1999 BMW 750IL Service & Repair Manual Software

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🏷️ Basic Information Identification Make: BMW Model: 750iL Year: 1999 Generation E-Code: E38 Codes Model Designation: G70 👋 Introduction Market Position Segment: Full-size Luxury Sedan Competitors: Mercedes-Benz S-Class, Lexus LS,...

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Type: Car

Vendor:

Sku: 330239

Tags: 1999 750IL BMW Car Cars Misc

Product variants

Description

🏷️ Basic Information

Identification

Make:

Model:

750iL

Year:

Generation

E-Code:

Codes

Model Designation:

👋 Introduction

Market Position

Segment:

Full-size Luxury Sedan

Competitors:

Mercedes-Benz S-Class, Lexus LS, Audi A8

Key Features

Engine Offering:

Flagship V12 engine known for smooth power delivery

Luxury Appointments:

Spacious interior, high-quality materials, advanced features for its era

Driving Dynamics:

BMW's signature blend of comfort and sporty handling, even in its largest sedan

Technology Integration:

Early adoption of electronic driver aids and complex control systems

📋 Manual Details

Coverage Areas

Engine:

V12 Engine (M73B54)

Transmission:

Automatic Transmission (GM 5L40-E)

Chassis:

Suspension, Steering, Brakes

Electrical System:

Wiring Diagrams, Control Modules, Lighting

Body And Interior:

Body Panels, Seats, HVAC, Infotainment

Diagnostics:

Troubleshooting and Fault Diagnosis

Page Count

Estimated Pages:

1500+

Manual Type

Type:

Official Service and Repair Manual Software

Language

Language:

English

Format

Format:

Software (Digital, likely searchable PDF)

📖 Manual Coverage

Systems Covered

Engine Management:

DME (Digital Motor Electronics), ignition timing, fuel injection, VANOS

Exhaust System:

Catalytic converters, mufflers, O2 sensors, emissions control

Cooling System:

Radiator, coolant, water pump, thermostat, fan clutch

Fuel System:

Fuel pump, injectors, pressure regulator, fuel tank

Suspension System:

Front and rear suspension components, dampers, springs, bushings

Steering System:

Power steering, steering column, tie rods, steering rack

Brake System:

ABS, DSC (Dynamic Stability Control), brake pads, rotors, calipers, brake lines

Electrical Component Control:

ECU (Engine Control Unit), TCU (Transmission Control Unit), ABS/DSC module, SRS (Supplemental Restraint System)

Lighting System:

Headlights, taillights, interior lighting, fog lights, adaptive headlights

Climate Control:

Automatic climate control, A/C system, heater core, blower motor

Infotainment System:

Radio, CD player, navigation system, speaker system

Comfort Features:

Power seats, heated seats, memory seats, power windows, sunroof

Procedures Included

Routine Maintenance:

Oil changes, filter replacements, spark plug replacement, fluid checks

Engine Overhaul:

Engine disassembly, component inspection, reassembly, timing chain service

Transmission Repair:

Transmission fluid change, filter replacement, solenoid testing, full rebuild procedures

Brake Service:

Pad and rotor replacement, caliper service, brake fluid bleeding, ABS component replacement

Suspension Repair:

Shock absorber/strut replacement, ball joint replacement, control arm bushing replacement

Electrical Troubleshooting:

Diagnosing wiring issues, sensor testing, control module function checks

HVAC Repair:

A/C system recharging, component replacement (compressor, evaporator), heater core replacement

Body Panel Repair:

Door, fender, hood, trunk panel removal and installation

Diagnostic Code Interpretation:

Understanding OBD-II codes and BMW-specific fault codes

Timing Belt Or Chain Service:

V12 engines typically use timing chains, this would cover related service

Technical Depth

Depth:

Comprehensive from basic maintenance to complete engine and transmission rebuilds

Diagnostic Capability:

Detailed diagnostic procedures, component testing, wiring diagrams for troubleshooting

Special Tools:

Lists required BMW special tools and their usage

Specifications:

Torque values, clearances, fluid capacities, electrical parameters

📊 Manual Specifications

File Format

Digital Format:

Software application or high-resolution searchable PDF

Print Quality

Resolution:

