🏷️ Basic Information

Make:

BMW

Model:

7 Series

Chassis Code:

E32

Production Years Covered:

1988-1994

Covered Variants:

735i, 735iL, 740i, 740iL, 750iL

👋 Introduction

Segment:

Full-size Luxury Sedan

Positioning:

The E32 7 Series represented BMW's flagship luxury sedan, competing directly with other high-end luxury vehicles of its era, offering advanced technology, refined comfort, and superior driving dynamics.

Competitors:

Mercedes-Benz S-Class (W126/W140), Lexus LS 400, Jaguar XJ, Cadillac DeVille.

Distinctive Features:

Known for its sophisticated engineering, spacious and luxurious interior, advanced electronics for the time, powerful inline-six and V8/V12 engines, and a reputation for building driver-focused luxury cars.

📋 Manual Details

Systems Covered:

Engine Mechanical, Engine Control System, Fuel System, Ignition System, Cooling System, Exhaust System, Lubrication System, Clutch System, Manual Transaxle System, Automatic Transmission, Drive Shaft, Drive Axles, Suspension System (Front & Rear), Steering System, Brake System (Front & Rear), Electrical System, Climate Control System, Bodywork, Interior, Safety Systems (Airbags, Seatbelts), Emissions Control Systems, Wheels & Tires, Diagnostic Procedures, Troubleshooting

Body Styles:

Sedan and Long Wheelbase Sedan ('iL' variants).

Total Pages:

>9,800

Type:

Factory Service & Repair Manual

Language:

English

File Format:

PDF

📖 Manual Coverage

Engine Mechanical:

Complete overhaul procedures for M30 (735i/iL) and M60 (740i/iL) and M70 (750iL) V8 and V12 engines, including cylinder head, block, pistons, crankshaft, camshafts, valve train, timing components, and lubrication system.

Engine Control System:

Detailed diagnostics and repair for DME (Digital Motor Electronics) and related sensors (e.g., Crankshaft Position Sensor, Camshaft Position Sensor, Knock Sensor, Mass Air Flow Sensor), actuators (e.g., Idle Control Valve, Throttle Body), and fuel injection/ignition control strategies.

Transmission:

Service and repair for Getrag 5-speed manual (ZF S5-18/3 for 735i) and ZF 4-speed automatic transmissions (e.g., 4HP-22 for 735i, 4HP-24 for 740i/750iL), including torque converter, valve body, and electronic control units.

Suspension Steering:

Detailed procedures for front and rear suspension components (e.g., control arms, shock absorbers, springs, sway bars) and the hydraulic-assisted power steering system, including steering rack and pump.

Brake System:

Comprehensive coverage of hydraulic braking system, including master cylinder, brake booster, ABS (Anti-lock Braking System) components (e.g., ABS control module, wheel speed sensors), calipers, rotors, pads, and brake fluid specifications.

Electrical System:

In-depth coverage of the vehicle's electrical architecture, including detailed wiring diagrams, troubleshooting procedures for common electrical faults, lighting systems, power accessories (windows, locks, mirrors), instrument cluster, and battery/charging system.

Safety Systems:

Information on Supplemental Restraint System (SRS) components such as airbags (driver, passenger, side), seatbelt pre-tensioners, and related control modules, including diagnostic and replacement procedures. Also covers seatbelt systems.

Emission Control:

Coverage of catalytic converters, oxygen sensors, EVAP systems, and diagnostic procedures related to emissions compliance.

Climate Control:

Operation, diagnosis, and repair of the automatic climate control system, including HVAC components, blower motor, refrigerant system, and control modules.

Wheel Tire System:

Information on wheel types, tire sizes, recommended pressures, and wheel alignment specifications.

Maintenance:

Oil and filter changes, fluid level checks and top-offs (coolant, brake fluid, power steering fluid, transmission fluid), spark plug replacement, air filter replacement, belt inspections and replacement, battery maintenance.

Diagnostics Troubleshooting:

Systematic approaches to diagnosing and resolving various issues, including engine performance problems, transmission shifting issues, brake system malfunctions, electrical gremlins, and HVAC system faults, often with flowcharts and symptom-based guides.

Repair Overhaul:

Detailed step-by-step instructions for major component removal, installation, and overhaul, such as engine rebuilds, transmission repairs, suspension component replacement, brake caliper rebuilds, and body panel repair.

Technical Specifications:

Torque specifications for critical fasteners, component tolerances, fluid capacities, electrical resistance values, diagnostic trouble codes (DTCs), and performance specifications.

Body Repair:

Procedures for body panel removal/installation, door and window repairs, bumper replacement, and potentially basic rust repair guidance.

Interior Trim Repair:

Guidance on removing and reinstalling interior components such as seats, door panels, dashboard trim, and headliner.

Depth:

Comprehensive; covers everything from routine maintenance and minor repairs to full engine and transmission rebuilds, complex electrical diagnostics, and bodywork procedures, suitable for both DIY enthusiasts and professional technicians.

Wiring Diagrams:

Extremely detailed and comprehensive wiring diagrams for all electrical systems, crucial for troubleshooting complex electrical issues.

