Positioning:
The BMW E32 7 Series represented the pinnacle of BMW's luxury sedan offering in its era, targeting discerning buyers seeking advanced technology, superior comfort, and performance. This manual serves the owners and independent repair shops catering to this premium segment.
Competitors:
Competed directly with other flagship luxury sedans of the late 1980s and early 1990s, such as the Mercedes-Benz S-Class (W126/W140), Audi V8 Quattro, and Jaguar XJ.
Vehicle Highlights:
The E32 was renowned for its sophisticated engineering, smooth ride, potent V8 and V12 engines, advanced electronics (for its time), and spacious, luxurious interior. Key innovations included available features like the electronic damper control (EDC).
Engine Systems:
Detailed coverage of engine mechanical components (cylinder head, block, crankshaft, camshaft, pistons, etc.), engine control (DME/ECU), fuel injection, ignition timing, cooling, lubrication, and exhaust systems.
Drivetrain Systems:
Comprehensive coverage of automatic and manual transmissions, torque converter, drive shafts, differential assemblies, front and rear axles, and wheel hub components.
Suspension Steering Brakes:
In-depth information on front and rear suspension components (shocks, springs, control arms, stabilizers), steering system (power steering, steering column), and brake system (master cylinder, calipers, pads, rotors, ABS, brake fluid).
Electrical Coverage:
Extensive coverage including wiring diagrams for all systems, starter, generator/alternator, battery, lighting, instrument cluster, power windows, power locks, sunroof, audio, and supplemental restraint system (SRS).
Maintenance Procedures:
• Oil and filter changes
• Air filter replacement
• Coolant flushes and replacement
• Spark plug replacement
• Belts and hoses inspection/replacement
• Brake pad and rotor replacement
• Tire rotation and balancing
• Fluid level checks and top-offs
Repair Procedures:
• Engine component overhaul (e.g., cylinder head gasket, timing belt/chain)
• Transmission overhaul and replacement
• Suspension component replacement
• Brake system repair
• Electrical component diagnosis and replacement
• Fuel system component repair (injectors, pump)
• HVAC system diagnosis and repair
• Body panel repair and alignment
• Window regulator and lock actuator replacement
Troubleshooting:
Detailed diagnostic procedures, fault code interpretation, and step-by-step troubleshooting guides for common and uncommon issues across all vehicle systems.
Depth:
Provides detailed technical specifications, torque values, clearances, diagnostic data, and repair procedures suitable for both professional mechanics and advanced DIY enthusiasts.
Format Details:
Delivered as a PDF file, ensuring compatibility with a wide range of devices. Searchable text is a key advantage for quick information retrieval.
Printability:
Designed for easy printing of specific sections or the entire manual, offering the flexibility of a hard copy for on-the-go use without the bulk of a traditional book.
Binding:
N/A (Digital PDF format, no physical binding)
Paper Quality:
N/A (Digital PDF format, no physical paper)
Engine Options:
• 3.0L M30B30 I6 (730i)
• 3.5L M30B35 I6 (735i)
• 4.0L M60B40 V8 (740i)
• 3.2L M70B32 V12 (750i/iL)
Typical Horsepower Torque:
{'730i (M30B30)': 'Approx. 188 hp / 214 lb-ft', '735i (M30B35)': 'Approx. 208 hp / 243 lb-ft', '740i (M60B40)': 'Approx. 282 hp / 310 lb-ft', '750i/iL (M70B32)': 'Approx. 295 hp / 332 lb-ft'}
Fuel Delivery:
Bosch Motronic electronic fuel injection (EFI) system for all engine variants.
Standard Transmission:
4-speed automatic (ZF 4HP22/EH) for most models. 5-speed manual (Getrag 260) available on some 735i models.
Optional Transmission:
5-speed manual (for 735i), 4-speed automatic with Sport mode (EH).
Transmission Features:
Adaptive shift logic on automatic transmissions, offering different shift patterns based on driving style. EH (Electronic Hydro-transmission) offered selectable shift modes.
Wheelbase:
{'Standard Wheelbase (e.g., 730i, 735i, 740i)': 'Approx. 117.1 inches (2975 mm)', 'Long Wheelbase (iL models, e.g., 740iL, 750iL)': 'Approx. 123.2 inches (3129 mm)'}
Length:
{'Standard Wheelbase': 'Approx. 196.7 inches (5000 mm)', 'Long Wheelbase': 'Approx. 202.8 inches (5150 mm)'}
Curb Weight:
Ranging from approximately 3,700 lbs to over 4,500 lbs, depending on engine and options.
Audio System:
Premium Hi-Fi audio systems were available, often featuring Nakamichi or Blaupunkt components. Radio/cassette combination units were standard, with optional CD changers.
Advanced Features:
• Electronic Damper Control (EDC)
• Traction Control System (ASC+T)
• On-board computer (OBC) with trip information
• Cruise control
Connectivity Options:
Limited by modern standards. Features included power door locks, power windows, and optional cellular telephone integration in later models.
Oil Change Interval:
Typically every 7,500-10,000 miles or 12 months, depending on driving conditions and oil used. Check manual for specific recommendations.
Timing Belt Chain:
M30 engines use a timing chain (low maintenance). M60 and M70 engines use a timing chain (low maintenance).
Engine Oil:
API SG or higher, SAE 5W-30 or 10W-40 recommended (refer to manual for precise viscosity based on temperature).
Coolant:
BMW Blue Antifreeze/Coolant (G48 ethylene glycol based) or equivalent.
Transmission Fluid Auto:
ZF TE-ML 14A / ATF Dexron II-E (or equivalent). Check manual for exact specification for your transmission model.
Brake Fluid:
DOT 4 synthetic brake fluid.
Common Problems:
• Cooling system leaks (radiator, hoses, water pump)
• Vibration issues (driveshaft guibo, center bearing)
• Oil leaks (valve cover gasket, oil pan gasket)
• Wiring harness degradation (especially in engine bay)
• ABS/ASC sensor faults
• Climate control system issues
• Headliner sagging
• Door seal degradation
Bmw Philosophy:
BMW's commitment to 'The Ultimate Driving Machine' is evident in the E32's blend of luxury, performance, and driver engagement, setting it apart from more comfort-focused rivals.
E32 Development:
The E32 succeeded the E23 7 Series and was produced from 1986 to 1994. It marked a significant step forward in technology and design, introducing the V8 and V12 engines to the 7 Series line. It was later succeeded by the E38.
Production Years:
1986-1994