Segment Positioning:
The BMW E34 5 Series represented the executive sedan segment, known for its blend of luxury, performance, and sophisticated engineering.
Key Competitors:
Mercedes-Benz W124 E-Class, Audi V8 (D1), Lexus LS 400 (later in the E34's lifecycle)
Chassis Design:
The E34 introduced a more aerodynamic and refined chassis compared to its predecessor, the E28.
Engine Technology:
The M30 inline-six engine, a stalwart of BMW, provided robust performance and a characteristic smooth power delivery.
Value Proposition:
Empowers owners and technicians to perform all service and repair tasks, reducing reliance on costly dealership labor and ensuring proper maintenance.
Quality Standard:
Factory-type quality ensures accuracy and completeness, mirroring the documentation used by authorized BMW service centers.
Engine Mechanical:
Engine assembly, disassembly, cylinder head, piston, crankshaft, camshaft, valve train, timing components
Engine Electrical:
Ignition system, starting system, charging system, engine control unit (ECU), sensors, wiring diagrams
Fuel System:
Fuel injection system (Bosch Motronic), fuel pump, injectors, fuel lines, fuel pressure regulator
Transmission Manual:
Manual transmission (Getrag 260) disassembly, inspection, reassembly, clutch system
Transmission Automatic:
Automatic transmission (ZF 4HP22) disassembly, inspection, reassembly, torque converter, valve body, cooling
Drivetrain:
Driveshaft, universal joints, differential, rear axle assembly, limited-slip differential (optional)
Suspension:
Front and rear suspension components, shock absorbers, springs, control arms, bushings, sway bars
Steering:
Power steering system, steering rack, steering column, tie rods, hydraulic pump
Brakes:
Front and rear brake systems (vented discs), ABS (Anti-lock Braking System), brake calipers, master cylinder, brake lines, parking brake
Electrical System:
Battery, starter, alternator, lighting systems (headlights, taillights, interior), fuses, relays, power windows, locks, mirrors
Climate Control:
Air conditioning system, heater core, blower motor, climate control module, refrigerant service
Body And Trim:
Exterior body panels, doors, hood, trunk, bumpers, interior trim, upholstery, glass replacement
Diagnostics:
Troubleshooting guides, diagnostic trouble codes (DTCs) for engine and other systems
Routine Maintenance:
Oil changes, filter replacements, spark plug service, coolant flushes, brake fluid changes, belt replacements
Major Repairs:
Engine rebuilds, transmission overhauls, differential replacement, suspension overhauls, brake caliper replacement
Diagnostics And Troubleshooting:
Step-by-step diagnostic procedures for common and complex faults, fault code lookup and interpretation
Electrical Diagnosis:
Wiring diagram interpretation, component testing, circuit tracing
Component Replacement:
Detailed instructions for replacing virtually every component on the vehicle
Specifications And Tolerances:
Torque specifications, clearances, measurements, and critical tolerances for all repairs
Special Tools:
Identification and usage of specialized tools required for specific BMW repairs
Depth:
Comprehensive, from basic maintenance to complete engine and transmission rebuilds, including advanced diagnostics and electrical troubleshooting.
Engine Type:
Inline-six, naturally aspirated
Displacement:
3.430 cc (3.4 Liters)
Bore X Stroke:
92 mm x 86 mm
Compression Ratio:
8.0:1 or 8.5:1 (depending on market/year)
Horsepower:
Approx. 208-211 hp @ 5700 rpm
Torque:
Approx. 224-228 lb-ft (305-310 Nm) @ 4000 rpm
Fuel Delivery:
Bosch Motronic electronic fuel injection (EFI)
Fuel Type:
Unleaded gasoline (premium recommended)
Engine Control Unit:
Bosch Motronic M1.3 or M2.7
Coolant Type:
BMW Blue Antifreeze (or equivalent G48 ethylene glycol-based)
Oil Capacity:
Approx. 6.5 liters (with filter)
Recommended Oil Viscosity:
SAE 5W-30 or 5W-40 (check owner's manual for specific climate recommendations)
Standard Transmission Type:
Getrag 260 5-speed manual
Optional Transmission Type:
ZF 4HP22 4-speed automatic
Automatic Transmission Modes:
Standard and Sport modes (selected via shift lever)
Fluid Specifications Manual
Manual Transmission Fluid Type:
MTF LT-2 or equivalent GL-4 rated manual transmission fluid
Fluid Specifications Automatic
Automatic Transmission Fluid Type:
Dexron II or equivalent ATF fluid
Oil Change Interval:
Typically every 7,500-10,000 miles (12,000-16,000 km) or 12 months, depending on driving conditions and oil used.
Spark Plug Replacement:
Approx. 30,000-60,000 miles (48,000-96,000 km) for standard spark plugs; longer for platinum/iridium plugs.
Coolant Flush:
Every 2-3 years or 30,000-45,000 miles (48,000-72,000 km).
Transmission Fluid Change Automatic:
Recommended every 30,000-60,000 miles (48,000-96,000 km) or as specified by BMW.
Brake Fluid Type:
DOT 3 or DOT 4 recommended.
Power Steering Fluid:
BMW Power Steering Fluid (or Pentosin CHF 11S for later models/specific applications).
Common Wear Items:
Cooling system components (radiator, hoses, water pump), suspension bushings, fuel pump, starter motor, idle control valve.
E34 Specific Issues:
Headliner sagging, pixelation in the instrument cluster OBC (On-Board Computer), vacuum leaks, occasional valve cover gasket leaks.
Oil Filter Example:
Mann-Filter HU 816 x, Mahle OX 135, Bosch 0 451 103 036 (Verify with specific VIN)
Air Filter Example:
Mann-Filter C 35 130, Mahle LX 65, Bosch 1 457 433 034 (Verify with specific VIN)
Bmw Philosophy:
BMW's reputation for 'The Ultimate Driving Machine' was solidified with the E34's emphasis on performance, handling, and driver engagement.
E34 Generation:
The E34 was the third generation of the BMW 5 Series, succeeding the E28 and preceding the E39.
Design Influence:
Styled by chief designer Claus Luthe, the E34 featured a cleaner, more aerodynamic, and muscular design compared to its predecessor.
Key Developments:
Introduction of more sophisticated electronic systems, improved chassis dynamics, and a wider range of engine options over its lifespan.
Production Years Overall:
1987-1996
Manufacturing Locations:
Dingolfing, Germany; Rosslyn, South Africa; Austria; Mexico; Thailand