Honda Bmw 5 Service Manual
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Body-General SAFETY AND SECURITY FEATURES A number of new or improved safety and security features are incorporated in E39 cars. Safety cage 4 The body safety cage is a continuation of an established BMW concept for passenger protection. Tubular impact structures built into the body provide protection against pas- senger injury during front or rear impacts. Door locks and door handles 4 The door handles allow easy door opening, but are secure in accidents. Electrical components in the locks are fully encapsulated and cannot be picked easily. The door handles, latches and loclc assemblies offer reliability and security against theft. Door position and loclc condition are detected by hall sensors. Roof padding In addition to the side and head protection airbags, there is supplementary padding at the roof pillars and along the roof above the doors. This is positioned to present energy absorb- ing surlaces to passengers thrown around by side impact forces. Seat belts Each front seat belt assembly has a height-adjustable anchor at the 8-pillar. An automatic pyrotechnic (explosive charge) tensioner tight- ens the front belt at the buckle upon impact, snugging up lap and shoulder segments of the belt. The tensioners are de- signed to automatically tension the belts by about 2 inches (55 mm) in the event ofa collision. A force limiter puts an upper limit on the amount of iorce each belt can exert on the passenger.
400-8 Body-General Airbags Front airbags, s~de a~rbags, pyrotechnic seat belt tensioners and the Battery Safety Terminal (BST) are integrated into the Supplemental Restraint System (SRS) and its variants. NOTE- The BMW SRS system is called Multiple Restra~nt System (MRS). Over the years, E39 cars were equipped with MRS, MRS 11, MRS 111. Each version offers varied features and im- provements over the previous system. < As many as 8 airbags may be installed in E39 cars, depend- ing on model and MRS version. The front airbags operate without sodium azide propellant, widely considered an irritant when an airbag is deployed. Starting with 1999 models. smartfront passenger and driver airbags were installed. These are of the dual-threshold, dual stage design, including a sensorto help prevent the unneces- sary deployment of the passenger side airbag if the seat is un- occupied. MRS control Depend~ng on options chosen, one airbag may be installed in module each door of the sedan and Sport Wagon models, protecting passengers against s~de impacts. Head Protection System (ITS) airbags strelch diagonally across the tops of the front doors. Airbag deployment automatically triggers fuel shutoff, turns on the hazard and interior lights, and unlocks the doors. - - WARNING - Airbags are inflated by an explosive device. Handled im- properly or without adequate safeguards, airbag units can be very dangerous. Special precautions must be observed prior to any worlc at or near any of the airbags. See 721 Air- bag System (SRS). Always disconnect the battery and cover the negative (-) battery terminal with an insulator before starting di- agnostic, troubleshooting or service work on cars fitted with SRS, and before doing any welding on the car.
400-9 Body-General Battery safety terminal (BST) 4 Starting with 1999 models (9198 production and later), a py- rotechnic (explosive charge) device automatically discon- nects the battery positive terminal during impacts. Key features, like power windows and door locks, remain opera- tional. Security Electronic immobilization (EWS) Ignition key transponder signal All E39 vehicles incorporate an electronic immobilization sys- tem known as EWS. This svstem uses a wireless comrnuni- cation link between a transponder chip in the ignition key and the ring antenna surrounding the ignition switch. The EWS control module blocks the starting of the vehicle unless the correct coded ignition key is used. NOTE- Electronic immobilization is sometimes referred to as the driveaway protection system. Antitheft alarm (DWA) This is adealer-installed option for which the E39 vehicles are factory-wired. When armed, the system monitors door loci( contacts and trunk and engine hood locks and sounds a siren if it detects tampering. E39 interiors have a unique character, with a combination of sporty features and innovativedesign. All body versions were made in a wide choice of interior and exterior colors. New col- ors with matching leather or leatherette upholstery were intro- duced for each model year. Driving comfort is enhanced by power steering, tilt steering wheel, height-adjustable front seats, and electrically adjust- able and heated rear-view mirrors. Inside the car there are reading lights at four seating positions.
