This comprehensive workshop manual provides detailed technical information for BMW 3 Series (316, 316i, 318i, 320i, 325i) and 5 Series (518, 518i, 525i, 528i, 535i, M535i) models produced between 1981 and 1991. The manual covers a wide range of topics, including engine specifications, maintenance procedures, repair instructions, electrical diagrams, and troubleshooting guides. It is a valuable resource for both professional mechanics and DIY enthusiasts who want to understand the intricacies of these classic BMW vehicles. The manual includes step-by-step instructions, detailed illustrations, and clear explanations to help you diagnose and resolve any issues you may encounter. Whether you are performing routine maintenance, tackling a complex repair, or simply looking for a deeper understanding of your BMW, this workshop manual is an essential tool for any owner.

The BMW 3 Series (E30) and 5 Series (E12/E28) produced between 1981 and 1991 encompass a diverse range of models, each offering a distinct character and driving experience. The 3 Series, known for its compact dimensions and agile handling, saw various engine options, starting with the fuel-efficient 316 and progressing to the peppy 318i and the powerful 325i. The 5 Series, characterized by its comfortable and spacious interior, also featured a variety of engine choices, including the economical 518i and the potent 535i. For the performance enthusiast, the M535i stood out with its 3.5-liter inline-six engine, producing over 215 horsepower. These models were available with manual transmissions, providing a more engaging driving experience for enthusiasts.

The E30 3 Series and E12/E28 5 Series models were renowned for their robust build quality, advanced engineering, and exceptional handling. The 3 Series, with its rear-wheel drive configuration and precise steering, provided an unparalleled driving experience for its time. It quickly became a favorite among driving enthusiasts, earning a reputation for its sporting character and its ability to handle challenging roads with ease. The 5 Series, while comfortable and luxurious, also offered a surprisingly sporty driving experience. Its powerful engines and well-balanced chassis made it an excellent choice for long-distance cruising as well as spirited driving. Both the 3 Series and the 5 Series, with their distinctive designs and engineering, became iconic models within the BMW lineup, establishing the brand's reputation for producing high-performance and well-engineered automobiles.