Engine Maintenance:
All maintenance and general instructions pertaining to the engine
Motor Repair:
Detailed repair procedures for the motor/engine
Engine Electrics:
Comprehensive coverage of engine electrical systems and components
Fuel Preparation And Control:
In-depth explanation of fuel injection, mixture control, and related systems
Fuel Tank And Lines:
Maintenance, inspection, and repair of the fuel tank and associated lines
Radiator And Cooling:
Cooling system diagnostics, repair, and maintenance, including the radiator
Exhaust System:
Repair and replacement procedures for the exhaust system
Clutch System:
Detailed information on clutch inspection, adjustment, and repair
Gearbox And Drivetrain:
Repair and maintenance of the gearbox and related drivetrain components
Drive Chain And Shafts:
Procedures for servicing drive shafts and related components
Steering System:
Diagnostic and repair procedures for the steering system
Rear Wheel Drive:
Specific information related to the rear-wheel-drive axle and components
Brake System:
Comprehensive coverage of brake system maintenance, repair, and diagnostics
Wheels And Tires:
Information on wheel balancing, tire replacement, and related procedures
Frame And Chassis:
Structural repair and maintenance guidance for the frame and chassis
Equipment And Accessories:
Service and repair for various vehicle equipment and accessories
General Electrical Equipment:
Coverage of the vehicle's general electrical systems beyond the engine
Instruments And Gauges:
Diagnosis and repair of the instrument cluster and associated gauges
Lighting System:
Repair and maintenance of headlights, taillights, and other lighting components
Preventative Maintenance:
Detailed schedules and procedures for routine maintenance tasks
Diagnostic Troubleshooting:
Step-by-step troubleshooting guides for common and uncommon issues
Component Removal Installation:
Instructions for the removal and installation of major and minor vehicle components
Adjustment Procedures:
Guidance on necessary adjustments for various systems (e.g., clutch, brakes)
Depth Of Coverage:
Comprehensive, covering from basic maintenance to in-depth repairs and diagnostics
Primary Engine Variant E31 1990
Engine Code:
M60B30 (3.0L) / M60B40 (4.0L)
Horsepower Approx:
215 hp @ 5800 rpm
Torque Approx:
290 Nm (214 lb-ft) @ 4500 rpm
Horsepower Approx:
295 hp @ 5600 rpm
Torque Approx:
410 Nm (302 lb-ft) @ 4100 rpm
Fuel Delivery:
Bosch Motronic Electronic Fuel Injection (EFI)
Configuration:
V8 (3.0L and 4.0L)
Displacement 3.0L:
2986 cc
Displacement 4.0L:
3982 cc
Audio System:
High-fidelity BMW stereo systems, often with cassette player and optional CD changer.
Climate Control:
Automatic climate control with dual-zone functionality available
Cruise Control:
Standard electronic cruise control
Park Distance Control:
Optional Park Distance Control (PDC) was introduced in later E31 models, but likely not standard on 1990 models.
Telematics:
Basic telematics systems were not prevalent. Focus on in-car comfort and driving.
Service Intervals Engine Oil
Interval Type:
Variable (based on driving conditions, typically 10,000-15,000 miles or annually)
Fluid Specifications Engine Oil
Recommended Viscosity:
Typically 5W-30 or 5W-40 synthetic, refer to owner's manual for precise specification
Fluid Specifications Coolant
Type:
BMW Blue Coolant (G48 ethylene glycol based)
Fluid Specifications Brake Fluid
E31 Common Issues Overview:
While a robust vehicle, common E31 issues can include ABS sensor failures, cooling system component degradation (hoses, radiator), headlight motor failures, door seal aging, and potential for VANOS issues on later models (though less common on early M60).
Oil Filter 3.0L M60:
e.g., Mann-Filter HU 716/2 x or equivalent BMW part number
Oil Filter 4.0L M60:
e.g., Mann-Filter HU 718/1 x or equivalent BMW part number
Bmw Philosophy:
Renowned for engineering excellence, performance, and driver engagement.
E31 Introduction:
Introduced in 1989 as a successor to the E24 6 Series, aiming for a higher luxury and performance segment.
E31 Production Years:
1989-1999
Manufacturing Plant:
Dingolfing Plant, Germany