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1、BMW ServiceAftersales Training-Participant s Workbook.E82 Body/Complete Vehicle.The information contained in this Workbook is intended solely for the participant of this seminarrun by BMW Aftersales Training.Refer to the latest relevant BMW Service information for any changes/supplements to theTechn2、ical Data.Information status:June 2007Contact:conceptinfobmw.de 2007 BMW AGMnchen,GermanyReprints of this publication or its parts require the written approval ofBMW AG,MnchenVS-12 Aftersales TrainingParticipant s Workbook.E82 Body/Complete Vehicle.Notes on this WorkbookSymbols usedThe following sym3、bols are used in this Workbook to facilitate bettercomprehension and to draw attention to important information:3contains information to facilitate better understanding of thedescribed systems and their function.1 identifies the end of a note.Information status and national variantsBMW vehicles conf4、orm to the highest safety and quality standards.Changes in terms of environmental protection,customer benefits anddesign render necessary continuous development of systems andcomponents.Such developments can result in differences between thisWorkbook and the vehicles used for demonstration purposes 5、in thetraining course.This document describes only left-hand drive,EU variant vehicles.Invehicles with right-hand drive,the arrangement of some controls orcomponents may differ from the illustrations in this Workbook.Furtherdifferences may arise as the result of the equipment variants used inspecifi6、c markets or countries.Additional sources of informationFurther information on the individual subjects can be found in thefollowing:-Product Information-Owner s Handbook-BMW diagnosis system-Workshop systems documentation-BMW Service technology.Contents.E82 Body/CompleteVehicle.Training1Introduction7、1Technical comparison E82-E873Bodyshell6Bumpers11Door and side panels1219Training.E82 Body/Complete Vehicle.IntroductionTheE82isbeinglaunchedinAutumn2007.A123d four-cylinder diesel will be available inaddition to the 120d.The petrol modelsavailable are the 125i,128i and 135i.In comparison to the E878、,the E82 is longerand wider.1-E822-Garage dimensions29E82(120d)E87(120d)Length4,360 mm4,239 mmWidth1,748 mm1,748 mmHeight1,423 mm1,421 mmUnladen weight(DIN/EU)1,375 kg/1,450 kg)1,380 kg/1,455 kgPermissible gross weight1,815 kg1,880 kgPayload440 kg500 kg3-Interior dimensionsAssignment1:Name the diffe9、rences between the E87 and E82 in terms ofdimensions and weights.39Technical comparison E82-E87DriveThe engines have already been used in theE87 or E92 and E81(N54,l N47,N52).The N47D20 TO is being introduced in theE82at thesame timeas theE81.This123d iscurrently not available in the E87.Chassis/dyn10、amic driving systemsAs another member of the BMW 1 Series,theE82 has many features in common with theE87 as far as the chassis and dynamic drivingsystems are concerned.The innovationsfeatured on the E82 and the differences incomparison to the E87 are briefly describedhere.Chassis and running gearThe11、 front and rear axles of the E82 are for themost part identical to those of the E87.Therear axle of the E82 is fitted with modifiedwheel hubs.As a result,the rear track width of the E82 hasbeen widened by 20 mm in comparison to theE87.The exposed wheel housings combinewith the wider track width at t12、he rear toemphasize this vehicle s rear-wheel drive.The springs and dampers have beenspecifically adapted to the E82 in terms ofengine and car weight.They differ,therefore,from those in the E87.In the interests of weight,the front axle of theE82 is fitted with a tube-type anti-roll bar.Sports suspen13、sion tuning is available as anoption.Tyreswithoptimizedrollingresistancefeatureamong the range of measures designed toreduce CO2 emissions.E82 vehicles for theEuropeanmarketwillbefittedwiththesetyresas standard.The following steering systems are fitted inE82 vehicles:Electromechanical power steering14、(EPS-APA,previously fitted,for example,in theE92):fitted as the standard steering in allE82 vehicles delivered in ACEA markets(exception:135i).Conventional rack-and-pinion steering withhydraulic pump(vane cell pump):this is thestandard steering for vehicles outsideACEA markets and for the 135i.Activ15、e Steering with hydraulic pump andECO valve:available as an option for allengines used in the E82.Active Steering inthe E82 features the following optimization4-Wheel hub on the rear axle,difference between E82 and E87.IndexExplanation1Drive shaft2Wheel bearing3E87 wheel hub4Widening of track width(16、+10 mmeach side)5E82 wheel hub49measures carried over from the E70 or E6xLCI:modified planetary gearing,newcontrol unit,absence of the cumulativesteering-angle sensor on the rack.3The new procedure for initializing theActive Steering(as in the E70)now alsoapplies to the E82.