Segment:
Full-size Luxury Sedan
Target Audience:
Affluent buyers seeking comfort, performance, and advanced technology
Key Competitors:
Mercedes-Benz S-Class, Lexus LS, Jaguar XJ
Distinguishing Features:
V12 engine, extended wheelbase ('L'), luxurious interior, advanced (for its time) technology
Manual Purpose:
To provide comprehensive repair and maintenance information for the BMW 750iL (E32)
Transmission:
4HP24 Automatic Transmission
Brakes:
ABS, Hydraulic System, Disc Brakes (Front & Rear)
Electrical:
Complete Wiring Diagrams, ECU, Sensors, Lighting, Power Accessories
Suspension:
Front & Rear Suspension, Self-Leveling Rear Suspension (SLS)
Steering:
Power Steering System, Steering Column
Body:
Bodywork, Exterior Trim, Interior Trim, Doors, Windows, Sunroof
Climate Control:
HVAC System, Automatic Climate Control
Fuel System:
Fuel Pump, Injectors, Fuel Lines, Tank
Cooling System:
Radiator, Water Pump, Hoses, Thermostat
Exhaust System:
Exhaust Manifolds, Catalytic Converters, Mufflers
Maintenance:
Oil Change, Filter Replacement, Fluid Checks, Spark Plug Replacement
Troubleshooting:
Diagnostic Charts, Fault Code Interpretation, Symptom-Based Diagnosis
Repair:
Engine Rebuild, Transmission Overhaul, Brake System Repair, Electrical Component Replacement
Rebuilding:
Engine Component Rebuild (Pistons, Rods, Crankshaft), Transmission Rebuild
Refurbishment:
Interior and Exterior Refurbishment Procedures
Restoration:
Guidance for comprehensive vehicle restoration
Diagnostics:
Detailed Diagnostic Procedures and Specifications
Depth:
Comprehensive, from basic maintenance to complete engine and transmission overhaul
Displacement:
4988 cc (5.0 Liters)
Bore X Stroke:
84.0 mm x 75.0 mm
Valvetrain:
SOHC (Single Overhead Camshaft) per bank, 2 valves per cylinder
Block Material:
Aluminum Alloy
Head Material:
Aluminum Alloy
Horsepower:
300 hp @ 5200 rpm (SAE Net)
Torque:
332 lb-ft (450 Nm) @ 3900 rpm (SAE Net)
Fuel Delivery:
Bosch Motronic Electronic Fuel Injection (MFI)
Fuel Type:
Unleaded Premium Gasoline (91+ Octane)
Fuel Pump Type:
Dual Electric Fuel Pumps
Ignition Type:
Distributorless Ignition System (DIS) with Coil-on-Plug (COP) or dual ignition coils
Gear Ratios:
Provided in manual (e.g., 1st: 2.48, 2nd: 1.48, 3rd: 1.00, 4th: 0.75)
Fluid Type:
BMW ATF LT-2 (or equivalent like Dexron II)
Capacity:
Approximately 10.5 Liters (Pan Drop)
NHTSA Ratings:
Not widely available for this era, but designed to high safety standards
ABS:
Standard Anti-lock Braking System (ABS)
Airbags:
Driver's airbag standard, Passenger airbag optional/later addition
Seat Belts:
Front and rear seat belts, pretensioners
Body Structure:
Reinforced safety cage construction
Audio System:
Premium sound system, often with Nakamichi or BMW branded units.
Navigation:
Optional early GPS navigation system available.
Cruise Control:
Standard electronic cruise control.
Parking Assistance:
Optional rear parking sensors (less sophisticated than modern systems).
Original Connectivity:
Basic radio and cassette player, optional car phone.
Seat Adjustment:
Fully electric, multi-way adjustable front seats with memory function.
Climate Control Type:
Dual-zone automatic climate control (ATC).
Oil Change Interval:
Typically every 7,500-10,000 miles (12,000-16,000 km) or annually, depending on driving conditions (refer to manual for precise intervals).
Transmission Fluid Change:
Recommended every 60,000 miles (100,000 km) or as per manual's condition-based service.
Spark Plug Replacement:
Typically every 60,000 miles (100,000 km) for platinum plugs (refer to manual for specific plug type and interval).
Engine Oil Type:
API SG or higher, SAE 5W-30 or 10W-40 (refer to manual for exact viscosity based on ambient temperature).
Coolant Type:
BMW Blue Coolant (G48 ethylene glycol based) mixed 50/50 with distilled water.
Common Failures:
V12 VANOS (if equipped on later models, though M70 is SOHC), ignition coil issues, cooling system leaks (especially plastic components), ABS sensor failures, transmission control module issues.
Maintenance Considerations:
Due to complexity of V12, specialized tools and knowledge are often required for repairs. Regular maintenance is crucial to prevent costly issues.
Brand Focus:
BMW (Bayerische Motoren Werke AG) is renowned for its 'Ultimate Driving Machine' slogan and focus on performance, luxury, and engineering.
Generation:
E32 (1986-1994)
Positioning:
The E32 replaced the E23 and introduced a more modern design and significant technological advancements. The 750iL was the flagship model, showcasing BMW's engineering prowess with the V12 engine.
Production Years:
1987-1994 (E32 generation)
Manufacturer Location:
Germany