Target Audience:
Professional technicians, mechanics, and car enthusiasts seeking detailed repair and troubleshooting information for the BMW E34.
Value Proposition:
Offers comprehensive, factory-level diagnostic and repair data at a competitive price, with instant digital access.
Diagnostic Focus:
Emphasis on electronic troubleshooting and detailed wiring diagrams, crucial for modern vehicle repair.
Completeness:
The manual aims to provide complete information, mirroring original manufacturer data.
Engine Management:
Includes engine control systems, fuel injection (M50, S38, M30 engines) and fuel systems.
Powertrain:
Covers transmission service/repair (manual and automatic), differential, and drive axles.
Chassis And Suspension:
Detailed coverage of suspension, steering, brake systems, and chassis components.
Electrical And Electronics:
Extensive coverage of the electrical system, including comprehensive wiring diagrams and troubleshooting procedures for electronic systems.
Climate Control:
Covers heater and air conditioning systems, including troubleshooting and repair.
Safety And Restraint:
Includes information on the restraint system (airbags, seatbelts) and general safety hints.
Body And Interior:
Covers chassis/body repairs and interior component information.
Diagnostic Troubleshooting:
Provides detailed troubleshooting procedures for diagnosing faults across all vehicle systems, with a focus on electronic issues.
Routine Maintenance:
Includes general maintenance, periodic lubrication, and maintenance checklists/charts.
Component Repair Rebuild:
Offers service and repair procedures for major components like engine, transmission, brakes, and cooling system.
Electrical Diagnostics:
Includes in-depth electrical system diagnosis and repair, supported by comprehensive wiring diagrams.
Specifications Data:
Provides technical data, specifications, and tightening torques for various components.
Depth:
Comprehensive factory-level detail suitable for professional technicians and experienced DIY mechanics. Covers diagnosis, repair, and maintenance.
Digital Format:
PDF (Portable Document Format)
Quality:
Great Quality, Printable pages.
Binding:
Digital Download (Not Applicable for physical binding)
Paper Type:
Digital (Not Applicable for physical paper type)
525I 525It:
M50B25 (inline-6, 2.5L, DOHC, VANOS)
535I:
M30B35 (inline-6, 3.5L, SOHC)
M5 E34:
S38B36 (inline-6, 3.6L, DOHC)
525I Hp:
Approx. 189 hp @ 5900 rpm (M50B25)
535I Hp:
Approx. 208 hp @ 5700 rpm (M30B35)
M5 E34 Hp:
Approx. 310 hp @ 6600 rpm (S38B36)
Injection Type:
Bosch Motronic electronic fuel injection (specific version varies by engine)
Wheelbase Sedan:
Approx. 2761 mm (108.7 in)
Wheelbase Touring:
Approx. 2761 mm (108.7 in)
Curb Weight 525I:
Approx. 1500-1600 kg (3307-3527 lbs), varies by spec
Curb Weight M5:
Approx. 1700-1800 kg (3748-3968 lbs)
Historical Ratings:
E34 generation vehicles generally performed well in contemporary safety tests, though specific ratings may vary by market and testing agency.
ABS:
Anti-lock Braking System (ABS) typically standard or optional across models.
Airbags:
Driver's airbag became increasingly common during this period; passenger airbags were less common or optional.
Seatbelts:
Three-point inertia-reel seatbelts for all occupants.
Audio System:
Factory cassette or CD players, often with premium sound system options (e.g., HiFi).
Climate Control:
Manual or optional automatic climate control (ECC - Electronic Climate Control).
Cruise Control:
Standard on most models.
Onboard Computer:
Check Control system provides warnings for fluid levels, lights, and system faults.
Phone Integration:
Optional factory-installed cellular phone systems were available.
Oil Change Interval:
Typically every 10,000-15,000 miles or 12-24 months, depending on driving conditions and oil type. (Consult manual for specific recommendations)
Brake Fluid Flush:
Recommended every 2 years.
Coolant Flush:
Recommended every 2-3 years or 40,000-60,000 miles.
Engine Oil Spec:
SAE 5W-30 or 5W-40 synthetic recommended. Specific API or BMW LL-XX approval may be required. (Consult manual for precise spec)
Transmission Fluid Auto:
Dexron III or equivalent. (Consult manual for exact specification and capacity)
Coolant Spec:
BMW Blue or Green antifreeze concentrate mixed with distilled water (50/50 ratio). Check BMW specification (e.g., G48).
Cooling System Leaks:
Common issues include cracked plastic coolant expansion tanks, failing water pumps, and aged hoses.
Oil Pan Gasket Leaks:
Oil leaks from the oil pan gasket and oil filter housing are relatively common due to aged seals.
Vanos Issues:
On M50 engines, early VANOS (Variable Valve Timing) systems can develop issues with seals or solenoids causing rough idling or power loss.
ABS Sensor Failure:
ABS wheel speed sensors can fail, leading to ABS warning lights and loss of ABS functionality.
Biodegradable Wiring Harness:
Some wiring insulation can become brittle and degrade over time, requiring repair or replacement.
Bmw 5 Series Legacy:
The 5 Series has a long-standing reputation for executive comfort, sporting dynamics, and robust engineering.
E34 Generation:
The E34, produced from 1987 to 1996 (globally), represented a significant advancement in BMW's mid-size executive sedan and wagon offerings, featuring more aerodynamic styling and advanced technology for its era.
Production Years E34:
1987-1996 (global production for E34 chassis)
