Segment:
Luxury Grand Tourer (GT)
Target Audience:
Owners and independent repair shops specializing in high-performance and luxury vehicles.
Competitors:
Mercedes-Benz SL (R129), Porsche 928.
Bmw Philosophy:
Represents BMW's focus on performance, luxury, engineering excellence, and driver engagement in the GT segment.
Design Language:
Distinctive, aerodynamic coupe styling with frameless windows and a shark-nose front end.
Quality Claim:
Stated as 'Best Manual Available On Tradebit!', emphasizing superiority over incomplete or low-quality alternatives.
Diy Enablement:
Empowers owners to perform maintenance and repairs themselves, saving costs and ensuring proper upkeep.
Covered Years:
1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999
Covered Models:
All E31 Series models, including 840Ci, 850i, 850Ci, 850CSi
Estimated Pages:
Hundreds (specific number not provided, but described as 'hundreds of pages' and 'complete')
Type:
Service Repair Workshop Manual
Language:
English (implied by product description targeting a broad market)
Engine Mechanics:
Engine overhaul, component replacement, timing, lubrication, cooling system, fuel delivery, emissions control.
Engine Management:
Diagnosis, troubleshooting, ECU functions, sensor readings, ignition system, fuel injection systems (Bosch Motronic variants).
Transmission Manual:
Overhaul, clutch replacement, gear shift mechanisms, fluid changes, troubleshooting.
Transmission Automatic:
BMW's ZF automatic transmissions (e.g., 4HP24, 5HP30), hydraulic control, electronic management, service procedures, fluid and filter replacement.
Drivetrain:
Driveshaft, universal joints, rear axle assembly, differential service, limited-slip differential (LSD) specifics if applicable.
Suspension:
Front and rear suspension components, shock absorbers, springs, control arms, bushings, alignment specifications, self-leveling suspension (SLS) systems.
Steering:
Power steering system, hydraulic pump, steering rack/box, steering column, alignment procedures.
Brakes:
Hydraulic system, ABS (Anti-lock Braking System) diagnosis and repair, brake fluid, caliper service, rotor replacement, parking brake.
Electrical System:
Battery, charging system, starter, alternator, wiring diagrams for all circuits, fuse and relay identification.
Lighting:
Headlights, taillights, interior lighting, fog lights, bulb types and replacement procedures.
Comfort Systems:
Climate control (HVAC) system, automatic climate control (IHKA), heater core, A/C system service, blower motor, actuators.
Body And Chassis:
Body panel removal and installation, door mechanisms, window regulators, sunroof operation, interior trim, underbody components.
Interior Features:
Seat adjustment, dashboard removal, instrument cluster, audio system integration, power accessories.
Safety Systems:
Airbag system diagnosis and service, seat belt mechanisms, active safety features.
Routine Maintenance:
Oil and filter changes, fluid level checks and top-offs, spark plug replacement, air filter replacement, tire rotation.
Troubleshooting Guides:
Systematic diagnostic procedures for common and uncommon faults, fault codes interpretation (if applicable).
Repair Procedures:
Step-by-step instructions for component removal, repair, and reinstallation for all major vehicle systems.
Rebuilding Instructions:
Detailed guides for engine and transmission rebuilds, including torque specifications, clearances, and component tolerances.
Restoration Guidance:
Information relevant to restoring components, bodywork, and interior to original specifications.
Diagnostics:
Comprehensive diagnostic flowcharts and information for electrical and mechanical issues.
Wiring Diagrams:
Detailed, system-specific wiring schematics essential for electrical fault tracing.
Depth:
Expert-level, covering everything from basic maintenance to complete engine and transmission rebuilds, including advanced diagnostics.
Diagnostics Capability:
Advanced diagnostics for engine management, ABS, and other electronic systems.
Component Level Detail:
Detailed information on individual components, their function, and repair procedures.
Oil Change Interval:
Typically 10,000-15,000 miles (16,000-24,000 km) or annually, as per BMW's Condition Based Service (CBS) or fixed schedule depending on year.
Spark Plug Replacement:
Intervals vary by engine, e.g., M60 V8 ~30,000-60,000 miles, M70 V12 ~60,000 miles. Manual specifies exact intervals and plug types.
Transmission Service:
Automatic transmission fluid and filter change recommended every 60,000-100,000 miles. Manual specifies exact procedures and intervals.
Engine Oil Type:
BMW Longlife-98 (LL-98) or equivalent synthetic oil, typically 5W-30 or 10W-40, viscosity depending on climate. Manual will provide exact specifications.
Coolant Type:
BMW Blue Ethylene Glycol coolant (G48 or similar) mixed 50/50 with distilled water.
Brake Fluid Type:
DOT 4 or DOT 5.1 brake fluid.
Common E31 Issues:
Potential for Nikasil cylinder bore wear (early M60 engines), VANOS unit issues, ABS/ASC sensor failures, window regulator failures, door seal degradation, fuel pump issues, aging wiring harnesses, catalytic converter degradation.
Manual Coverage Of Issues:
The manual provides diagnostic and repair procedures for these common issues.
