🏷️ Basic Information

Make:

BMW

Model:

745i

Model Code:

E66

Year:

2005

Market Segment:

Full-size Luxury Sedan

👋 Introduction

Market Position:

The 2005 BMW 745i (E66) represented BMW's pinnacle of luxury, technology, and performance in the full-size sedan segment, competing against rivals like the Mercedes-Benz S-Class, Audi A8, and Lexus LS.

Competitive Analysis:

This manual provides the in-depth technical knowledge necessary to service and repair a vehicle that was at the forefront of automotive innovation for its era, featuring advanced electronics, a potent V8 engine, and sophisticated chassis systems.

Key Features:

This software manual offers factory-level diagnostic capabilities and repair procedures, essential for maintaining the complex systems of the E66 7 Series. Its digital format ensures quick access to information via search functionality, unlike older printed manuals.

📋 Manual Details

Coverage Areas:

Mechanical, Electrical, Bodywork, Diagnostics, Maintenance, Repair, Troubleshooting, Specifications

Page Count:

Estimated 1500-2000+ pages (typical for comprehensive dealer-level software)

Manual Type:

Official Service & Repair Manual Software

Language:

English

Format:

Digital Software (likely PDF or proprietary executable)

📖 Manual Coverage

Systems Covered:

Engine (N62 V8), Drivetrain (Transmission, Differential, Axles), Suspension (Front/Rear), Steering, Brakes (ABS, DSC), Climate Control (HVAC), Fuel System, Exhaust System, Cooling System, Electrical System (Wiring Diagrams, ECUs), Body Electronics, Interior, Exterior, Safety Systems (Airbags, Restraints), Infotainment System, Lighting

Procedures Included:

Scheduled Maintenance, Routine Inspections, Diagnostic Trouble Codes (DTCs) interpretation and troubleshooting, Component Removal and Installation, System Overhauls, Fluid Changes, Filter Replacements, Brake Service, Suspension Repairs, Electrical Component Testing and Replacement, Software Updates/Coding (potentially), Body Panel alignment and repair, Climate Control System Diagnostics

Technical Depth:

Comprehensive Dealer-Level Technical Information, including detailed diagnostic procedures, torque specifications, special tool requirements, wiring schematics, component testing procedures, and complete disassembly/reassembly guides.

📊 Manual Specifications

File Format:

Digital (Likely searchable PDF, executable software with integrated search/navigation, or similar proprietary format). Ensure compatibility with common operating systems.

Print Quality:

High-resolution digital reproductions of original factory documentation, ensuring clarity of diagrams, schematics, and text.

Binding Type:

Not Applicable (Digital Software)

Paper Type:

Not Applicable (Digital Software)

⚙️ Engine Specifications

Engine Name:

BMW N62B44O0

Engine Type:

4.4L V8 (Naturally Aspirated)

Valvetrain:

DOHC, 4 Valves per Cylinder with Valvetronic and VANOS

Bore X Stroke:

92 mm x 82.7 mm

Compression Ratio:

10.0:1

Engine Management:

Bosch Motronic (ME9.2 or similar)

Horsepower:

329 hp @ 6100 rpm

Torque:

315 lb-ft @ 3600 rpm

Fuel Type:

Premium Unleaded Gasoline (91+ Octane Recommended)

Fuel Delivery:

Sequential Multi-Port Fuel Injection (MPI)

🔧 Transmission

Transmission Type:

6-speed Automatic (GM 5L40-E or ZF 6HP series, depending on specific model build and market)

Optional Transmission:

N/A for 745i model year 2005, automatic was standard.

Transmission Features:

Steptronic (Manual shift mode), Adaptive Transmission Control (ATC)

📐 Dimensions

Wheelbase:

117.1 inches (2975 mm)

Length:

199.7 inches (5071 mm)

Width:

73.5 inches (1867 mm)

Height:

58.5 inches (1486 mm)

Curb Weight:

Approximately 4178 lbs (1895 kg)

Gross Vehicle Weight Rating:

Approximately 5291 lbs (2400 kg)

Trunk Capacity:

18.0 cubic feet (510 liters)

🛡️ Safety Features

NHTSA Front Crash Rating:

4 out of 5 stars (for driver and passenger)

NHTSA Side Impact Rating:

5 out of 5 stars (for front and rear occupants)

IIHS Small Overlap Front Rating:

Good (for vehicles of this era's testing protocols)

Active Safety Features:

Dynamic Stability Control (DSC), Dynamic Traction Control (DTC), Anti-lock Braking System (ABS), Electronic Brake-force Distribution (EBD), Brake Assist (BA), Adaptive Headlights (AFS)

Passive Safety Features:

Advanced Frontal Airbags, Side-Curtain Airbags (Head Protection), Front Side Impact Airbags, Active Head Restraints, Seatbelt Pretensioners, Crumple Zones

💡 Technology Features

Infotainment System:

BMW iDrive (with CCC - Car Communication Computer)

Display:

Central color LCD display (6.5 or 8.8 inches)

Audio System:

Premium Hi-Fi System (optional Logic7 or Bowers & Wilkins)

Driver Assistance Features:

Adaptive Cruise Control (ACC), Parking Sensors (PDC), Rain-sensing Wipers, Automatic Headlight Control

Connectivity Features:

BMW Assist (telematics), Bluetooth integration (optional), CD Changer, Satellite Radio (optional)

🔧 Maintenance

Oil Change Interval:

BMW Condition Based Service (CBS) typically recommends every 10,000-15,000 miles or 12-24 months, depending on driving conditions. Consult manual for specific CBS reset procedures.

Spark Plug Replacement:

Typically around 60,000 miles for original iridium plugs.

Coolant Flush Interval:

BMW Blue Coolant recommended change every 2-4 years or 30,000-60,000 miles. Consult manual for precise interval.

Engine Oil Type:

BMW Longlife-01 (LL-01) Synthetic SAE 0W-30 or 0W-40

Engine Oil Capacity:

Approximately 8.5 liters (9 US quarts) with filter change

Transmission Fluid Type:

BMW ATF LT-5 or compatible ZF Lifeguard fluid (specific to the 6HP transmission variant).

Coolant Type:

BMW Blue Antifreeze/Coolant (G48)

Brake Fluid Type:

DOT 4 High Performance

Common Issues:

Valley Pan Gasket Leaks, Oil Cooler Gasket Leaks, Crankcase Ventilation (CCV) System Failures, Ignition Coil Failures, Electronic Parking Brake (EPB) Malfunctions, iDrive System Glitches, Water Pump Failures, Thermostat Issues, Power Steering Leaks, Door Seal Degradation

📚 Vehicle History

Brand Heritage:

BMW (Bayerische Motoren Werke AG) has a long-standing reputation for building driver-focused luxury vehicles with advanced engineering and performance capabilities.

Model Evolution:

The E66 generation represented a significant departure in styling and technology for the 7 Series, introducing the iDrive infotainment system and advanced chassis electronics. The 745i was the entry-level V8 model for this generation, succeeding the E38 740i.

Production Years:

2002-2008 (E65/E66 generation)

Manufacturing Location:

Dingolfing, Germany

🏆 Awards & Recognition

Recognitions:

While specific awards for the 2005 745i are numerous and varied across automotive publications, the E66 generation was generally recognized for its technological advancements, ride comfort, and powerful V8 engine, even if its styling and iDrive interface were polarizing at launch.