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BMW M5 E28 – OEM Workshop & Repair Manuals (PDF & USB)
The BMW M5 E28 is a legendary classic that defined the high-performance sports sedan segment in the 1980s. Powered by the renowned M88 inline-six engine, the E28 M5 combined race-bred technology with street usability, making it an icon among enthusiasts and collectors.
These official BMW M5 E28 factory service manuals offer detailed guidance for maintenance, repair, and restoration. Whether you’re rebuilding the M88 engine, servicing the manual transmission, or troubleshooting classic electrical systems, these OEM manuals deliver factory-accurate instructions. Available in convenient searchable PDF format or on reliable USB flash drives, they’re perfect for vintage M5 owners and restorers.
Engine & Drivetrain Service – M88 Inline-Six
Complete engine overhaul procedures for the M88 3.5L inline-six
Timing chain and valve adjustment specifications
Carburetor and fuel injection system servicing (Bosch K-Jetronic)
Cooling system, lubrication, and ignition system maintenance
Transmission repair guides for 5-speed manual gearbox and clutch servicing
Chassis, Suspension & Brakes
Front and rear suspension servicing including MacPherson struts and semi-trailing arms
Brake system maintenance for ventilated discs and drum rear brakes
Steering rack servicing and alignment specifications
Repair procedures for classic E28 chassis components and mounting points
Restoring original ride height and handling characteristics
Electrical Systems & Wiring Diagrams
Complete wiring schematics for E28 M5 including ignition, lighting, and instrumentation
Bosch fuel injection and ignition module diagnostics
Battery, alternator, and starter circuit troubleshooting
Classic analog gauge cluster servicing and repair
Electrical fault-finding for period-specific wiring harnesses
Body & Interior Maintenance
Door, window, and lock mechanism repair guides
HVAC system servicing for vintage heating and ventilation units
Interior trim and seat repair with original specifications
Convertible and sunroof wiring and mechanical servicing (if applicable)
Classic audio system wiring and component servicing
Restoration & Preservation Tips
Authentic factory specifications for paint, trim, and hardware
Guidelines for maintaining originality while upgrading critical systems
Sourcing OEM replacement parts and compatible modern upgrades
Tips on preserving engine performance and drivetrain reliability
Advice on classic car electronics integration with modern diagnostic tools
Format Options
✅ PDF Download – Instant, searchable, and printable for convenient use
✅ USB Flash Drive – Portable and perfect for workshops without internet access
Ideal For
Classic car restorers and vintage BMW enthusiasts
Independent mechanics specializing in vintage BMWs
DIY owners maintaining or restoring original E28 M5 condition
Collectors seeking accurate, factory-correct service documentation