This comprehensive service and repair manual is specifically designed for the BMW 7-series E23 model year 1986. It provides detailed instructions, diagrams, and specifications for all aspects of maintaining, servicing, diagnosing, and repairing your vehicle. This manual is the same one used by technicians at BMW dealerships, ensuring you have access to the most accurate and up-to-date information.

The manual covers everything from routine maintenance to complex repairs, including:

- **Engine:** Comprehensive information on engine components, operation, troubleshooting, and repair.
- **Control System:** Detailed explanations of the electronic systems that manage your vehicle's performance.
- **Mechanical:** Step-by-step instructions for servicing and repairing all mechanical systems, including transmission, suspension, and brakes.
- **Fuel Service Specifications:** Precise specifications for fuel systems, including injection systems, fuel lines, and fuel tank.
- **Emission Control:** Information on the emission control system to help you maintain optimal engine performance and compliance with environmental regulations.
- **Intake Exhaust Cooling:** Detailed coverage of the systems responsible for air intake, exhaust, and engine cooling.
- **Lube:** Guidance on choosing the correct lubrication for your vehicle's components and proper lubrication techniques.
- **Ignition Starting Charging:** Complete coverage of the ignition, starting, and charging systems, including troubleshooting and repair procedures.
- **Auto Transmission Clutch:** Thorough instructions for servicing and repairing automatic transmissions and clutches.
- **Manual Transmission:** Detailed information on servicing and repairing manual transmissions.
- **Transfer Propeller Shaft:** Guidance on inspecting and repairing transfer cases and propeller shafts.
- **Drive Shaft:** Instructions for servicing and repairing drive shafts.
- **Differential:** Comprehensive details on differentials, including repair and maintenance procedures.
- **Axle Suspension:** Detailed information on all aspects of the axle and suspension, including troubleshooting and repair.
- **Tire & Wheel:** Information on tire types, specifications, and proper installation and maintenance of wheels.
- **Brake Control:** Step-by-step instructions for servicing and repairing brake control systems.
- **Brake:** Thorough coverage of brake systems, including calipers, rotors, and pads.
- **Parking Brake:** Information on the operation and maintenance of the parking brake system.
- **Steering Column:** Instructions for servicing and repairing the steering column.
- **Power Steering:** Detailed information on the power steering system, including repair and maintenance procedures.
- **Air Condition:** Guidance on servicing and repairing the air conditioning system.
- **Suppl Restraint System:** Information on the supplemental restraint systems, including airbags and seatbelts.
- **Seat Belt:** Details on seatbelt operation, adjustment, and repair.
- **Engine Immobilizer:** Instructions for understanding and troubleshooting the engine immobilizer system.
- **Cruise Control:** Information on the operation, troubleshooting, and repair of cruise control systems.
- **Wiper & Washer:** Guidance on servicing and repairing windshield wipers and washers.
- **Door Lock:** Detailed instructions for troubleshooting and repairing door locks.
- **Meter Audio/Visual:** Information on the operation and repair of instrument clusters, audio systems, and visual displays.
- **Horn:** Instructions for testing and repairing the horn.
- **Windshield/Glass Mirror:** Information on replacing and repairing windshields, glass, and mirrors.
- **Instrument Panel:** Details on the instrument panel, including operation and repair.
- **Seat:** Guidance on adjusting, repairing, and replacing seats.
- **Engine Hood/ Door:** Information on the operation and repair of the engine hood and doors.
- **Exterior & Interior:** Details on exterior and interior components, including trim, body panels, and upholstery.
- **Electrical:** Comprehensive coverage of the electrical systems, including wiring diagrams and troubleshooting guides.
- **Multiplex/ Can Communication:** Information on the multiplex and CAN communication systems used in the vehicle.
- **And much more...**

This service and repair manual provides everything you need to confidently maintain and repair your BMW 7-series E23 1986.

The BMW 7-Series E23, produced from 1977 to 1986, marked a significant step forward for the German luxury automaker. This first-generation 7-Series was BMW's flagship model, introducing a spacious and luxurious driving experience that aimed to rival the Mercedes-Benz S-Class. The E23 was a striking departure from its predecessor, the BMW 2000 C/CS, with its distinctive boxy, angular design, a signature of the era. It featured a long wheelbase and generous interior space, offering ample comfort and legroom for passengers. Beneath the elegant exterior, the E23 boasted a range of powerful inline-six and V8 engines, delivering smooth performance and refinement.

The E23 also introduced several groundbreaking technologies for the time, including the first application of a digital instrument cluster in a production car. This innovative feature displayed vital vehicle information clearly and dynamically. Further enhancing its technological edge, the 7-Series E23 incorporated a pioneering anti-lock braking system (ABS), significantly improving safety and control. Beyond its mechanical innovations, the E23 offered a suite of luxurious amenities, including plush leather upholstery, power seats, and a sophisticated climate control system. With its blend of comfort, performance, and technological advancements, the BMW 7-Series E23 established the brand as a true contender in the high-end luxury car market, paving the way for the successful legacy of the 7-Series line.