1987 BMW 735i Owners Manual

The 1987 BMW 735i is a luxury executive sedan featuring a 3.5L M30 inline-6 engine, rear-wheel drive, 4-speed automatic transmission, advanced electronics including onboard computer, power windows, central locking, climate control, and premium audio system. Below are key sections for operation, maintenance, specifications, and troubleshooting.

1. Vehicle Overview 2. Controls and Instruments 3. Starting and Driving 4. Technical Specifications 5. Maintenance Schedule 6. Electrical System 7. Climate Control 8. Audio System 9. Safety Features 10. Emergency Procedures 11. Troubleshooting

Vehicle Overview

Key components: M30B35 3.5L inline-6 engine, 4-speed automatic transmission, onboard computer, power-assisted steering, ABS braking system, central locking.

Feature	Description
Engine	3.5L M30 inline-6 cylinder
Transmission	4-speed automatic with sport mode
Fuel System	Bosch L-Jetronic fuel injection
Brakes	Power-assisted disc brakes with ABS
Suspension	Independent front and rear
Seating	Leather upholstery with power adjustment
Doors	Central locking system
Windows	Power windows with one-touch operation
Exterior	Projector headlights, fog lights
Interior	Wood trim, onboard computer

Controls and Instruments

Dashboard layout: Speedometer, tachometer, fuel gauge, temperature gauge, warning lights, onboard computer display.

Ignition switch: Located on steering column
Light controls: Headlight switch on dashboard left
Wiper controls: Multi-function stalk on steering column
Cruise control: Integrated on steering wheel
Climate control: Automatic temperature control system
Audio system: AM/FM cassette player with equalizer

WARNING! Always check warning lights before driving. Red lights indicate urgent issues.

Starting and Driving

Starting procedure: Insert key, press brake, shift to Park, turn ignition.

Cold start: Allow engine to idle for 30 seconds before driving
Automatic transmission: Select Drive for normal operation
Sport mode: Engage for improved acceleration response
Economy driving: Maintain steady speeds for best fuel efficiency
Parking: Apply parking brake on inclines

CAUTION! Never shift from Park to Drive while accelerating. Always come to complete stop first.

Technical Specifications

Engine: 3.5L M30B35 inline-6
Power: 182 hp @ 5400 rpm
Torque: 214 lb-ft @ 4000 rpm
Transmission: 4-speed automatic ZF 4HP22
Fuel Capacity: 21.1 gallons
Fuel Type: Premium unleaded (91 octane)
Length: 191.3 inches
Width: 72.4 inches
Height: 55.7 inches
Curb Weight: 3,650 lbs

Maintenance Schedule

Regular maintenance ensures optimal performance and longevity.

Interval	Service Required
Every 3,000 miles	Oil and filter change
Every 7,500 miles	Tire rotation and inspection
Every 15,000 miles	Air filter replacement
Every 30,000 miles	Spark plug replacement
Every 60,000 miles	Transmission fluid service
Every 2 years	Brake fluid flush
Every 4 years	Coolant replacement

Electrical System

12-volt system with 90-amp alternator and maintenance-free battery.

Battery location: Trunk, right side
Fuse box: Located in glove compartment
Onboard computer: Displays range, consumption, outside temperature
Power windows: One-touch operation for driver window
Central locking: Remote operation available

Tip: Check battery terminals for corrosion monthly.

Climate Control

Automatic climate control system with separate temperature controls.

Auto mode: Set desired temperature and system adjusts automatically
Manual override: Adjust fan speed and air distribution as needed
Defrost: Maximum defogging for windshield and rear window
A/C: Engage for dehumidification and cooling
Rear defroster: Timer automatically turns off after 15 minutes

WARNING! Do not operate A/C system with low refrigerant levels.

Audio System

Premium audio system with AM/FM radio and cassette player.

Radio operation: Manual tuning or seek function
Preset stations: Store up to 6 stations per band
Cassette player: Auto-reverse feature included
Equalizer: Adjust bass and treble to preference
Fader control: Balance front/rear speaker output
Antenna: Power retractable antenna

Note: System includes anti-theft coding. Record code number in safe place.

Safety Features

Advanced safety systems for 1987 standards.

ABS braking: Prevents wheel lock-up during hard braking
Seat belts: 3-point inertia reel belts front and rear
Head restraints: Adjustable front and rear
Crash protection: Reinforced passenger cell
Lighting: Automatic headlight delay system
Locks: Child safety locks on rear doors

Emergency Procedures

Immediate actions for common emergency situations.

Situation	Action
Engine overheating	Turn off A/C, turn on heater, stop safely
Brake failure	Pump brakes, use parking brake, downshift
Flat tire	Pull over safely, use jack and spare tire
Dead battery	Use jumper cables following proper procedure
Keys locked in car	Contact BMW roadside assistance

Troubleshooting

Symptom	Possible Cause	Corrective Action
Engine cranks but won't start	Fuel pump, spark plugs	Check fuel pump operation, inspect spark plugs and wires
Rough idle	Vacuum leak, dirty injectors	Inspect vacuum hoses, clean fuel injectors
Transmission slips	Low fluid, worn bands	Check transmission fluid level and condition
Electrical issues	Battery, alternator	Test battery and alternator output
Brake vibration	Warped rotors	Inspect and resurface or replace brake rotors

Roadside Assistance: Contact BMW customer service for support.

Service: Authorized BMW service centers recommended for repairs.