🏷️ Basic Information

Make:

BMW

Model:

7 Series

Specific Model:

740i / 740iL

Body Style:

Sedan (Long Wheelbase for iL)

Chassis Code:

E32

Engine Code Primary:

M60B40

👋 Introduction

Positioning:

Flagship luxury sedan of its era, known for performance, advanced technology, and refined comfort. Competed with Mercedes-Benz S-Class and Lexus LS.

Key Competitors:

Mercedes-Benz S-Class (W126/W140), Lexus LS 400 (UCF10), Cadillac DeVille/Seville, Lincoln Continental.

Engineering Focus:

BMW's characteristic sporty handling combined with luxurious comfort and advanced engineering. Introduction of V8 engines to the 7 Series.

Design Philosophy:

Elegant, understated styling with a focus on aerodynamic efficiency and driver-centric ergonomics.

Value For Owner:

Essential resource for maintaining the complex systems of the E32 7 Series, enabling DIY repairs and informed servicing, thus preserving vehicle value and performance.

📋 Manual Details

Covered Years:

1988, 1989, 1990, 1991, 1992, 1993, 1994

Total Pages:

987

Type:

Workshop Service Manual / Repair Manual

Language:

English

Format:

PDF

📖 Manual Coverage

Engine Mechanical:

Complete Engine Assembly, Cylinder Heads, Block, Crankshaft, Pistons, Connecting Rods, Valve Train, Timing Components (Chain and Tensioners), Oil Pump, Cooling System (Radiator, Water Pump, Hoses, Thermostat).

Engine Management:

Electronic Engine Control (DME), Ignition System, Fuel Injection System (Bosch Motronic), Oxygen Sensors, Idle Control, Diagnostic Trouble Codes (DTCs), Self-Adjusting Systems.

Transmission:

Automatic Transmission (e.g., 4HP22 EH for V8 models, potentially earlier 4HP22 for some variants covered within the year range), Gearbox Overhaul, Torque Converter, Transmission Control Unit (TCU), Fluid Service.

Drivetrain:

Driveshafts, Differential, Rear Axle Assembly, Limited Slip Differential (if equipped).

Suspension:

Front and Rear Suspension Systems, Shock Absorbers, Springs, Control Arms, Bushings, Anti-Roll Bars, Self-Leveling Rear Suspension (if equipped - note: 740i typically used conventional suspension). Strut Replacement.

Brakes:

Front and Rear Disc Brakes, ABS System (e.g., Bosch ABS II), Brake Master Cylinder, Brake Booster, Brake Lines, Parking Brake, Hydraulic System.

Steering:

Power Steering System, Steering Gearbox, Steering Column, Tie Rods, Power Steering Pump and Hoses.

Electrical System:

Battery, Alternator, Starter Motor, Wiring Diagrams, Fuses, Relays, Lighting System (Headlights, Taillights, Interior Lights), Horn, Ignition Switch.

Body And Chassis:

Body Panels, Doors, Hood, Trunk, Bumpers, Glass and Seals, Interior Trim, Seat Adjustments, Convertible Top (if applicable - not for 740i/iL), Corrosion Protection.

Climate Control:

Air Conditioning System (Refrigerant, Compressor, Condenser, Evaporator, Controls), Heating System, Blower Motor, HVAC System Diagnostics.

Infotainment And Comfort:

Radio/Cassette System, Speaker System, Power Windows, Power Door Locks, Power Mirrors, Cruise Control, Central Locking System.

Maintenance:

Oil Changes, Filter Replacements (Oil, Air, Fuel, Cabin), Spark Plug Replacement, Coolant Flushes, Brake Fluid Replacement, Transmission Fluid Changes, Differential Fluid Changes, Belt Inspections and Replacements.

Troubleshooting:

System Diagnosis, Fault Finding Charts, Symptom-Based Troubleshooting Guides, Diagnostic Trouble Code Interpretation, Component Testing Procedures.

