This comprehensive 1979 BMW 7 Series (E23) Service and Repair Manual provides detailed instructions and illustrations for maintaining, servicing, diagnosing, and repairing your vehicle. This is the exact same manual used by technicians at BMW dealerships, offering you the most accurate and complete information available.

The manual covers every aspect of your 1979 BMW 7 Series (E23), from routine maintenance to complex repairs. It includes step-by-step instructions, diagrams, wiring schematics, and specifications. You'll find detailed information on:

* **Engine:** Maintenance, repair, troubleshooting, and specifications for all engine components.
* **Transmission:** Instructions on maintaining, repairing, and troubleshooting both automatic and manual transmissions.
* **Drive System:** Comprehensive coverage of the transfer case, propeller shaft, drive shaft, differential, axles, and suspension.
* **Brakes:** Detailed information on brake systems, from basic maintenance to complex repairs.
* **Steering:** Instructions on steering systems, including power steering.
* **Electrical System:** Comprehensive coverage of the electrical system, including wiring diagrams and troubleshooting guides.
* **Body:** Information on body repair, interior components, and exterior features.
* **Climate Control:** Detailed instructions on the air conditioning system.
* **Safety Systems:** Instructions and specifications for the supplemental restraint system, seat belts, engine immobilizer, and cruise control.

This manual is your ultimate resource for ensuring your 1979 BMW 7 Series (E23) runs smoothly and safely. Whether you're a seasoned mechanic or a DIY enthusiast, this manual provides the knowledge and guidance you need to perform any repair.

The 1979 BMW 7 Series (E23) marked a significant milestone in the evolution of the luxury car segment. This first-generation 7 Series, launched in 1977, aimed to establish BMW as a serious contender in the high-end market dominated by Mercedes-Benz. The E23 was a substantial leap from its predecessor, the "New Six" (E3), offering a larger and more refined platform. It featured a distinctive, boxy design that emphasized practicality and comfort, with a spacious interior boasting high-quality materials and advanced features for the era. The E23 was offered with a range of powerful inline-six and V8 engines, including the iconic M70, a 3.2-liter inline-six delivering 184 horsepower and the potent 3.0-liter V8 pushing out 218 horsepower. These engines were paired with a smooth-shifting 4-speed automatic transmission or a responsive 5-speed manual gearbox, providing a refined and engaging driving experience.

Beyond its impressive performance, the 1979 BMW 7 Series (E23) was lauded for its luxurious amenities. The cabin featured plush leather upholstery, extensive sound insulation, and an array of comfort features, including power windows, central locking, and air conditioning. The E23 introduced several innovative safety features, such as a crumple zone design and a comprehensive airbag system. Its advanced suspension and sophisticated braking system provided a comfortable and safe ride, further enhancing the car's appeal to discerning buyers. The 1979 BMW 7 Series (E23) represented a significant shift in the brand's strategy, aiming to capture a slice of the luxury car market and establish BMW as a leading player in the segment. This iconic car set the stage for future generations of the 7 Series, cementing its reputation as a symbol of luxury, performance, and innovation.