Electrical System, Wiring Diagram, Engine Control System
Comfort And Convenience:
Heater/Air Conditioner, Interior, Restraint System
Procedures Included
Diagnostic Procedures:
Detailed troubleshooting for electrical and electronic systems, circuit analysis, fault finding
Maintenance Procedures:
General Maintenance, Periodic Lubrication, Maintenance Check Lists, Service Instructions
Repair Procedures:
Engine Service/Repair, Transmission Service/Repair, Brake System Repair, Suspension Repair, Steering Repair, Cooling System Repair, Fuel System Repair, Electrical System Repair
Technical Depth
Depth:
Comprehensive factory-level diagnostic and repair information, including detailed circuit diagrams and component datasheets.
📊 Manual Specifications
File Format
Compatibility:
All Versions of Windows & Mac
Requirements:
Adobe PDF Reader, WinZip (for larger files)
Print Quality
Quality:
Great Quality (printable pages)
Binding Type
Type:
Digital Download (implied, as no physical binding mentioned)
Paper Type
Type:
Not Applicable (Digital)
⚙️ Engine Specifications
Primary Engine
Engine Code:
M30B32
Displacement:
3.2 Liters (3210 cc)
Configuration:
Inline 6-cylinder, SOHC
Performance
Horsepower:
Approx. 197 hp (DIN) @ 5500 rpm
Torque:
Approx. 285 Nm (210 lb-ft) @ 3500 rpm
Fuel System
System Type:
Bosch L-Jetronic Fuel Injection
Engine Management
ECU Type:
Bosch Motronic (specific version for 1984 may vary, but integrated fuel/ignition control)
🔧 Transmission
Standard
Type:
4-speed Automatic (ZF 4HP22)
Optional
Type:
5-speed Manual (Getrag 265)
Features
Automatic Mode:
Comfort and Sport modes on some automatic transmissions.
📐 Dimensions
Exterior
Length:
Approx. 4910 mm (193.3 in)
Width:
Approx. 1800 mm (70.9 in)
Height:
Approx. 1400 mm (55.1 in)
Weights
Curb Weight:
Approx. 1700-1800 kg (3750-3970 lbs) depending on transmission and options.
Gross Vehicle Weight Rating:
Typically around 2200 kg (4850 lbs).
🛡️ Safety Features
Ratings
Crash Safety Era:
Designed to 1980s safety standards. Limited electronic safety aids compared to modern vehicles.
Active Features
Braking System:
Four-wheel disc brakes, ABS (Anti-lock Braking System) was optional or standard on later models within the E23 generation.
Passive Features
Restraint System:
Seatbelts, energy-absorbing steering column, reinforced body structure.
💡 Technology Features
Infotainment
Audio System:
Factory-installed radio with cassette player, often with multiple speakers. Options for premium sound systems.
Driver Assistance
ABS:
Optional Anti-lock Braking System (ABS) available, a significant technological advancement for its time.
Connectivity
OBD Ii:
No OBD-II port. Diagnostics are typically performed through specialized BMW tools or manual troubleshooting procedures outlined in service manuals.
🔧 Maintenance
Service Intervals
Oil Change:
Typically every 5,000-7,500 miles (8,000-12,000 km) or 6-12 months, depending on driving conditions. Refer to manual for exact intervals.
Tune Up:
Spark plugs, distributor cap, rotor, and fuel filter typically every 20,000-30,000 miles (32,000-48,000 km).
Fluid Specifications
Engine Oil:
API SG or higher, SAE 15W-40 or 20W-50 recommended for older engines. Check manual for specific viscosity recommendations based on temperature. Capacity approx. 5.5 liters.
Coolant:
Ethylene glycol based antifreeze with corrosion inhibitors. BMW Blue or compatible. 50/50 mix with distilled water. Capacity approx. 9 liters.
Transmission Fluid Auto:
Dexron II or equivalent. Capacity approx. 3.5 liters for drain and fill.
Transmission Fluid Manual:
API GL-4, SAE 75W-90 or 80W-90 gear oil. Capacity approx. 1.5 liters.
Brake Fluid:
DOT 3 or DOT 4.
Known Issues
Common Issue 1:
Fuel distributor issues (Bosch K-Jetronic system sensitivity to dirt and age).
Common Issue 2:
Electrical component failures (corrosion, age-related wear, particularly in wiring harnesses and connectors).
Common Issue 3:
Cooling system leaks (hoses, radiator, water pump).