Market Position:
The BMW 7 Series (E38) represented BMW's flagship luxury sedan, competing directly with other high-end executive cars, prioritizing comfort, performance, and advanced technology for its era.
Competitors:
Primary competitors included the Mercedes-Benz S-Class, Audi A8, Lexus LS, and Jaguar XJ.
Key Features:
Smooth ride, powerful yet refined engine, spacious interior, advanced features for the time, and characteristic BMW driving dynamics.
Coverage:
Comprehensive repair, maintenance, rebuilding, refurbishing, and restoration for BMW 735i and 735iL models.
Page Count:
Estimated 1000+ pages (typical for full service manuals of this era)
Manual Type:
Full Service Repair Manual
Format:
Likely printed manual or digital (PDF) format
Powertrain:
Engine mechanical, fuel system, ignition system, exhaust system, cooling system, lubrication system.
Drivetrain:
Automatic transmission, driveshafts, differentials, axles.
Suspension Steering:
Front and rear suspension components, shock absorbers, springs, control arms, steering system, power steering.
Brakes:
Front and rear brake systems (disc brakes), ABS system, brake lines, master cylinder, calipers, pads, rotors.
Electrical:
Battery, charging system, starter, lighting system, instrument cluster, wiring diagrams, fuses, relays, ECUs, sensors.
Body Chassis:
Body panels, doors, windows, interior trim, chassis components, body sealing, corrosion protection.
Climate Control:
HVAC system, air conditioning, heating, ventilation, blower motor, controls.
Comfort Convenience:
Power seats, power windows, power mirrors, door locks, cruise control, sunroof operation.
Maintenance:
Routine maintenance checks, oil changes, filter replacements, fluid level checks and top-offs, belt inspections.
Troubleshooting:
Diagnostic procedures, fault code identification, symptom-based troubleshooting guides.
Repair Rebuild:
Detailed step-by-step repair and overhaul instructions for all major components.
Installation Adjustment:
Instructions for component installation, adjustment, and calibration.
Depth:
Advanced diagnostic procedures, detailed component specifications, torque values, clearances, wiring diagrams, and overhaul instructions.
Diagnostic Tools Required:
Basic hand tools, specialized BMW tools for certain procedures (e.g., VANOS compressor, timing tools, specific diagnostic connectors).
File Format:
Typically PDF for digital versions, allowing for searchability and printing. Printed versions are bound paper.
Print Quality:
High-resolution scans or original print quality for clear diagrams and text.
Binding Type:
For printed manuals: Perfect binding or saddle-stitch, designed for workshop durability.
Paper Type:
For printed manuals: Durable, often coated paper to withstand workshop conditions.
Completeness:
Full coverage of all systems, repair procedures, diagnostic information, and specifications for the specified models.
Engine Code:
M60B30 (for 730i, but relevant context) / M60B35 (for 735i)
Engine Type:
3.5L V8 (for 735i), naturally aspirated, SOHC (Single Overhead Camshaft) with BMW's VANOS (Variable Valve Timing) system.
Horsepower 735I:
Approximately 211 hp @ 5800 rpm
Torque 735I:
Approximately 214 lb-ft @ 4000 rpm
Fuel Injection:
Bosch Motronic electronic fuel injection.
Fuel Type:
Premium Unleaded Gasoline (91 RON or higher).
Oil Capacity:
Approximately 6.7 liters (7.1 US quarts) with filter change.
Recommended Oil Viscosity:
Typically SAE 5W-30 or 5W-40, depending on climate (refer to manual for exact BMW specifications).
Coolant Capacity:
Approximately 10.5 liters (11.1 US quarts).
Coolant Type:
BMW Antifreeze/Coolant (G48 or equivalent ethylene glycol-based mixture).
Transmission Type:
5-speed Steptronic automatic transmission (ZF 5HP30).
Optional Transmission:
None offered for this model year in most markets.
Transmission Features:
Electronic control, adaptive shift logic, manual override (Steptronic function).
Transmission Fluid Type:
BMW LT-3 or equivalent ATF (Automatic Transmission Fluid) - Refer to manual for precise BMW part number.
Transmission Fluid Capacity:
Approximately 8 liters (8.5 US quarts) for a complete refill.
Length 735I:
Approx. 5024 mm (197.8 inches)
Length 735Il:
Approx. 5124 mm (201.7 inches)
Wheelbase 735I:
Approx. 2930 mm (115.4 inches)
Wheelbase 735Il:
Approx. 3070 mm (120.9 inches)
Width:
Approx. 1862 mm (73.3 inches)
Height:
Approx. 1423 mm (56.0 inches)
Curb Weight 735I:
Approx. 1750 kg (3858 lbs)
Curb Weight 735Il:
Approx. 1800 kg (3968 lbs)
Gross Vehicle Weight Rating:
Refer to vehicle's VIN plate
Wheel Bolt Pattern:
5x120 mm
Standard Wheel Size:
Typically 16-inch alloy wheels
Standard Tire Size:
Typically 225/60R16
NHTSA Front Impact:
Not specifically rated by NHTSA for this era in a comparable format to modern standards; however, known for robust safety cage construction.
Active Safety Features:
Anti-lock Braking System (ABS), Traction Control System (ASC+T).
Passive Safety Features:
Driver and front passenger airbags, side-impact protection (integrated into doors), energy-absorbing steering column, advanced seatbelt systems.
Infotainment System:
BMW Professional Radio/Cassette with CD changer capability, advanced onboard computer, optional navigation system (first generation).
Driver Assistance Features:
Park Distance Control (PDC) - optional, Cruise Control.
Connectivity Options:
Early cellular phone integration (optional), electric windows, electric mirrors, central locking.
Lighting Technology:
Halogen headlights, optional Xenon headlights (introduced later in the E38 lifecycle, but may be found on late 1994 models or retrofitted).
Oil Change Interval:
Typically every 7,500 - 10,000 miles (12,000 - 16,000 km) or as indicated by the vehicle's Condition Based Service (CBS) system (check manual for specific guidance).
Transmission Fluid Change Interval:
Recommended at 60,000 - 100,000 miles (100,000 - 160,000 km) for longevity, though often considered 'lifetime' by manufacturers. Refer to manual for specific BMW recommendation.
Coolant Change Interval:
Every 2-3 years or as per manual recommendations.
Power Steering Fluid Type:
BMW Power Steering Fluid (or Pentosin CHF 11 S / CHF 202 depending on specific system).
Common Issues:
Head gasket leaks (M60 V8 specific), VANOS system problems, cooling system component failures (water pump, hoses, expansion tank), ignition coil failures, ABS/ASC sensor issues, electronic control unit (ECU) problems, sagging headliner, door seal degradation.
Specific Repair Notes:
Correct torque sequencing for cylinder heads is critical for M60 engines. VANOS unit requires specialized tools for rebuild/replacement. Thorough diagnosis of electrical gremlins is often necessary.