Repair And Overhaul:

Engine Rebuilds, Cylinder Head Removal and Installation, Piston and Connecting Rod Installation, Crankshaft Bearing Replacement, Transmission Overhaul, Brake Caliper Rebuilds, Suspension Component Replacement, Electrical Component Repair.

Diagnostics:

On-Board Diagnostics (OBD) Procedures (for applicable systems), Use of Diagnostic Tools, Sensor Testing, Actuator Testing, ECU Diagnostics.

Special Tools:

Identification and usage instructions for specialized BMW tools required for specific repair procedures.

Depth:

Comprehensive: Covers everything from basic routine maintenance and fluid checks to complex engine and transmission overhauls, electrical system diagnostics, and bodywork repairs. Includes detailed specifications and torque values.

📊 Manual Specifications

PDF Quality:

High-resolution scans, likely text-searchable. Assumed to be clear and legible for printing.

Printability:

Printable pages, suitable for creating a physical copy for workshop use.

Binding Recommendation:

Not applicable for PDF, but for a printed version, professional binding (e.g., spiral or perfect bound) is recommended for durability.

Paper Recommendation:

Not applicable for PDF. For printed use, a durable, matte-finish paper stock is ideal.

⚙️ Engine Specifications

Engine Type:

Naturally Aspirated V8

Engine Code:

M60B40

Displacement:

3982 cc (4.0 Liters)

Bore X Stroke:

84.0 mm x 90.0 mm

Compression Ratio:

8.8:1 or 10.0:1 (depending on market/variant)

Horsepower:

Approx. 282 hp (210 kW) @ 5800 rpm

Torque:

Approx. 295 lb-ft (400 Nm) @ 4500 rpm

Fuel Delivery:

Bosch Motronic Electronic Fuel Injection (EFI)

Fuel Type:

Unleaded Gasoline (Premium)

Block Material:

Aluminum Alloy

Cylinder Head Material:

Aluminum Alloy

Timing Drive:

Double Row Timing Chain with Hydraulic Tensioners (M60 engines are known for potential tensioner issues).

🔧 Transmission

Transmission Type:

5-speed manual (rare on 740i, primarily found on earlier 735i models) or 4-speed automatic.

Automatic Transmission Model:

Typically ZF 4HP22 EH (Electronic Hydraulic Control) on V8 models. Earlier V8 models might have used non-EH versions.

Transmission Control:

Electronic control for gear selection and shift points on EH models, often with sport/economy modes.

Automatic Transmission Fluid:

BMW ATF Dexron III or equivalent specified by ZF. Check manual for exact fill capacity.

📐 Dimensions

Length 740I:

Approx. 196.5 inches (4991 mm)

Length 740Il:

Approx. 204.9 inches (5205 mm)

Wheelbase 740I:

Approx. 117.4 inches (2982 mm)

Wheelbase 740Il:

Approx. 125.7 inches (3193 mm)

Width:

Approx. 71.5 inches (1816 mm)

Height:

Approx. 55.5 inches (1410 mm)

Curb Weight 740I:

Approx. 3,900 - 4,100 lbs (1769 - 1860 kg)

Curb Weight 740Il:

Approx. 4,100 - 4,300 lbs (1860 - 1950 kg)

Gross Vehicle Weight Rating:

Varies by specific configuration, typically around 5,000 lbs (2268 kg).

Wheel Bolt Pattern:

5 x 120 mm

Wheel Offset:

Typically ET 10 to ET 25, depending on wheel size.

Tire Size Standard:

215/65R15 or 225/60R15 (various options depending on trim and year).

🛡️ Safety Features

NHTSA Ratings:

Specific NHTSA ratings for this era may be limited or non-existent. Generally considered a safe vehicle due to its robust construction.

ABS:

Standard Bosch ABS II Anti-lock Braking System.

Traction Control:

Optional ASC (Automatic Stability Control) or ASC+T (with traction control) available on later models.

Airbags:

Driver's side airbag became standard during the E32's production run. Passenger airbag became available on later models.

Seatbelts:

Pre-tensioning front seatbelts, three-point rear seatbelts.

