This comprehensive service and repair manual for the 1984 BMW 7-series E23 is your ultimate guide to maintaining, servicing, diagnosing, and repairing your vehicle. Developed by BMW technicians, this manual provides the same detailed information used at dealerships, ensuring accurate and efficient repairs.

The manual is packed with step-by-step instructions, diagrams, illustrations, wiring schematics, and specifications, covering every aspect of your vehicle. From basic maintenance to complex repairs, you'll find everything you need to work on your BMW with confidence.

Browse through sections dedicated to the engine, control system, mechanical components, fuel service specifications, emission control, intake and exhaust cooling, lubrication, ignition, starting, charging, transmissions, drive shafts, differentials, suspension, tires and wheels, brakes, steering, air conditioning, restraint systems, seat belts, engine immobilizer, cruise control, wipers and washers, door locks, meters and audio/visual systems, horn, windshield and glass, mirrors, instrument panel, seats, engine hood and doors, exterior and interior, electrical systems, multiplex and CAN communication, and much more.

The BMW 7-Series E23, launched in 1977, marked the start of a new era for BMW's flagship luxury sedan. This generation, produced until 1986, marked a departure from the previous E3 model, with a more modern and luxurious design, significantly larger than its predecessor. The E23's body featured clean lines with a long hood and a prominent grille, while the interior was designed for comfort and refinement, boasting features like plush leather upholstery, wood accents, and power-adjustable seats. The E23 was available with a range of powerful six and eight-cylinder engines, including the iconic M70, a 3.2-liter inline-six engine, and the M30, a 3.0-liter inline-six found in the standard 728i model. The E23 also introduced several innovative features, including the first electronic fuel injection system in a BMW, along with power steering, air conditioning, and a sophisticated suspension system.

The E23 was a significant leap forward for BMW, solidifying its position as a leading manufacturer of luxury automobiles. This generation, renowned for its reliability and smooth driving experience, quickly gained popularity among discerning drivers. However, the E23 also represented a significant shift in BMW's strategy. Moving away from the traditional focus on sporty and performance-oriented vehicles, the E23 prioritized comfort, luxury, and refinement. This decision would shape the future of the 7-Series, establishing it as a true competitor in the luxury car segment, with a focus on offering a premium driving experience to its occupants. The E23's legacy continues to inspire and influence the design and engineering of modern BMW vehicles. Its innovative features and elegant styling continue to be admired by car enthusiasts worldwide.