(reason:absence of thecum17、ulative steering-angle sensor)1In the US variant of the E82,there will be noelectricalsteeringlock(ELV).Thisappliesbothtovehicleswithautomatictransmissionandtovehicleswithmanualtransmission.TheELVisretained for Europe variants of the vehicle.Dynamic driving systemsTheDynamicStabilityControl(DSC)hasb18、eennewly tuned for the E82.DSC in the E82 has undergone the followingmodifications.These only apply to the 6-cylinder models and 4-cylinder vehicles withActive Steering.DSC sensor:two separate units,one withand one without a longitudinal accelerationsensor DSC control unit and hydraulic control unit19、modified Extended diagnostic capabilities thanks tomore precise fault code memory entries.As a special case,it should be noted that,invehicles with Active Steering,operation ofthe DSC sensor is monitored by both theDSC control unit and the Active Steeringcontrol unit.Special features of top model 1320、5iThe top model of the E82,the 135i,has thefollowing special features as far as the chassisand dynamic driving systems are concerned:The135ihassportssuspensionsettingsasstandard.The 135i has a set of new 18 mixed tyres.These tyres provide superb grip on dry aswell as wet road surfaces.This results i21、noutstanding handling characteristics thatunderline the sporty nature of this model.The high-performance brake system of the135i has 17 brake discs.Aluminium,fixed-type callipers are used on the 135i insteadofthecast-iron,floating-typecallipersfittedin other models.The 135i has a new DSC function to22、improve traction:brake intervention at thedrive wheels has the effect of improving,inparticular,dynamic acceleration out ofbends,even with DSC switched off.59Electrical systemTheelectrical/electronicssystemoftheE82isidentical to that of the E87 LCI or E81.Thesystems used are identical in function an23、dhave been adopted from all previous models.The wiring harnesses have been modified tosuit the body of the Coup.BodyThe difference between the E87 and E82 is inthe area of the side frame.The doors and theroof are also different.Similarly,there aredifferences in the tailgate and luggagecompartment.Th24、ere are also noticeabledifferences in the floor assembly and in theinterior.The front and rear bumpers have also beenadapted.Assignment 1:Briefly explain the main technical differences between E82 and E87vehicles.69BodyshellThe E82 features an intelligent mix of parts.The front end is completely ide25、ntical to that ofthe E87.The doors were adopted from the E81.The rear end is somewhat longer than that ofthe E87.The main differences are to be found in theside frame.All steel grades in this vehicle were featured inthe E87.From the very beginning,the aim hasbeen to achieve the 5-star Euro NCAP rati26、ng.The E82 body therefore offers a high level ofpassive safety.795-BodyshellIndexExplanationIndexExplanation1HC180BD,HC180YD,HX180BD6H400T,HC400TD,HC420LAD2DC01,DC04,DX54D,DX56D7HC600C,HD680C3HC220BD,HC220YD,HX220BD8Plastics4HC300BD,HC306LAD,HC300XD 9Other metal materials5HC380LAD896-BodyshellIndexE27、xplanationIndexExplanation1HC180BD,HC180YD,HX180BD6H400T,HC400TD,HC420LAD2DC01,DC04,DX54D,DX56D7HC600C,HD680C3HC220BD,HC220YD,HX220BD8Plastics4HC300BD,HC306LAD,HC300XD 9Other metal materials5HC380LAD997-BodyshellIndexExplanationIndexExplanation1HC180BD,HC180YD,HX180BD6H400T,HC400TD,HC420LAD2DC01,DC028、4,DX54D,DX56D7HC600C,HD680C3HC220BD,HC220YD,HX220BD8Plastics4HC300BD,HC306LAD,HC300XD 9Other metal materials5HC380LAD1098-Strut/sill conceptIndexExplanation1Tension struts9-Layout of componentsIndexExplanationIndexExplanation1TCU3CD changer2BatteryAssignment 1:Explain the intelligent parts mix of th29、e E82.119BumpersIn contrast to the E87,the E82 has newbumper trims of different appearance.Energy is dissipated through carriers withdeforming elements.Fulfilment of IIHS low-speed crash at 10km/h,frontal Fulfilment of IIHS low-speed crash at 5km/h,side,and an overlap of 15%vehiclewidth.Only the 13530、i has a trim weight on the rearbumper.This contributes to an improvementin axle-load distribution.1.What is different here in comparison with the E87?Assignment 1:Remove the front and rear bumpers.129Door and side panelsThe door panel is newly designed with anintegrated map pocket and a new dooropen31、ing handle.Assignment 1:Remove the door trim panels and disassemble the doors byremoving the power windows and locks.Position the windscreens correctly after mounting the doors.Dieser Text muss hier stehen,damit die Seite vom API-Client nicht gelscht wird.Dieser Text ist notwendig,damit die Seite nicht quergestellt wird.!Bayerische Motorenwerke AktiengesellschaftBMW Group TrainingsakademieAftersales TrainingRntgenstrae 785716 UnterschleiheimGermany: