CIKAKKEN INJI: Injin BMW N42B20

Injin N42B20 mai 4-Silinda ya maye gurbin wanda ya daina aikiM43B18,M43B19kumaM44B19a shekara ta 2001. A maimakon babban tubalin simintin ƙarfe na simintin ƙarfe, an yi amfani da aluminum mai haske tare da simintin ƙarfe a cikin sabon injin.

Tuntube mu

samfurin bayani

GABATARWA KYAUTATA

Injin N42B20 mai 4-Silinda ya maye gurbin M43B18, M43B19 da M44B19 a cikin 2001. Maimakon babban tubalin simintin silinda mai nauyi, an yi amfani da aluminum mai haske tare da simintin ƙarfe a cikin sabon injin.

Injin N42B20 yana amfani da sabon crankshaft mai tsayi mai tsayi ( bugun mm 90) da kuma sabbin pistons da sandunan haɗi. Ma'auni ma'auni sun kasance iri ɗaya kamar na M43TU kuma sun dace da sabon toshe.

Maimakon shugaban silinda na SOHC 8V na baya, an yi amfani da sabon twin-shaft 16-valve tare da toshe lokaci. Bugu da kari, sabon shugaban Silinda yana sanye take da tsarin lokaci mai canza bawul akan duka biyu-VANOS shafts, da kuma tsarin ɗagawa na Valvetronic. A diamita na ci bawuloli ne 32 mm, shaye 29 mm. Halayen daidaitattun camshafts BMW N42: lokaci 250/258, tashi zuwa 9.7/9.7.

Nau'in cin abinci na N42B20 yana sanye da tsarin tsayin tsayin canji na DISA, wanda ke haɓaka aiki sosai a duka ƙananan gudu da sauri. Bosch ME 9.2 tsarin sarrafa injin.

An yi amfani da wannan motar akan motocin BMW mai alamar 18i.

Ƙayyadaddun bayanai

Shekarun samarwa	2001-2004
Matsala, cc	1995
Tsarin mai	allura
Wutar lantarki, hp	143/6000 rpm
Fitowar karfin wuta, Nm	200/3750 rpm
Silinda toshe	aluminum R4
Block kai	aluminum 16v
Silinda guntun, mm	84
Piston bugun jini, mm	90
rabon matsawa	10.0
Siffofin	Valvetronic
Hydraulic lifters	iya
Tukin lokaci	sarkar
Mai sarrafa lokaci	biyu VANOS
Turbocharging	a'a
Nasihar man inji	5W-30
Ingin man fetur, lita	4.25
Nau'in mai	fetur
Matsayin Yuro	EURO 3
Amfanin mai, L/100km (na BMW 318i 2002) - birni - babbar hanya - hade	10.0 5.5 7.2
Rayuwar injin, km	~ 275000
Nauyi, kg	120