BMW 3-series: Service Manual, 1984, 1985, 1986, 1987, 1988, 1989, 1990 : 318i, 325, 325e(es), 325i(is), and 325i Convertible

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R. Bentley, 1991 - Transportation - 528 pages
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This Bentley Manual is the only comprehensive, single source of service information and specifications for BMW 3 Series (E30) cars from 1984-1990. Whether you're a professional technician or a do-it-yourself BMW owner, this manual will help you understand, maintain, and repair every system on 3 Series cars.

-Fundamental automotive concepts, including explanations of basic troubleshooting, safe and effective workshop practices, and tools.
-Complete preventative maintenance procedures for everything from resetting the oil and service indicator light to the yearly brake fluid change. This manual tells you what maintenance to do, how and when to do it, and why it's important. Many of the maintenance recommendations actually exceed factory-recommended service and are designed to extend your BMW's service life.
-Comprehensive Engine Management information explains specific BMW 3-Series driveability problems, with detailed troubleshooting and repair information for these Bosch Fuel Injection and Engine Management Systems: L-Jetronic (318i), Motronic (325, 325e, 325es), and Motronic 1.1 (325i, 325is, 325i Convertible).
-Troubleshooting tips with fast, proven repair procedures used by BMW technicians and specialists.
-Hard to find service information from dealer service bulletins, such as how to replace the camshaft timing belt, sprocket and tensioner with the correct Z-127 update, and cylinder head bolt replacement on early 3 Series cars.
-Large, easy-to-read wiring schematics for all major circuits.
-Complete procedures and specifications for rebuilding these engines and transmissions:

Engines (engine code):
1.8 liter 4 cylinder (B18)
2.7 liter 6 cylinder (B27)
2.5 liter 6 cylinder (B25)

Getrag 240 (4 cylinder cars)
Getrag 260 (6 cylinder cars)

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I have been doing maintenance on my personally owned BMW's for over ten years now. The Bentley publications are the best resource available for any technician. Chilton and Haynes manuals or okay. The Bentley Book is far and away the best resource in my opinion. It will be the first book you grab when it comes time to get answers about broken BMW's.
This book lays out in clear straight forward language successful diagnostic strategies. As a bonus, it suggests when special tools will make challenging tasks easier. It even tells you what size wrench is needed.There is even a whole section devoted to fundamentals for novice mechanics. Save your self some time and money on your BMW maintenance. This book is a must for DIY's.



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