This comprehensive workshop repair and service manual provides a complete guide for maintaining and repairing your 1977-1987 BMW 7-Series E23 (models 728, 728i, 730, 732i, 733i, 735i, and 745i). The manual covers all aspects of your vehicle, from basic maintenance procedures to complex repairs, and includes detailed information on every system including the engine, fuel system, transmission, steering, brakes, electrical system, bodywork, and more. Detailed illustrations, drawings, and photographs accompany each step, guiding you through every repair procedure with clarity and precision. Numbered instructions ensure you follow each step correctly, while notes, cautions, and warnings highlight critical information for your safety and the proper functioning of your vehicle. Troubleshooting sections help you diagnose and resolve problems quickly and efficiently. This manual also includes detailed wiring diagrams for ease of use when working on the electrical system. You'll find all the information you need to keep your BMW 7-Series running smoothly and reliably for years to come.

The 1977-1987 BMW 7-Series E23, a pioneering luxury sedan, marked a significant leap in BMW's automotive history. This first-generation 7-Series established the brand's commitment to delivering both refined luxury and powerful performance. The E23's iconic design, characterized by its distinctive boxy lines and prominent kidney grille, set a new standard for premium vehicles. It was available in a variety of engine options, ranging from the 2.8-liter inline-six in the 728 and 728i to the potent 3.5-liter inline-six in the 735i. The luxurious interior featured plush leather upholstery, wood trim, and advanced features like power windows, air conditioning, and an optional sunroof. The E23 offered a comfortable and refined driving experience, thanks to its well-balanced suspension and precise steering. The 1977-1987 BMW 7-Series E23 represented a significant departure from its predecessors, introducing cutting-edge technology and features that have become synonymous with BMW's luxury heritage. Notable innovations included the first use of a digital instrument cluster, an optional limited-slip differential, and the introduction of the M735i, a performance-focused variant powered by a 3.2-liter inline-six engine. The E23 marked the beginning of BMW's dominance in the luxury sedan segment, establishing a reputation for exceptional performance, refined comfort, and a focus on driver engagement. Despite its age, the E23 continues to be admired for its classic styling and enduring engineering. The Workshop Repair & Service Manual for this model provides invaluable information for owners and enthusiasts, helping them maintain and restore these iconic vehicles to their former glory.