📊 Manual Specifications

Quality Format:

High-quality PDF, searchable text, crisp images and diagrams, compatible with all PC-based Windows operating systems, Mac, and Linux.

Searchable:

Yes, the PDF format allows for keyword searching, making it efficient to find specific information.

Printable:

Fully printable, allowing users to print specific sections or the entire manual for use in the workshop.

Binding Type:

Digital Download (PDF) - No physical binding

Paper Type:

N/A (Digital Format)

⚙️ Engine Specifications

735I/Il Engine:

3.5L Inline-6 (M30B35)

740I/Il Engine:

4.0L V8 (M60B40)

750Il Engine:

5.0L V12 (M70B50)

735I Horsepower:

Approx. 208 hp @ 5700 rpm

735I Torque:

Approx. 225 lb-ft @ 4000 rpm

740I Horsepower:

Approx. 282 hp @ 5800 rpm

740I Torque:

Approx. 295 lb-ft @ 4500 rpm

750Il Horsepower:

Approx. 296 hp @ 5200 rpm

750Il Torque:

Approx. 332 lb-ft @ 3900 rpm

Fuel Delivery:

Multi-point fuel injection (Bosch Motronic)

Fuel Type:

Premium Unleaded Gasoline (91+ Octane)

🔧 Transmission

735I Standard Transmission:

5-speed Manual (Getrag 5S-18/3)

740I/750Il Standard Transmission:

4-speed Automatic (ZF 4HP-24)

735I Optional Transmission:

4-speed Automatic (ZF 4HP-22)

Traction Control:

ASC+T (Automatic Stability Control + Traction) often available or standard on later models and V8/V12 variants.

📐 Dimensions

Wheelbase Standard:

Approx. 117.1 inches (2975 mm)

Wheelbase Long Wheelbase:

Approx. 124.3 inches (3157 mm) for 'iL' models

Curb Weight Range:

Approx. 3,800 - 4,500 lbs (1724 - 2041 kg), varying by model and equipment.

🛡️ Safety Features

Crash Test Data:

Specific NHTSA/IIHS ratings for this era are less readily available than modern vehicles; focus was on robust construction and passive safety features.

Anti Lock Brakes:

Standard ABS (Anti-lock Braking System)

Traction Control:

Available/Optional ASC+T

Airbags:

Driver's airbag standard from introduction; passenger and side airbags became available/standard on later models.

Seat Belts:

3-point inertia-reel seatbelts with pre-tensioners available.

💡 Technology Features

Audio System:

Premium sound systems often available, including options from Nakamichi or Harman Kardon. Features like cassette players, AM/FM radio, and CD changers (optional) were common.

Navigation:

Early BMW navigation systems (e.g., BMW Professional Navigation System) were optional on later E32 models.

Cruise Control:

Standard electronic cruise control.

Park Assist:

Rear parking sensors (Park Distance Control) were introduced as an option later in the E32's life cycle.

Phone Integration:

Optional integrated cellular phone systems available in some markets.

🔧 Maintenance

Oil Change Interval:

Typically every 7,500 - 10,000 miles (12,000 - 16,000 km) or 12 months, depending on driving conditions and oil used (consult specific model year for exact recommendations).

Coolant Flush Interval:

Every 2-3 years or 30,000-50,000 miles.

Transmission Fluid Change:

BMW originally claimed 'lifetime' fill, but fluid and filter changes are recommended every 50,000 - 70,000 miles for longevity, especially for automatic transmissions.

Engine Oil Specification:

API SJ/SL or BMW LL-98/LL-01 compliant synthetic oil, viscosity typically 5W-30 or 5W-40. (Refer to manual for exact specs per engine).

Coolant Specification:

BMW Blue Antifreeze (G48) or equivalent ethylene glycol-based coolant, mixed 50/50 with distilled water.

Brake Fluid Specification:

DOT 4

Power Steering Fluid:

BMW Power Steering Fluid (G002000 or equivalent CHF 11S based hydraulic fluid for some systems, consult manual).

Common Problems:

Cooling system leaks (radiator, hoses, water pump), head gasket issues (especially M60 V8), ABS/ASC sensor failures, blower motor resistor failure, VANOS system issues (M60 V8), electrical connector corrosion, fuel pump failure, door panel delamination, suspension bushings wear.

📚 Vehicle History

Bmw Legacy:

BMW's reputation for building 'The Ultimate Driving Machine' was well-established by the time the E32 was introduced, emphasizing performance, engineering, and driver engagement.

E32 Introduction:

The E32 generation replaced the E23 7 Series and was introduced in 1986 (as a 1987 model in some markets), with the V12 engine (750iL) debuting in 1987, and the V8 engines (740i/iL) arriving in 1992.

Design Philosophy:

Designed by Claus Luthe, the E32 featured a more aerodynamic and contemporary design than its predecessor, emphasizing elegance and technological advancement.

Manufacturing Location:

Dingolfing, Germany

🏆 Awards & Recognition

Car And Driver 10 Best:

While not explicitly listed for every year, the 7 Series platform frequently appeared on '10 Best' lists or was highly regarded for its segment leadership in luxury and performance.

Consumer Reports Ratings:

Often rated well for reliability and performance in its class, though specific historical ratings for the E32 would need to be consulted from archives.