The BMW Repair Manual: 3 Series (E30): 1984-1990 is a 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 systems on 3 Series cars.. BMW E30 models and engines covered in this BMW repair manual: * 318i (M10, 1.8 liter engine) * 325/e/es (M20, 2.7 liter engine) * 325/i/is/Convertible (M20, 2.5 liter engine) BMW E30 transmissions covered in this BMW repair manual: * Getrag 240 (4-cylinder cars) * Getrag 260 (6-cylinder cars)