This comprehensive 1991 BMW M5 E34 Service and Repair Manual provides you with everything you need to maintain, service, diagnose, and repair your vehicle. It's the exact manual used by technicians at BMW dealerships and covers all models and repairs from A to Z.

Inside, you'll find detailed step-by-step instructions, diagrams, illustrations, wiring schematics, and specifications. The manual covers every aspect of your BMW, including:

* **Maintenance:** Learn how to perform routine maintenance tasks like oil changes, filter replacements, and fluid checks.
* **Engine:** Understand the intricacies of your engine, including its components, operation, and troubleshooting tips.
* **Control System:** Dive deep into the electronic control systems that govern your vehicle's performance, helping you diagnose and solve problems.
* **Mechanical:** Explore the mechanical systems of your BMW, such as the transmission, suspension, and brakes, with detailed instructions for repair and maintenance.
* **Fuel Service Specifications:** Find the exact fuel specifications and requirements for your M5, ensuring optimal performance and fuel efficiency.
* **Emission Control:** Understand the intricacies of your vehicle's emission control system, enabling you to maintain its environmental compliance.
* **Intake Exhaust Cooling:** Learn about the cooling systems that keep your engine running at its optimal temperature.
* **Lube:** Understand the proper lubrication needs for your BMW's engine and other components.
* **Ignition Starting Charging:** Diagnose and repair issues related to the ignition system, starter, and charging system.
* **Auto Transmission Clutch:** Learn about the automatic transmission system, including its operation and common issues.
* **Manual Transmission:** Get detailed information about your vehicle's manual transmission, covering repair and maintenance procedures.
* **Transfer Propeller Shaft:** Find information about the transfer case and propeller shaft, ensuring smooth and reliable power delivery.
* **Drive Shaft:** Learn about the drive shafts, their functions, and potential problems.
* **Differential:** Understand the differential system and how to address any issues.
* **Axle Suspension:** Gain knowledge about the axle and suspension systems, including their components and maintenance needs.
* **Tire & Wheel:** Discover the proper specifications for your tires and wheels, and how to maintain them.
* **Brake Control:** Learn about the brake control system, including its components and operation.
* **Brake:** Dive into the details of your brake system, understanding how to inspect, maintain, and repair it.
* **Parking Brake:** Learn how to properly operate and maintain your parking brake.
* **Steering Column:** Find information about the steering column and its components, enabling you to address potential issues.
* **Power Steering:** Understand the power steering system, including its operation and maintenance.
* **Air Condition:** Learn about your vehicle's air conditioning system, covering its components, operation, and troubleshooting.
* **Suppl Restraint System:** Understand the supplemental restraint system (airbags) and how to ensure its proper function.
* **Seat Belt:** Get information on the seat belt system, including inspection and maintenance.
* **Engine Immobilizer:** Learn about the immobilizer system and how to address any issues.
* **Cruise Control:** Find information about the cruise control system and its operation.
* **Wiper & Washer:** Understand the wiper and washer system and how to resolve any problems.
* **Door Lock:** Learn about the door lock system, including how to diagnose and repair issues.
* **Meter Audio/Visual:** Get information about the dashboard instruments, including their operation and troubleshooting.
* **Horn:** Learn how to test and repair the horn system.
* **Windshield/Glass Mirror:** Find information about the windshield and mirrors, including their care and replacement.
* **Instrument Panel:** Get details about the instrument panel, including its components and operation.
* **Seat:** Learn about the different types of seats in your BMW, how to maintain them, and how to address any problems.
* **Engine Hood/ Door:** Understand how to operate and maintain the engine hood and doors.
* **Exterior & Interior:** Find information on maintaining and repairing the exterior and interior of your BMW.
* **Electrical:** Dive into the electrical systems of your vehicle, understanding how to diagnose and troubleshoot electrical problems.
* **Multiplex/ Can Communication:** Learn about the multiplex communication system and how it connects different parts of your BMW.

This manual is an invaluable resource for anyone who wants to take control of their BMW M5 E34's maintenance and repair. It empowers you with the knowledge and confidence to tackle almost any project, saving you time and money in the long run.

The 1991 BMW M5 E34, a true icon of automotive engineering, is a high-performance sedan that embodies the spirit of BMW's Motorsport division. This generation of the M5 marked a significant step forward from its predecessors, boasting a powerful engine, refined handling, and luxurious interior, all packaged in a sleek and timeless design. Under the hood resided a 3.5-liter, naturally aspirated S38B35 inline-six engine, capable of producing a remarkable 315 horsepower and 280 lb-ft of torque. This potent powerplant, paired with a six-speed manual transmission, propelled the M5 from 0 to 60 mph in a mere 5.8 seconds, making it one of the fastest sedans available in its time. The E34 M5's suspension was meticulously engineered for both comfort and handling, featuring a double-wishbone front and multi-link rear suspension, coupled with a precise and responsive steering system.

The 1991 BMW M5 E34's interior offered a blend of luxury and sportiness, featuring supportive and comfortable leather seats, a well-appointed dashboard with a focus on driver ergonomics, and a high-quality build throughout. The M5's practicality was not sacrificed for performance, as it offered ample cargo space and a comfortable ride for four passengers. The E34 M5 left an enduring legacy, solidifying its place as one of the most celebrated performance sedans ever produced. Its timeless design, powerful engine, and exceptional handling continue to inspire enthusiasts today, making it a highly sought-after collector car. The 1991 BMW M5 E34 stands as a testament to BMW's commitment to delivering driving pleasure, performance, and luxury in a single, iconic package.