400-1 0 Body-General Seats 4 Anatomically correct seats are constructed from polyure- 10 way seat adjustment thane foam containing areas or zones of different firmness. They offer good lateral support without constricting the occu- pant. The seats have a passive internal ventilation system: Cylin- drical cavities within the cushions and backrests generate a pumping effect as the ride motions cause occupant motion. This helps remove moisture and feeds fresh air into the seats. Other features of the seating system: The seat bases have steel springs for added support and strength. The seat control switches are along the outside edge of the seat. Heated seats are an option in all models In cars equipped with seat position memory, three different seat confiaurations can be memorized by the seat control module(s): Seat memory coordinates with outside mirror memory. These functions are controlled by the seat mem- ory module(s). * For security reasons, the release lever to fold the rear seat backrest forward is installed in the trunk. Sport Wagon models: Rear seat baclts are split 60140, with the center armrest on the left seat back. The center armrest incorporates a non adjustable head- rest. When folded down, the armrest opens out with cup- holders and a storage compartment. See 520 Seats for more details. instruments and controls Everything in the interior passengercompartment essential to the driver is logically grouped and easy to reach. All instru- ments and controls have been arranged ergonomically and are fully integrated into the overall design of the vehicle. Tilt-telescopic steering wheel has 30 mm (1.2 in) of vertical and longitudinal adjustment. Multifunction steering wheel contains two ltey pads con- taining controls for the sound system, telephone and cruise control. Padded dashboard houses the instrument cluster and the ventilation and heating system.
Instrument cluster Instrument cluster uses large easy-to-read analog instru- ments and is removable as a unit without removing the dash- board. On-board computer and Check Control functions are integrated into the instrument cluster displays. Service Interval Display Service Interval Display calculates vehicle service needs based on current driving patterns, and indicates to the driver when the car requires service On-board navigation An integrated on-board navigation system, based on Global Positioning System (GPS) technology, is optionally available on E39 cars. When installed, a multifunction monitor is includ- ed in the center of the dash above the radio. in addition to dis- playing navigation system information, this monitor accesses On-Board Computerfunctions, audiosystem controls, mobile phone dialling and memory, and automatic ventilation. Park Distance Control (PDC) Park Distance Control (PDC) is an optional system which uses ultrasonic sensors in the rear bumper trim to warn the driver of approaching too close to obstacles when parlting. Central body electronics E39 vehicles are equipped with an integrated complex of electronic modules connected mostly via K-Bus. This system, called central body electronics (ZKE Ill), is primarily con- trolled by the general module (GM Ill). An overview of ZKE Ill functions is found in 600 Electrical System-General. Details of ZKE Ill functioning is in the following repair groups: - 512 Door Windows * 515 Central Locking and Aniti-Theft 520 Seats a 540 Sunroof 611 Wipers and Washers 620 Instruments
400-12 I Body-General HEATING AND AIR ~ONDITIONING (I H KA) 4 The integrated heating and air conditioning (IHKA) system uses an extra large, infinitely variable radial blower motor for good distribution of air. Fresh air enters through the grille be. low the engine hood and into the passenger compartment via the dashboard and footwell vents. - Repair information for the heating and air conditioning system is covered in 640 Heating and Air Conditioning.
1 410 Fenders. Engine Hood General ........................... .41 0.2 Engine Hood ...................... 410-6 Special tools ........................ .41 0.2 Hood, raising to service position ......... 410-6 ........... Hood. removing and installing 41 0-7 Front Fenders ..................... .41 0.2 Hood. aligning ....................... 41 0-8 Front fender. removing and installing ..... .41 0.2 Hood latch components ............... 41 0-10 Hood release cable and spring pins, adjusting ................. 410-1 1
[Fenders, Engine Hood This repair group covers replacement of the front fenders and removal and installation of the engine hood. NOJE- The body is painted at the factory affer assembly Realign- ment of body panels may expose unpainted metal. Paint all exposed metal once the work is complete. Special tools Most body repairs can be performed using regular automotive service tools. Some BMW special tools are required to set body pieces into the service positions. Front fender, removing and installing - Raise front of vehicle and remove wheel WARNING- Make sure that the car is firmly supported on jack stands de- signed for the purpose. Placejaclr stands beneath structural chassis points. Do not place jack stands under suspension parts. - Raise hood to service position. See Hood, raising to ser- vice position. 4 Working beneath vehicle, remove fasteners (arrows) from left side floor panel and remove panel. - Remove inner plastic liner from wheel housing.
41 0-3 Fenders, Engine ~oodl Carefully pry front turn signal assembly from fender and dis- connect electrical harness (arrow). < Release headlight trim panel locking clip with a screwdrivel (arrow). * Working at corner of side trim panel, pull trim panel out from side of fender to remove. - Remove front bumper. See 510 Exterior Trim, Bumpers. Working at rear of teners (arrows). fender well, , remove fender mounting fas- < Remove lower housing. attaching bolts (arrow) at rear of wheel
41 0-4 Fenders, Engine Hood Working from below, remove front wheel arch fastener (ar- row). With door open remove fastener fender to door post. (arrow) attaching upper Remove screw (arrow) at front of fender. Remove ground strap nut and hood hinge bolts (arrows) CAUTION- Secure hood in such a way that the windshield and body pan- els wiN not be damaged.