This comprehensive repair manual covers the BMW 735i-Il 750Il (e32) models produced between September 1991 and August 1992. It provides the technical information and detailed instructions needed to perform repairs on your vehicle, from front to back. The manual is organized with an index, introduction, and comprehensive sections covering every major system.

You'll find detailed diagrams, technical specifications, and step-by-step instructions for every repair procedure, making it easy to understand and follow even if you don't have extensive mechanical experience. The manual includes sections on:

* **Power Distribution**: Covers fuse charts, ground distribution, data link, and power distribution details.
* **Engine Control System**: Explains the operation of the engine control system, including charging system, starting, and electronic transmission control.
* **Safety Systems**: Provides information on the supplementary restraint system, slip control, ABS, and crash control modules.
* **Convenience Features**: Covers power mirrors, central locking, power windows, power seats, heated seats, power sunroof, horn, wiper/washer module, headlight washer, and windshield washer jet heaters.
* **Instrumentation and Lighting**: Details the instrument cluster, multifunction clock, light switch operation, headlights/fog lights, turn hazards, parking/tail/underhood lights, license plate/luggage compartment lights, backup lights, brake lights, interior lights, glove box/cassette box/charging socket lights, and rear window defogger.
* **Climate Control**: Explains the integrated climate regulation system.
* **Audio and Communications**: Provides information on radio/CD player, radio/hi-fi, cellular telephone, and cruise control.
* **Security**: Covers the anti-theft system and on-board computer.
* **Component Location**: Offers detailed charts, views, and connector information for easy identification and access to components.

This repair manual is a valuable resource for anyone looking to maintain or repair their BMW 735i-Il 750Il (e32).

The BMW 735i and 750i (E32) models, produced between 1986 and 1994, represented the pinnacle of luxury and engineering in the late 1980s and early 1990s. These sedans, internally designated as the E32, were the third generation of the 7 Series, and they introduced a host of innovations, including a new, highly sophisticated chassis featuring double-wishbone independent front and rear suspension, and a powerful, refined range of straight-six and V12 engines. The 735i was powered by a 3.4-liter M30 inline six-cylinder engine, while the 750i employed a 5.0-liter M70 V12 engine, both paired with a smooth-shifting 5-speed automatic transmission. The E32's design, penned by the legendary Ercole Spada, was characterized by its elegant, almost understated lines, featuring a long hood, a prominent grille, and a generous amount of glass. Inside, opulence reigned supreme, with plush leather seats, wood trim, and a comprehensive array of creature comforts, many of which were completely novel at the time, such as automatic climate control, a premium sound system, and even a built-in telephone.

However, as with any complex machine, the E32 7 Series was not without its share of electrical quirks. The extensive array of electronic systems, including engine control units, ABS, and air suspension, while advanced for their time, could also lead to frustrating electrical problems. The 1991-1992 model years saw a particular increase in electrical issues, often due to aging wiring harnesses, faulty sensors, or even the infamous "E32 Gremlins," a term used to describe the car's tendency to develop seemingly inexplicable electrical glitches. These issues could range from intermittent dashboard lights and radio problems to complete engine malfunctions. Diagnosing and resolving these problems require a thorough understanding of the E32's electrical system and its complex interconnectivity. This is where specialized troubleshooting guides, wiring diagrams, and diagnostic tools come in handy, allowing owners and technicians to identify and address these electrical gremlins.