Positioning:
The E34 represented BMW's entry into the executive sedan market, known for its advanced technology, driving dynamics, and luxurious appointments for its era.
Competitors:
Competed directly with rivals like the Mercedes-Benz W124 E-Class, Audi V8, and Jaguar XJ.
Design Philosophy:
Evolved from the E28, the E34 featured a more aerodynamic design, improved chassis dynamics, and enhanced safety features.
Target Audience:
Professionals, executives, and driving enthusiasts seeking a blend of performance, comfort, and build quality.
Engine:
Detailed diagnosis, repair, and overhaul procedures for M20, M30, and M50 engines.
Transmission:
Manual and automatic transmission repair, adjustment, and replacement.
Electrical:
Comprehensive wiring diagrams, troubleshooting for electrical components, lighting, and accessories.
Suspension:
Front and rear suspension component diagnosis, repair, and alignment procedures.
Brakes:
Brake system inspection, repair, ABS system diagnostics, and component replacement.
Steering:
Power steering system repair, steering linkage diagnosis, and alignment.
Cooling System:
Radiator, fan, thermostat, and water pump service and repair.
Fuel System:
Fuel injection system diagnosis and repair, fuel pump and injector service.
Exhaust System:
Exhaust manifold, catalytic converter, and muffler repair and replacement.
Bodywork:
Body panel alignment, door and window mechanisms, interior trim removal and installation.
Climate Control:
HVAC system diagnosis, refrigerant service, heater core, and AC compressor repair.
Maintenance:
Regular service intervals, fluid changes, filter replacements, and inspections.
Troubleshooting:
Diagnostic charts, common problems and solutions, fault code interpretation.
Repair:
Step-by-step repair instructions for all major vehicle systems.
Disassembly Assembly:
Detailed instructions for removing and reinstalling components.
Adjustment:
Calibration and adjustment procedures for various systems.
Installation:
Procedures for installing new or replacement parts.
Depth:
Comprehensive coverage from basic maintenance to in-depth engine and transmission rebuilds.
Digital Format:
N/A (This is a print manual)
Paper Quality:
High-quality, durable paper stock suitable for workshop environments.
Binding:
Stapled, perfect bound, or comb-bound depending on the publisher.
Page Type:
Glossy or matte paper with clear, high-resolution illustrations and diagrams.
Engine Options:
1990 models typically featured the M20 inline-six (e.g., 520i, 525i), M30 inline-six (e.g., 530i, 535i), and the M50 inline-six (introduced later in the E34 lifecycle, but relevant for later models covered by general E34 manuals).
525I Performance:
Approx. 168-170 hp and 180-181 lb-ft torque (M20B25).
535I Performance:
Approx. 208-211 hp and 225-228 lb-ft torque (M30B34).
Injection Type:
Bosch Motronic electronic fuel injection.
Fuel Type:
Unleaded gasoline.
Crash Testing:
While formal NHTSA ratings for this era are less comprehensive, BMW's reputation for robust construction was a key selling point.
ABS:
Anti-lock Braking System (ABS) was standard or optional on most models.
Airbags:
Driver's side airbag became standard in later E34 production, potentially optional or unavailable on early 1990 models.
Seatbelts:
Front and rear seat belts with pre-tensioners.
Audio System:
Optional premium sound systems, often from Blaupunkt or BMW's own Hi-Fi systems.
Cruise Control:
Electronic cruise control was available on most models.
Early Features:
Features like climate control, power accessories, and optional heated seats were considered advanced for the time.
Oil Change:
Typically every 5,000-7,500 miles or annually, depending on driving conditions.
Spark Plugs:
Intervals vary by plug type, generally 30,000-60,000 miles.
Coolant Flush:
Recommended every 2-3 years or 30,000-50,000 miles.
Engine Oil:
API SG or higher, SAE 5W-30 or 10W-40 recommended (check owner's manual for specific viscosity).
Coolant:
BMW Blue or Green coolant (ethylene glycol-based) mixed 50/50 with distilled water.
Automatic Transmission Fluid:
ZF TE-ML 11A or 11B specification fluid (e.g., Dexron III equivalent).
Manual Transmission Fluid:
GL-4 or GL-5 rated gear oil, typically 75W-90.
Cooling System Leaks:
Common issue with plastic radiator end tanks and coolant hoses degrading over time.
Head Gasket:
Can be susceptible to failure, especially on higher-mileage M30 engines.
Oil Pan Gasket:
Frequent source of oil leaks due to age and material degradation.
Window Regulators:
Plastic components can break, leading to non-functional power windows.
ABS Sensors:
Wheel speed sensors can fail, triggering ABS warning lights.
Door Panel Clips:
Interior door panel clips can become brittle and break during removal.
Bmw Legacy:
BMW has a long history of producing sporty and luxurious sedans, with the 5 Series embodying the 'ultimate driving machine' ethos.
E34 Introduction:
The E34 replaced the E28 5 Series and was produced from 1988 to 1996, with the 1990 model year representing early production.
Manufacturing Location:
Primarily manufactured in Dingolfing, Germany.
E34 Variants:
Included sedan (4-door) and Touring (wagon) body styles, with various engine displacements and M-Sport variants.
