DOWMLOAD COMPLETE WORKSHOP SERVICE REPAIR MANUAL FOR THE YEAR 1988-1991 BMW 520I
The 1988-1991 BMW 520i Workshop Service Repair Manual is an essential guide that provides in-depth instructions for the maintenance, repair, and troubleshooting of the BMW 520i (part of the E34 5 Series) from the model years 1988 to 1991. This manual is designed for both professional mechanics and DIY enthusiasts, providing all the information needed to keep the vehicle in top running condition. It covers everything from engine maintenance and electrical diagnostics to suspension repair and routine servicing.
The BMW 520i E34 is powered by a 2.0L inline-6 engine (M20 engine) and features a mix of mechanical and electrical systems that require careful attention to ensure the vehicle runs smoothly.
Key Features of the 1988-1991 BMW 520i Workshop Service Repair Manual:
Engine and Powertrain
Engine Maintenance: Includes detailed instructions for maintaining the M20 engine, such as valve adjustments, timing belt replacement, oil changes, and diagnostics for engine performance issues.
Fuel System: Instructions for maintaining the fuel system, including fuel injectors, fuel pump, fuel lines, and pressure regulators. It also includes troubleshooting tips for common issues such as poor fuel economy or rough idling.
Ignition System: Guides for diagnosing and repairing the ignition system, including components like the ignition coil, distributor, spark plugs, and wiring.
Cooling System: Complete instructions for servicing the radiator, water pump, thermostat, hoses, and cooling fans, including troubleshooting for overheating problems.
Transmission and Clutch
Manual Transmission: Step-by-step instructions for maintaining and repairing the 5-speed manual transmission, including clutch replacement, gear linkages, and fluid changes.
Automatic Transmission: If equipped with the automatic transmission, the manual provides detailed instructions for servicing the automatic gearbox, including fluid checks, filter replacement, and diagnosing shifting issues.
Drivetrain Components: Instructions on maintaining and diagnosing issues with the driveshaft, axles, and differential.
Suspension and Steering
Front Suspension: Detailed instructions for inspecting, servicing, and replacing components like shock absorbers, struts, control arms, ball joints, and bushings.
Rear Suspension: Servicing the rear suspension system, including replacing rear shocks, suspension arms, and bushings.
Steering System: Maintenance and repair instructions for the steering system, including power steering pump, steering rack, tie rods, and bushings. It also covers troubleshooting for steering wheel vibrations or heavy steering.
Braking System
Disc Brakes: Servicing the brake pads, rotors, calipers, and brake lines for the front and rear disc brakes. Includes instructions for brake fluid checks and bleeding.
ABS (if equipped): Diagnostic and troubleshooting procedures for the Anti-lock Braking System (ABS), including checking sensors and the ABS control unit.
Electrical System
Wiring Diagrams: Full wiring diagrams for the vehicle's electrical system, helping users understand the connections between various electrical components, such as lights, sensors, and control units.
Battery and Charging System: Instructions for testing and replacing the battery, alternator, and voltage regulator, as well as troubleshooting charging system issues.
Fuses and Relays: Information on locating and replacing fuses and relays that control critical electrical systems such as lights, wipers, and ignition.
Lighting and Electrical Components: Maintenance and troubleshooting for headlights, taillights, dashboard lights, and other electrical components, including the wiring harness.
Heating, Ventilation, and Air Conditioning (HVAC)
Air Conditioning System: Diagnostics and repair for the air conditioning system, including the compressor, condenser, evaporator, and refrigerant levels.
Heater and Blower Motor: Instructions for servicing the heater core, blower motor, and the controls that regulate air circulation and temperature.
Body and Interior
Body Repair: Guidance on fixing minor body damage, including dent removal, panel replacement, and rust prevention.
Doors and Windows: Instructions for servicing power windows, door mechanisms, and sunroof operation. It also covers troubleshooting for malfunctioning electric window regulators.
Interior Components: Repair and maintenance for the interior, including seats, trim, dashboard, and electrical components like the radio and airbag systems.
Routine Maintenance
Oil and Fluid Changes: How to perform regular oil changes, replace filters, and top up essential fluids such as transmission fluid, coolant, and brake fluid.
Tire and Wheel Maintenance: Tire pressure checks, wheel alignment, balancing, and rotating tires.
Spark Plug Replacement: Guidelines for inspecting and replacing spark plugs, ensuring the engine runs smoothly and efficiently.
Timing Belt and Chain: Step-by-step instructions for replacing the timing belt or chain, ensuring that the engine remains in proper timing.
Diagnostics and Troubleshooting
Engine Diagnostics: Provides diagnostic procedures for common engine issues, including misfires, stalling, rough idle, and power loss.
Electrical Troubleshooting: Detailed instructions for diagnosing electrical problems using a multimeter, including issues with the alternator, wiring, and sensors.
Common Faults: Addresses typical faults in the BMW 520i, such as starting issues, air conditioning malfunctions, power steering failures, and electrical gremlins.
FILE FORMATE - ENGLISH
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