This comprehensive BMW E32 735I 735IL 750IL 7 Series 1988-1989 Electronic Troubleshooting Manual is designed for technicians, mechanics, and anyone seeking to repair or understand the intricate workings of these vehicles. It provides detailed information and technical data, mirroring the original manufacturer's documentation.

The manual delves into a wide range of topics crucial for effective troubleshooting and repair, covering:

* **General Maintenance:** This section guides users through routine maintenance procedures, ensuring optimal vehicle performance.
* **Troubleshooting:** A comprehensive guide to identifying and resolving common issues within various vehicle systems.
* **Engine Service & Repair:** Detailed instructions on maintaining and repairing the engine, including aspects like fuel injection, emission systems, and engine control systems.
* **Transmission Service & Repair:** A thorough explanation of transmission maintenance and repair, ensuring smooth gear shifting and longevity.
* **Brake System:** Information on inspecting, maintaining, and repairing the braking system, ensuring safe and reliable stopping power.
* **Wiring Diagram:** Detailed diagrams illustrating the electrical system's layout, aiding in troubleshooting electrical issues.
* **Electrical System:** Comprehensive explanations and instructions for diagnosing and repairing issues within the vehicle's electrical system.
* **Suspension:** Guidance on suspension system maintenance and repair, ensuring a comfortable and safe driving experience.
* **Periodic Lubrication:** A detailed schedule and guide for applying necessary lubricants to key vehicle components, extending their lifespan.
* **Steering:** Information on maintaining and repairing the steering system, ensuring responsive and accurate control.
* **Cooling System:** Guidance on inspecting, maintaining, and repairing the cooling system, ensuring optimal engine temperature regulation.
* **Fuel System:** Detailed information on diagnosing and repairing issues within the fuel system, ensuring efficient fuel delivery and combustion.
* **Emission System:** Instructions on maintaining and repairing the emissions system, ensuring compliance with environmental regulations.
* **Heater & Air Conditioning:** Information on diagnosing and repairing issues with the heating and air conditioning systems, ensuring comfortable cabin temperatures.
* **Chassis & Body:** Details on maintaining and repairing the vehicle's chassis and body, ensuring structural integrity and aesthetic appeal.
* **Restraint System:** Guidance on inspecting, maintaining, and repairing the safety restraint system, ensuring optimal occupant protection.
* **Interior:** Instructions on maintaining and repairing various interior components, ensuring functionality and comfort.
* **Differential & Drive:** Detailed information on maintaining and repairing the differential and drive system, ensuring power transfer and smooth operation.
* **Axle:** Instructions on inspecting, maintaining, and repairing the vehicle's axles, ensuring proper wheel alignment and stability.

This manual serves as a valuable resource for anyone seeking to understand, maintain, and repair the BMW E32 735I, 735IL, and 750IL models from 1988-1989. Its comprehensive nature provides the necessary knowledge to tackle a wide range of issues, empowering individuals to perform repairs confidently.

The BMW E32 7 Series, produced from 1986 to 1994, marked a significant step forward for the German automaker, introducing a new level of refinement, luxury, and technological innovation. The 735i, 735iL, and 750iL models, featured in this troubleshooting manual, were the epitome of this evolution. The 735i and 735iL shared a 3.4-liter, 218-horsepower inline-six engine, while the 750iL boasted a powerful 5.0-liter, 300-horsepower V12, making it the flagship model. Both engines were paired with a smooth-shifting 5-speed automatic transmission. The E32 7 Series was renowned for its spacious and luxurious interior, featuring plush leather upholstery, wood trim, and advanced features like an optional climate control system, power seats, and a sophisticated audio system. Its aerodynamic body design, with its long hood and sloping roofline, also contributed to its elegant and modern appearance.

The E32 7 Series was also a technological pioneer, introducing features like anti-lock brakes (ABS), power steering, and traction control, many of which were still considered cutting-edge for the time. The advanced electronics featured in the E32 7 Series, while adding to the driving experience, could also present complex troubleshooting challenges. This troubleshooting manual is a valuable resource for mechanics and enthusiasts alike, providing detailed information on diagnosing and resolving issues with the car's intricate electronic systems. It covers various aspects, including the engine control unit (ECU), the instrument cluster, and the various electronic sensors that control different functions of the vehicle. With its comprehensive approach and user-friendly format, this manual helps users understand the intricacies of the E32 7 Series' electronics and provides step-by-step instructions for resolving a wide range of electrical problems, ensuring the longevity and optimal performance of these classic BMW models.