YAKWANA : Injini BMW N42B20
PRODUCT NHUNGAMIDZO
Iyo 4-cylinder N42B20 injini yakatsiva iyo isingachashandi M43B18, M43B19 uye M44B19 muna 2001. Panzvimbo peinorema cast-iron cylinder block, chiedza chealuminium chine simbi yakakandwa yakashandiswa mujini itsva.
Injini yeN42B20 inoshandisa itsva refu-stroke crankshaft (90 mm sitiroko) pamwe nemapistoni matsva uye tsvimbo dzinobatanidza. Iyo chiyero shafts inoramba yakafanana neiyo paM43TU uye yakaiswa kune iyo nyowani block.
Panzvimbo peiyo yapfuura SOHC 8V cylinder musoro, nyowani mapatya-shaft 16-vharuvhu ine nguva yekuvhara yakashandiswa. Mukuwedzera, iyo itsva cylinder musoro yakashongedzerwa ine inoshanduka valve timing system pane ese maviri Double-VANOS shafts, pamwe neValvetronic intake valve lift system. Iyo dhayamita yemavharuvhu ekutora ndeye 32 mm, inopedza 29 mm. Hunhu hweyakajairwa BMW N42 camshafts: chikamu 250/258, simuka kusvika 9.7 / 9.7.
Iyo yakawanda yekudyara yeN42B20 inoshongedzerwa neDISA kusiyanisa kureba sisitimu, iyo inogonesa zvakanyanya kuita pane zvese zvakaderera uye zvakanyanya kumhanya. Bosch ME 9.2 injini manejimendi system.
Motokari iyi yakashandiswa pamotokari dzeBMW dzine 18i index.
Zvinotsanangurwa
Makore ekugadzira | 2001-2004 |
Kudzingwa, cc | 1995 |
Fuel system | jekiseni |
Simba rinobuda, hp | 143/6000 rpm |
Torque kubuda, Nm | 200/3750 rpm |
Cylinder block | aluminium R4 |
Bvisa musoro | aluminium 16v |
Cylinder bore, mm | 84 |
Piston sitiroko, mm | 90 |
Compression ratio | 10.0 |
Features | Valvetronic |
Hydraulic lifters | Ehe |
Nguva yekufambisa | chain |
Phase regulator | kaviri VANS |
Turbocharging | Aihwa |
Yakakurudzirwa injini mafuta | 5W-30 |
Injini yemafuta inokwana, litita | 4.25 |
Mafuta emhando | peturu |
Euro zviyero | EURO 3 |
Kushandiswa kwemafuta, L/100 km (yeBMW 318i 2002) | 10.0 |
Upenyu hweinjini, km | ~275 000 |
Huremu, kg | 120 |
Zvakaipa zveN42B20 injini
Mazhinji ematambudziko evaridzi anokonzerwa nekutadza muValvetronic uye Vanos masisitimu;
Iyo ketani yenguva uye tensioner yayo inowanzoda kutsiva yatove pahupamhi hwe100 - 150 zviuru zvemakiromita;
Injini inopisa kwazvo, iyo inobata zvikuru hupenyu hwevhavha stem seals;
Oiri isiri-yekutanga haigone kumira tembiricha idzi uye injini ichabata;
Kana uchitsiva makenduru, coils inodhura yekubatidza kazhinji inokundikana pano.