BMW 3 E21 316 318i 320 323i owners manual page 66

text version of content this owner's manual page from owners manual to the vehicle BMW 3 E21, year of production 1975 - 1983:

l·_.- - .JIIQ 70 Minordefects Ifthestarterdoesnotoperatewhenthe Whentbw-startingthe car, selectthirdIf no sparksare seen, attachanotherplug ignitionkeyisturnedtoposition'3': gear,switchon the ignitionandkeeptheto the sameleadand repeatthe test.If clutchpedal down.Releasethe clutch sparksare stillnot produced,the fault Checkby switchingon .the headlights, then attemptingto operatethe starterpedalsmoothlywhenthecaris movingatshouldbe lookedforin the ignitiondistri- again. a steadypace. butor. ,. If the headlightsslowlygo dim,the2.If the lightsgo outsuddenly,examineBMW316,320 • batteryisflatorhasafault.Haveit the cableconnectionsat the battery4. Checkfuel supplyby detachingthe chargedorrenewed.Pushortowstart and starterfor signsof poorcontact,supplyline at the carburetorand tur- the car (manualgearbox)or connect and tightenfirmly. ningtheengineoverwiththestarter.If the flat batteryto the battery(,23. Ifthelightsremainatthesameintensi-nofuelemerges,checkbackalongthe Volts)in anothervehiclewithjumper ty, consultyourBMWservicestation fuellineandexaminethe, fuelpump.If leadsas describedin 'Startingwitha (thereis a faultin the starter). fueldoesemerge,unscrewand clean FlatBattery'. Iftheenginewillnotstartalthoughthe the carburetorjets. However,it is Note that automatictransmission betterto entrustthisworkto a BMW starteris operatingcorrectly: servicestationif possible. carscannotbepushortowstarted.For Assumingthat you have followedthe 11 BMW318i, 323i towingaway,see page60.Thereare correctstartingprocedureand thereis towingeyesattherightandleftofthe sufficientfuel in the tank,failureto start5.Checkfueldeliverywithignitionswit- fontaxlebeam. mustindicateafaultintheignitionsystemchedon and contactplugsdetached. or in the fuel supply. Pressureshouldbuildup in thesupply ,. Checkthatall plugleadsare correctlylineto thefueldistributorandcan be attachedto the sparkplugsand the detectedby squeezingthefuelline.It high-tensionleadstothecoil,distribu-shouldbecomenoticeablyharderto torandplugcapsareall makinggood compress. contact.Waterenteringthe engine Ifthisis notthecase, checkbacktothe compartmentwhen the car was fueldeliverypumpabovetherightrear washedcouldhave causeda short axle halfshaft,the mainfuelfilterand circuitin the ignitionsystem. the meshstrainerin the fuelsuction 2. Remove,cleanand dry offthe spark head at the fuel tank,or obtainthe plugsand checktheirelectrodegaps. assistanceof a BMWservicestation. 3. To checkthat each spark plug is Thefuelinjectioncircuitdoesnotneed operatingcorrectlyremoveit in turn to be bledifthetankrunsdry, as it is andwithoutdetachingtheleadlay the self-primingby wayofthefueldelivery plugon abaremetalarea oftheengine pumpwheneverthestarteris opera- block. ted. Whentheengineis turnedover withthestarter,sparksshouldbeseen jumpingtheelectrodegap.

owners manual BMW 3 E21

owners manual BMW 3 E21 - year of production: 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983 - BMW 3 E21 316 318i 320 323i owners manual EN