🏷️ Basic Information Identification Make: BMW Models Covered: 5 Series, 6 Series Chassis Codes Covered: E12, E24, E28, E34 Model Variants Covered: 518, 520i, 524d, 525i, 528i, 530i, 533i, 535i, M535i, M5 (E28), 525e, 528e, 535i (E34), M5 (E34), 630CS, 633CSi, 635CSi, M635CSi Codes E Code E12 Years: 1972-1981 E Code E24 Years: 1976-1989 E Code E28 Years: 1979-1987 E Code E34 Years: 1987-1995 👋 Introduction Market Position Target Audience: Enthusiasts and owners of BMW E12, E24, E28, and E34 models undertaking restoration or extensive maintenance. Niche Appeal: Highly regarded classic BMW coupes and sedans with a dedicated following, making restoration manuals essential. Competitive Analysis Competitor Manuals: While official BMW workshop manuals exist, this specialized guide offers a focused approach to restoration, often with practical tips not found in OEM documents. Key Features Practical Advice: Emphasis on practical, hands-on techniques and advice from an experienced restorer. Model Cross Referencing: Covers a broad range of models and generations within the 5 and 6 Series, providing cross-applicability where relevant. Restoration Philosophy: Guides owners through the entire restoration process, from sourcing parts to final detailing. 📋 Manual Details Coverage Areas Restoration Focus: Comprehensive restoration of mechanical, electrical, and bodywork components. Acquisition Advice: Guidance on selecting and purchasing suitable donor vehicles. Engine Restoration: Detailed procedures for engine overhaul, tuning, and repair for various engine families. Bodywork And Chassis: Includes rust repair, panel replacement, corrosion prevention, suspension, and steering system restoration. Electrical System: Troubleshooting and repair of wiring harnesses, lighting, instrumentation, and auxiliary systems. Interior Restoration: Advice on upholstery, dashboard, trim, and sound deadening. Brakes And Drivetrain: Repair and overhaul of braking systems, transmission, differential, and driveshafts. Page Count Estimated Page Count: 250-300 pages (estimated based on comprehensive coverage) Manual Type Manual Type: Restoration Guide / Technical Manual Language Language: English Format Format: Printed Book 📖 Manual Coverage Systems Covered Engine Families: M10 (4-cylinder), M20 (6-cylinder), M30 (6-cylinder), M88/S38 (6-cylinder performance), M21 (Diesel) Fuel Delivery: Carbureted (Zenith, Solex) and Fuel Injection (Bosch L-Jetronic, K-Jetronic, Motronic) systems. Cooling System: Radiator, water pump, thermostat, heater core, and associated plumbing. Exhaust System: Catalytic converters, mufflers, exhaust manifolds, and pipework. Transmission Systems: Getrag 4-speed, 5-speed manual transmissions, and ZF automatic transmissions. Suspension And Steering: MacPherson struts, trailing arms, wishbones, power steering systems, and steering racks. Braking System: Disc brakes (front and rear), ABS systems (where applicable), brake lines, and master cylinder. Electrical Components: Alternator, starter motor, battery, ignition system (points, electronic), ECUs (Motronic), fuse boxes, relays. Body And Trim: Door mechanisms, window regulators, sunroofs, bumpers, grilles, and badging. Procedures Included Engine Rebuild: Complete engine disassembly, cleaning, inspection, component replacement (pistons, rings, bearings, valves), and reassembly with torque specifications. Transmission Overhaul: Manual transmission gearset inspection and replacement, clutch assembly, and automatic transmission valve body and torque converter service. Suspension Reconditioning: Replacement of bushings, ball joints, tie rod ends, shock absorbers, and springs. Brake System Repair: Brake pad and rotor replacement, caliper rebuilding, brake line flaring and replacement, and bleeding procedures. Electrical Troubleshooting: Diagnostic techniques using multimeters, wiring diagrams interpretation, and common fault finding for ignition, fuel injection, and lighting. Body Panel Replacement: Techniques for cutting out rusted metal, welding new panels, fitting fenders, doors, hood, and trunk lids. Interior Refurbishment: Seat repair, headliner replacement, dashboard crack repair, and gauge cluster refurbishment. Fuel System Service: Fuel pump testing, injector cleaning (where applicable), carburetor adjustment and rebuilding. Technical Depth Depth Level: Advanced restoration and comprehensive repair, suitable for experienced DIY mechanics and professional restorers. Diagrams And Illustrations: Likely includes detailed diagrams, exploded views, and step-by-step illustrations for complex procedures. Torque Specifications: Extensive torque values for engine, chassis, and driveline components. Wiring Schematics: Inclusion of electrical wiring diagrams for various models and options. Troubleshooting Guides: Diagnostic flowcharts and symptom-based troubleshooting for common issues. 📊 Manual Specifications File Format File Format: Printed Book Print Quality Print Quality: Professional quality printing with clear text and images suitable for workshop use. Binding Type Binding Type: Perfect bound or stitched paperback, designed for durability. Paper Type Paper Type: Durable, possibly gloss or semi-gloss paper suitable for diagrams and frequent handling. ⚙️ Engine Specifications Primary Engine Common Engines E12: M10B20 (2.0L I4), M30B25 (2.5L I6), M30B28 (2.8L I6) Common Engines E24: M30B30 (3.0L I6), M30B32 (3.2L I6), M30B33 (3.3L I6), M30B35 (3.5L I6), S38B35 (3.5L I6 DOHC - M6/M635CSi) Common Engines E28: M10B18 (1.8L I4), M20B20 (2.0L I6), M20B23 (2.3L I6), M20B25 (2.5L I6), M30B32 (3.2L I6), M30B34 (3.4L I6 - M5), M88/S38 (3.5L I6 DOHC - M5) Common Engines E34: M20B20 (2.0L I6), M20B25 (2.5L I6), M30B30 (3.0L I6), M30B35 (3.5L I6), M50B20 (2.0L I6 DOHC), M50B25 (2.5L I6 DOHC), S38B36 (3.6L I6 DOHC - M5), S38B38 (3.8L I6 DOHC - M5) Common Engines E34 Diesel: M21D24 (2.4L I6 Turbo Diesel) Performance Power Range: Approximately 90 hp (518, M10) to 315 hp (S38B38 - E34 M5). Torque...