This manual covers the BMW 733i and 735i models, part of the E23 chassis generation produced from 1977 to 1986 for the U.S. Domestic Market. These flagship luxury sedans were celebrated for their advanced engineering, superior driving dynamics, and plush interiors, competing with other high-end executive cars of their era. Powered by smooth and durable inline-six engines, the M30B32 in the 733i and the M30B34 in the 735i, these vehicles offered a refined driving experience that embodied BMW's 'Ultimate Driving Machine' philosophy. Notable features included available automatic climate control, power accessories, and a focus on driver engagement, making them a benchmark in the luxury sedan segment.

This comprehensive official service and repair manual provides detailed information essential for the maintenance and repair of your BMW 733i or 735i. It covers all systems, including in-depth diagnosis and repair procedures for the M30 engines, fuel and ignition systems, manual and automatic transmissions, drivetrain, suspension, steering, brakes, and the entire electrical system. The manual also details climate control, body and trim, and chassis components. It includes scheduled maintenance, troubleshooting guides, rebuild procedures, diagnostic flowcharts, and critical torque specifications, offering factory-level detail for owners and technicians alike to ensure the longevity and optimal performance of these classic vehicles.