Target Audience:
BMW 5 Series E34 owners, DIY enthusiasts, independent repair shops
Value Proposition:
Provides professional-level repair and maintenance knowledge, enabling significant savings on labor costs ($50-$60/hour)
Authenticity:
Actual genuine factory repair manuals, not third-party publications
Searchability:
Search function for quick information retrieval
Usability:
Easy to use, no advanced computer skills required for viewing and printing
Content Organization:
Numbered table of contents for fast information access
Completeness:
Covers all aspects of repair and maintenance for the specified model year
Primary Coverage:
Complete factory service and repair
Specific Models Covered:
All E34 5 Series variants for 1990 model year
Estimated Page Count:
Hundreds of pages (exact count not specified, but described as 'complete')
Type:
Factory Service Repair Manual
Engine Mechanical:
Engine service, repair, rebuilding, tuning
Engine Management:
Engine Control System (DME/ECU), Fuel Injection, Emission System
Transmission:
Transmission service and repair (manual and automatic)
Drivetrain:
Differential, Axle, Drive components
Brakes:
Brake System service and repair
Suspension:
Suspension system diagnosis and repair
Steering:
Steering system service and repair
Cooling:
Cooling System maintenance and repair
Fuel System:
Fuel Injection, Fuel System service and repair
Electrical:
Electrical System diagnosis and repair, Wiring Diagrams
HVAC:
Heater and Air Conditioning system service
Body Chassis:
Chassis and Body repair, Interior components
Safety Restraint:
Restraint System (e.g., airbags, seatbelts) information
Maintenance:
General Maintenance, Periodic Lubrication, Scheduled Service
Troubleshooting:
Troubleshooting, Diagnostic Procedures, Fault Finding
Repair Rebuild:
Step-by-step repair and rebuilding procedures for all covered systems
Diagnostics:
Advanced troubleshooting guide for problem diagnosis
Depth:
Comprehensive factory-level detail, suitable for professional technicians and knowledgeable owners
Instruction Style:
Step-by-step instructions with detailed substeps, notes, cautions, and warnings
Visual Aids:
Includes illustrations, diagrams, photos, and enlarged inset views for clarity
Compatibility:
All PC-based Windows operating systems and Mac
Printability:
Printable without restriction (full manual or selected pages)
Resolution:
High resolution
Binding:
N/A (Digital download, printable)
Paper Type:
N/A (Digital download, printable)
Delivery Method:
Instant download link after payment
Software:
Adobe PDF Reader
Engine Options 1990:
Likely includes M20 (520i) and M30 (525i, 530i, 535i) inline-6 engines. M50 inline-6 may have been introduced for some models. Specific engine variants would depend on market. The manual is expected to cover these.
Engine Displacement Examples:
2.0L (M20B20), 2.5L (M20B25 / M50B25), 3.0L (M30B30), 3.5L (M30B35)
Horsepower Torque Examples:
Varies by engine. e.g., 525i (M20) approx. 170 hp, 535i (M30) approx. 211 hp. Manual will provide exact specifications.
Fuel Delivery:
Bosch Motronic electronic fuel injection (EFI)
Fuel Type:
Unleaded gasoline
Transmission Options:
5-speed manual transmission, 4-speed automatic transmission (e.g., ZF 4HP22)
Transmission Features:
Some later E34 models and sport variants may have had different automatic transmission options. The manual will specify.
Transmission Fluid Type:
Varies by transmission type (e.g., Dexron III for automatic). Manual will specify exact BMW part numbers and specifications.
Wheelbase:
Approx. 2794 mm (110 inches)
Length:
Approx. 4734 mm (186.4 inches) for Sedan
Width:
Approx. 1751 mm (68.9 inches)
Height:
Approx. 1410 mm (55.5 inches) for Sedan
Curb Weight:
Varies by model, typically between 1500-1650 kg (3300-3650 lbs)
Gross Vehicle Weight Rating:
Specified in manual, varies by model and equipment
Safety Standard:
E34 was designed to meet European safety standards of the late 1980s/early 1990s. Specific US NHTSA/IIHS ratings for 1990 may not be readily available but are implied by factory design.
Active Safety Systems:
Anti-lock Braking System (ABS) standard on most models, optional on some.
Passive Safety Features:
Crumple zones, reinforced passenger cell, driver airbag (optional on some models), seatbelt pre-tensioners.
Audio System:
Factory radio/cassette or CD player options, often with premium sound system options (e.g., Blaupunkt, Harman Kardon).
Navigation:
Early GPS navigation systems were optional on later E34 models, but unlikely to be standard or widely available on a 1990 model.
Traction Control:
Optional on some models (ASC/ASC+T)
Connectivity Features:
Limited to basic audio connectivity. No modern Bluetooth or USB connectivity from factory.
Oil Change Interval:
Typically 10,000-15,000 miles or 1 year. Manual will provide specific recommendations based on driving conditions.
Brake Fluid Flush:
Every 2 years (standard for most European manufacturers)
Coolant Change:
Every 2-3 years or specified mileage
Engine Oil Type:
Synthetic or semi-synthetic oils, e.g., BMW Longlife-98 or Longlife-01 specifications (or equivalent viscosity like 5W-30, 10W-40 depending on climate). Manual will specify exact BMW oil part numbers and viscosity recommendations.
Coolant Type:
Ethylene glycol based coolant. Manual will specify BMW G48 or equivalent.
Power Steering Fluid:
Typically CHF 11S or Dexron III/Mercon equivalent. Manual will specify exact BMW part number.
Common E34 Issues:
Cooling system components (radiator, water pump, hoses), oil pan gasket leaks, vacuum leaks, fuel pump failure, ABS sensor issues, window regulator failures, heater control valve issues, vanos (on later M50 engines).
Bmw Heritage:
BMW has a long-standing reputation for producing sporty, driver-focused luxury sedans and wagons.
E34 Introduction:
The E34 generation replaced the E28 5 Series and was introduced in 1988 in Europe and 1989 in North America.
E34 Design Philosophy:
Characterized by a sleeker, more aerodynamic design than its predecessor, improved chassis dynamics, and advanced (for the time) electronics.
Production Years:
1988-1996
Manufacturing Locations:
Primarily Dingolfing, Germany.
