Segment:
Executive Sedan/Luxury Mid-size Car
Reputation:
Renowned for its driving dynamics, build quality, and advanced engineering
Key Competitors:
Mercedes-Benz W124 E-Class, Audi V8/A8, Lexus LS 400, Jaguar XJ
Driving Dynamics:
Exceptional ride comfort, precise handling, powerful engine options
Engineering:
Sophisticated independent suspension, robust chassis, advanced electronics for its era
Interior:
Driver-focused cockpit, high-quality materials, ergonomic design
Covered Model Years:
1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996
Estimated Page Count:
1500+
Manual Type:
Complete Workshop Service Repair Manual
Engine:
All engine variants including M20, M30, M50, M60, S38
Transmission:
Manual and Automatic Transmissions
Drivetrain:
Rear-wheel drive, differentials, driveshafts
Suspension:
Front and rear suspension, shock absorbers, springs, bushings
Brakes:
ABS, front and rear disc brakes, hydraulic system
Steering:
Power steering system, steering rack/box
Electrical:
12V electrical system, battery, alternator, starter, lighting, ignition, instrumentation, ECUs
Fuel System:
Fuel injection (DME), fuel pump, injectors, fuel lines
Cooling System:
Radiator, water pump, thermostat, hoses, fan
Exhaust System:
Catalytic converters, mufflers, pipes
Climate Control:
HVAC system, A/C, heater core, blower motor
Body:
Body panels, doors, windows, sunroof, interior trim
Safety Systems:
Airbags (if equipped), seat belts
Maintenance:
Routine maintenance, oil changes, filter replacements, fluid checks
Troubleshooting:
Diagnostic procedures, common faults and fixes
Repair:
Component removal, installation, and overhaul
Diagnostics:
Electrical system diagnostics, engine management system diagnostics
Specifications:
Torque specifications, clearances, measurements
Depth:
Comprehensive from basic maintenance to complete engine and transmission rebuilds
Engine Lineup:
Inline-4, Inline-6, V8
Common Engines:
M50B20 (2.0L), M50B25 (2.5L), M30B35 (3.5L), M60B30 (3.0L V8), M60B40 (4.0L V8)
Hp Range:
129 hp (2.0L) to 315 hp (S38B36 M5)
Torque Range:
180 Nm (2.0L) to 410 Nm (S38B36 M5)
Injection System:
Bosch Motronic Electronic Fuel Injection (DME)
Fuel Type:
Unleaded Gasoline
ECU Types:
Motronic M1.3, M1.7, M1.7.2, M1.7.3, DME M3.3, M3.3.2, M3.8.0
Crash Test Era:
Early to mid-1990s standards
ABS:
Standard on most models from 1990 onwards
Traction Control:
Optional (ASC/ASC+T) on some models
Airbags:
Driver airbag standard from 1994, optional earlier. Passenger airbag optional.
Seatbelts:
3-point inertia reel seatbelts front and rear
Body Structure:
Reinforced safety cell, crumple zones
Oil Change Interval:
Typically 10,000-15,000 km (6,000-9,000 miles) or annually, depending on driving conditions and oil type (check manual for specific recommendations).
Coolant Flush:
Every 2-3 years or 30,000-50,000 km
Spark Plugs:
Varies by plug type (e.g., 30,000-100,000 km for standard vs. long-life plugs)
Engine Oil Type:
API SG or higher, viscosity typically 5W-30, 5W-40, 10W-40, 10W-50 (refer to manual for engine-specific recommendations)
Coolant Type:
BMW Blue or Green ethylene glycol-based antifreeze, mixed 50/50 with distilled water
Transmission Fluid Manual:
GL-4 or GL-5 gear oil (specific viscosity depends on transmission model)
Transmission Fluid Automatic:
ZF Lifeguardfluid 4 or equivalent (e.g., Dexron III/Mercon for some)
Cooling System Leaks:
Cracked plastic coolant expansion tanks, failing water pumps, and porous radiator cores are common.
Oil Pan Gasket Leaks:
Rear main seal and oil pan gasket leaks are frequent due to age and material degradation.
Suspension Bushings:
Worn control arm bushings, trailing arm bushings, and sway bar bushings can affect handling and ride comfort.
ABS Sensor Failure:
ABS wheel speed sensors often fail, leading to ABS and sometimes speedometer malfunction.
Heater Control Valve:
Failure of the heater control valve can result in no heat or constant heat.
Maintenance Schedule Detail
Engine Check:
Regular checks for oil leaks, coolant leaks, and unusual noises.
Electrical Checks:
Inspection of wiring harnesses, battery terminals, and alternator output.
Brand Focus:
Premium automobiles known for performance, luxury, and engineering excellence
Predecessor:
BMW E28 5 Series
Successor:
BMW E39 5 Series
Design Philosophy:
Evolved from the E28 with a more aerodynamic and modern design, improved interior space, and enhanced comfort features.
Manufacturing Locations:
Dingolfing, Germany; Rosslyn, South Africa
Production Volume:
Approx. 649,900 units across all variants
