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BMW 3- & 5-Series
Service and Repair Manual
A K Legg LAE MIMI and Larry Warren
(1948-256-11AA3)
Models covered
3-Series (E30)
316 (83 to 88), 316i (88 to 91), 318i (83 to 91), 320i (87 to 91), 325i (87 to 91).
Also Touring and Convertible versions of these models
5-Series (E28)
518 (81 to 85), 518i (85 to 88), 525i (81 to 88), 528i (81 to 88), 535i (85 to 88), M535i (85 to 88)
5-Series (E34)
518i (90 to 91), 520i (88 to 91), 525i (88 to 91), 530i (88 to 91), 535i (88 to 91)
Engines covered
159
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Contents LIVING WITH YOUR BMW Introduction Page 0•4 Safety First! Page 0•6 Anti-theft audio system Page 0•7 Instrument panel language display Page 0•7 Roadside Repairs Jacking, towing and wheel changing Page 0•8 Jump starting Page 0•9 Identifying leaks Page 0•10 ROUTINE MAINTENANCE Routine Maintenance and Servicing Page 1•1 Lubricants and fluids Page 1•3 Maintenance schedule Page 1•4 Weekly checks Page 1•7 Every 6000 miles Page 1•11 Every 12 000 miles Page 1•16 Every 24 000 miles Page 1•23 Every
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Contents REPAIRS & OVERHAUL Engine and Associated Systems In-car engine repair procedures Page 2A•1 General engine overhaul procedures Page 2B•1 Cooling, heating and air conditioning systems Page 3•1 Fuel and exhaust systems Page 4•1 Engine electrical systems Page 5•1 Engine management and emission control systems Page 6•1 Transmission Manual transmission Page 7A•1 Automatic transmission Page 7B•1 Clutch and driveline Page 8•1 Brakes Braking system Page 9•1 Suspension Suspension and steering
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0•4 Introduction Introduction to the BMW 3- and 5-Series The E30 3-Series range first became equipped with inner and outer constant Acknowledgements available in the UK in March 1983, and velocity joints. Thanks are due to Champion Spark Plug, continued in production until April 1991, when The front suspension is of MacPherson who supplied the illustrations showing spark the revised E36 3-Series range (not covered strut type, with the coil spring/shock absorber plug conditions. Thanks are also d
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Introduction 0•5 BMW 325i Touring (E30) BMW 325i Convertible (E30) BMW 518i (E28) BMW 535i (E34)
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Safety First! 0•6 Working on your car can be dangerous. • Mains voltage is also dangerous. Make Special hazards This page shows just some of the potential sure that any mains-operated equipment is risks and hazards, with the aim of creating a correctly earthed. Mains power points should Hydrofluoric acid safety-conscious attitude. be protected by a residual current device • This extremely corrosive acid is formed (RCD) circuit breaker. when certain types of synthetic rubber, found General hazard
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Anti-theft audio system 0•7 Anti-theft audio system with the vehicle for more complete start the sequence over again. Note: You General information information on this audio system and its anti- have three attempts to enter the correct Some models are equipped with an audio code. If the correct code isn’t entered in theft feature. system having an anti-theft feature that will three tries, you’ll have to wait one hour, with render the stereo inoperative if stolen. If the the radio on, before you
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Roadside Repairs 0•8 Jacking, towing and wheel changing pocket made for this purpose (just behind the wheels on the ground providing that the Jacking and wheel front wheel, or forward of the rear wheel). speed does not exceed 35 mph and the changing Engage the wheel brace handle and turn it distance is not over 50 miles, otherwise transmission damage can result. For clockwise until the wheel is raised off the The jack supplied with the vehicle should preference, regardless of transmission type,
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Roadside Repairs 0•9 Jump starting will get you out Jump starting of trouble, but you must correct whatever made the battery go When jump-starting a car using a 4 Make sure that the booster battery is flat in the first place. There are booster battery, observe the following the same voltage as the discharged three possibilities: precautions: one in the vehicle. The battery has been drained by 4 If the battery is being jump-started 1 repeated attempts to start, or by 4 Before connecting the boos
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0•10 Roadside Repairs Identifying leaks Puddles on the garage floor or drive, or Warning: Most automotive oils The smell of a fluid leaking obvious wetness under the bonnet or and fluids are poisonous. Wash from the car may provide a underneath the car, suggest a leak that needs them off skin, and change out of clue to what’s leaking. Some investigating. It can sometimes be difficult to contaminated clothing, without fluids are distinctively decide where the leak is coming from, delay. coloured.
