar wutar lantarki, da kuma shigar da famfon ruwa na lantarki.
3. Tushen injin an yi shi da aluminum.
4. BMW kuma ya gabatar da tsarin Valvetronic tare da ɗagawa mai canzawa.

Tsarin allurar mai kai tsaye da aka yi amfani da shi a cikin N54 - High Precision Injection - ya haɗa da allurar piezo.

Kwatankwacin sigar raka'o'in da suka gabata

Dangane da injin N54, akwai kamanceceniya da yawa tare da bambancin N53. Wannan shi ne saboda tsarin samar da layi daya. Muna magana ne game da yin amfani da allurar mai kai tsaye, da kuma tsarin VANOS dual tare da lokaci mai canzawa. Godiya ga waɗannan mafita na ƙira, N54 ya samar da ƙarin 45 hp. da Nm 108 idan aka kwatanta da N52. 

BMW N54 engine - fasaha bayanai

An yi injin turbocharged a cikin tsari mai sauƙi tare da tsarin lokaci mai canzawa na DOHC tare da bawuloli huɗu a kowane silinda. bugun jini 89,6 mm, Silinda kwandon 84 mm. Matsakaicin matsawa shine 10.2, kuma jimlar girma shine 2979 cc. 

Injin man fetur yana sanye da kayan sarrafa lantarki na Siemens MSD80, Mitsubishi TD03-10TK3 biturbo. Man da aka ba da shawarar shine 5W-30 kuma ƙarfin tanki shine lita 6.5. 

Bambance-bambancen guda uku na toshe N54B30

Akwai zaɓuɓɓukan injin guda uku N54B30 tare da 306 hp, 326 hp. da 340 hp ku 5rpm. a cikin lokuta biyu na farko da 800 rpm. a na uku, yayin da karfin juzu'i ya kasance 5 Nm, 900 Nm da 400 Nm bi da bi. An shigar da nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan mota kamar:

• N54B30 306 km tare da: E60 535i (2007-2010), E90, E91, E92, E93, 335i (2007-2010), E82, E88 135i (2007-2010), X6 xDrive35i (2008D) )) -2010);
• N54B30 326 HP cikin: F01 740i (2008-2012);
• N54B30 340 km tare da: E82 1 Series M Coupe i E89 Z4 sDrive35is.

Aikin injin N54 - matsalolin da suka fi yawa

Ana ɗaukar naúrar a matsayin gaggawar gaggawa. Mafi yawan gazawar injin N54 suna da alaƙa da tsarin sanyaya, tsarin mai, turbocharger, da ɗigon mai. Waɗannan gazawa ne waɗanda galibi suna bayyana, don haka yakamata ku duba su da kyau.

Rashin tsarin na'urar sanyaya da kuma fitar da mai da ba a sarrafa shi ba

Matsalolin da ke da alaƙa da tsarin sanyaya suna tasowa a nisan mil na kusan kilomita 60. km zuwa dubu 100 km. Laifi suna da alaƙa da tankin faɗaɗa da layukan sanyaya. Suna da saurin fashewa, wanda ke haifar da zubewa akai-akai. Akwai kuma gazawar fanka mai sanyaya wutar lantarki.

Dalili na iya zama lalacet ɗin murfin bawul, mahalli mai tacewa ko kwanon mai. Mafi matsala sune tsofaffin nau'ikan injuna masu tsayi mai tsayi. A wannan yanayin, ana bada shawara don maye gurbin duk gidan tacewa da man fetur - mafita mafi mahimmanci fiye da maye gurbin tsofaffin hatimi tare da sababbin.

Matsaloli tare da tsarin man fetur da turbocharger

Suna bayyana mafi sau da yawa a cikin raka'a kafin haɓakar haɓakar famfon mai daɗaɗɗa mai ƙarfi - fam ɗin mai mai ƙarfi, wannan rukunin ya bambanta da babban gazawar. A cikin sababbin sigogin, yana raguwa kaɗan sau da yawa. Tsarin LPFP EKP, wanda ke cinye wutar lantarki mai yawa, shima yana da tsadar aiki.

A cikin yanayin injin turbine, haɓakar halayen halayen babban matsala ne, wanda ke haifar da ƙarin amo. Sinadarin ya lalace ta hanyar halitta bayan kimanin kilomita 150. km. Hakanan bututun bututun yana da lahani kuma yana iya fashewa - wannan yana haifar da zubewa.

Kamar yadda kuke gani, injin N54 naúrar ce da za a iya la'akari da ita mai matsala. Dole ne ku yanke shawara da kanku ko yana da daraja neman irin wannan motar don motar ku.