Chassis Construction:

Integrated Safety Cell, Crumple Zones, Reinforced Door Beams.

💡 Technology Features

Audio System:

Premium Hi-Fi sound system with cassette player, FM/AM radio, and multiple speakers. CD changer often optional.

Climate Control System:

Dual-zone automatic climate control with automatic recirculation and cabin air filtration.

Cruise Control:

Standard electronic cruise control system.

Parking Assistance:

Rear Park Distance Control (PDC) became available on later E32 models.

Phone Integration:

Optional integrated cellular phone system available on some models.

Power Features:

Power windows with one-touch up/down, power door locks, power-adjustable front seats with memory, power mirrors, power tilt/telescopic steering column.

Lighting Features:

Halogen headlights with leveling, fog lights, courtesy interior lighting.

🔧 Maintenance

Oil Change Interval:

Typically every 7,500 - 10,000 miles (12,000 - 16,000 km) or as indicated by the 'Service Indicator' system. Consult manual for specific advice based on driving conditions.

Transmission Fluid Service:

Recommended every 30,000 - 50,000 miles (48,000 - 80,000 km). For sealed transmissions, some sources recommend replacement every 50,000-60,000 miles.

Spark Plug Replacement:

Approximately every 30,000 miles (48,000 km) for original plugs (e.g., Bosch Platinum). Check manual for updated recommendations.

Coolant Flush:

Every 2 years or 30,000 miles (48,000 km).

Engine Oil Specification:

SAE 5W-30 or 5W-40 synthetic or semi-synthetic oil meeting BMW LL-98 or appropriate API/ACEA specifications. Consult manual for exact viscosity and BMW approval.

Coolant Specification:

BMW Blue Antifreeze/Coolant (G48) or equivalent, mixed with distilled water at a 50/50 ratio.

Brake Fluid Specification:

DOT 4 low-viscosity brake fluid.

Engine Timing Chain Tensioners:

The M60 V8 is known for plastic timing chain guides and tensioners that can degrade over time, leading to slack in the chains and potential catastrophic engine failure. Replacement is a critical preventative maintenance item.

Cooling System:

Plastic coolant expansion tanks can become brittle and crack. Water pump seals can fail. Thermostat housing leaks.

Electrical System:

Age-related degradation of wiring insulation, particularly in engine bay harness. Faulty door locks, window regulators, and ABS sensors are common.

Fuel System:

Fuel pump failures, leaky fuel injectors, and clogged fuel filters.

Transmission:

Automatic transmission shifting issues, leaks, and solenoid failures. Torque converter lock-up problems.

Recommended Checks:

Regularly check fluid levels (oil, coolant, brake, power steering), inspect belts and hoses for wear, check tire pressures and tread depth, and test all lights.

📚 Vehicle History

Bmw Legacy:

BMW's reputation for building driver-focused, high-performance luxury sedans with advanced engineering.

E32 Introduction:

The E32 chassis replaced the E23 7 Series and was BMW's flagship sedan from 1986 to 1994. The 740i and 740iL models, powered by the new M60 V8 engine, were introduced in 1992, marking BMW's return to V8 production.

Major Updates:

Facelift in 1991 saw updated styling (e.g., aerodynamic mirrors, slimmer kidney grille surrounds), improved interior, and the introduction of the V8 engines. Model year updates included refinements to electronics and features.

Production Period:

1986-1994 (E32 Chassis). 740i/iL production specifically from 1992-1994.

Manufacturing Location:

Germany (Dingolfing Plant)

🏆 Awards & Recognition

Automotive Press Awards:

While specific 'awards' are less common for individual model years from this era in the modern sense, the E32 7 Series consistently received praise from automotive journalists for its driving dynamics, luxury, and technological advancements, often outperforming its European rivals in comparison tests for driver engagement.

Consumer Reports Mentions:

The E32 generation was noted in reviews for its excellent build quality and performance, although like many complex German cars of the era, maintenance costs were often highlighted.

Certification Standards:

Built to stringent German TUV standards and other European automotive safety and quality certifications.