High resolution, ensuring clarity of diagrams and text

Binding Type

Binding:

N/A (Software - no physical binding)

Paper Type

Paper:

N/A (Software - no physical paper)

⚙️ Engine Specifications

Primary Engine

Engine Code:

M73B54

Configuration:

60-degree V12

Displacement:

5.4 Liters (5379 cc)

Performance

Horsepower:

322 hp @ 5000 rpm

Torque:

361 lb-ft @ 3900 rpm

Fuel System

Injection Type:

Multi-point Fuel Injection (Bosch Motronic DME)

Fuel Type:

Premium Unleaded Gasoline (91+ octane)

Engine Management

Valve Train:

SOHC (Single Overhead Camshaft) per bank, 2 valves per cylinder

Variable Valve Timing:

VANOS (Variable Valve Timing)

🔧 Transmission

Standard

Type:

5-speed Automatic

Model:

GM 5L40-E

Features

Electronic Control:

Electronically controlled shifting with adaptive programs

Manual Shift Mode:

Steptronic manual shifting capability

Fluid Specifications

Transmission Fluid:

BMW LT-2 or equivalent Dexron-III/MERCON

📐 Dimensions

Exterior

Length:

199.1 inches (5057 mm)

Width:

73.1 inches (1857 mm)

Height:

57.0 inches (1448 mm)

Wheelbase:

118.2 inches (3002 mm)

Weights

Curb Weight:

4586 lbs (2079 kg)

🛡️ Safety Features

Ratings

NHTSA Frontal Impact:

Not explicitly rated for 1999, but designed to meet all standards

Active Features

Stability Control:

Dynamic Stability Control (DSC)

Traction Control:

Automatic Stability Control and Traction (ASC+T)

Anti Lock Brakes:

Anti-lock Braking System (ABS)

Passive Features

Airbags:

Driver and front passenger airbags, optional side airbags

Seatbelts:

3-point inertia-reel seat belts with pretensioners

Structure:

Reinforced safety cage, crumple zones

💡 Technology Features

Infotainment

Display Type:

Central dashboard mounted LCD screen

Audio System:

BMW Professional RDS radio with CD player, often with premium sound options (e.g., Harman Kardon)

Navigation:

Optional BMW Trafficmaster or early iDrive-like navigation system

Driver Assistance

Parking Assist:

Optional Park Distance Control (PDC)

Cruise Control:

Standard adaptive cruise control (ACC) was an option on some models

Connectivity

Telephony:

Optional integrated mobile phone system

🔧 Maintenance

Service Intervals

Oil Change Interval:

BMW Condition Based Service (CBS) system typically recommends ~7,500 - 15,000 miles or annually

Spark Plug Replacement:

Approximately 60,000 miles (for original equipment type)

Transmission Fluid Change:

Recommended around 60,000 - 100,000 miles, or as per CBS

Fluid Specifications

Engine Oil Type:

BMW Longlife-01 (LL-01) 0W-30 or 5W-30 Synthetic

Engine Oil Capacity:

Approx. 8.5 Liters (with filter)

Coolant Type:

BMW Blue Antifreeze/Coolant (G48)

Known Issues

Cooling System Leaks:

Plastic components like expansion tank and coolant hoses can degrade over time

Oil Pan Gasket Leaks:

Common on higher mileage V12 engines

Vanos Solenoid Failure:

Can lead to rough idling and loss of power

ABS/Dsc Module Failure:

Common electronic failure point on E38 models

Window Regulator Failure:

Mechanical wear and tear

📚 Vehicle History

Brand Heritage

Brand Focus:

Performance, luxury, and advanced engineering

Model Evolution

Generation Codename:

E38 (1994-2001)

V12 Introduction:

The E38 generation saw the introduction of the M73 V12 engine for the 750iL

Production

Manufacturing Location:

Dingolfing, Germany

🏆 Awards & Recognition

Recognitions

Car And Driver 10 Best:

While the 750iL itself may not have won, the E38 generation was often praised by automotive journalists for its refinement and handling.

Ratings

Jd Power Dependability:

BMW models from this era generally received average to above-average dependability ratings, though complex systems can pose repair challenges.