Segment:
Executive Sedan and Wagon
Bmw Positioning:
The E39 represented BMW's commitment to superior driving dynamics, advanced engineering, and luxurious appointments in the mid-size luxury segment.
Competitors:
Mercedes-Benz E-Class (W210), Audi A6 (C5), Lexus GS, Jaguar S-Type
Driving Dynamics:
Renowned for its balanced chassis, precise steering, and engaging driving experience, often lauded as a benchmark in its class.
Engineering Quality:
Robust build quality, high-quality materials, and sophisticated powertrain options.
Design Language:
Timeless, elegant exterior and interior design that has aged well.
Engine:
Complete engine diagnostics, repair, overhaul, and tuning for all E39 variants (M52, M54, M62 families)
Fuel System:
Fuel injection, fuel pump, fuel filter, fuel pressure regulator, evaporative emission control (EVAP)
Ignition System:
Ignition coils, spark plugs, crankshaft position sensor, camshaft position sensor, DME (Digital Motor Electronics)
Cooling System:
Radiator, water pump, thermostat, hoses, expansion tank, cooling fan operation
Exhaust System:
Exhaust manifolds, catalytic converters, mufflers, oxygen sensors, exhaust gas recirculation (EGR) system (where applicable)
Transmission Manual:
Clutch operation, transmission disassembly, assembly, fluid changes, seals, synchros
Transmission Automatic:
Automatic transmission (e.g., GM 5L40-E, ZF 5HP series) diagnostics, repair, fluid and filter service, solenoid operation
Drivetrain:
Driveshaft, CV joints, differential, rear axle assembly, wheel bearings
Suspension:
Front and rear suspension components, shock absorbers, struts, control arms, bushings, springs, anti-roll bars
Steering:
Power steering system, steering rack, tie rods, steering column, power steering fluid
Brakes:
Brake system diagnostics, hydraulic components, ABS (Anti-lock Braking System), DSC (Dynamic Stability Control), brake pad/rotor replacement, brake fluid flush
Electrical System General:
Battery, alternator, starter motor, fuses, relays, wiring diagrams
Body Electrical:
Lighting systems (headlights, taillights, interior), power windows, power mirrors, central locking, horn
Climate Control:
HVAC (Heating, Ventilation, and Air Conditioning) system, refrigerant servicing, blower motor, evaporator, condenser, climate control module
Body And Interior:
Door panels, seat removal, dashboard removal, interior trim, exterior body panels, bumper repair, door glass replacement
Chassis And Frame:
Frame inspection, unibody structure analysis
Routine Maintenance:
Oil and filter changes, air filter replacement, cabin air filter replacement, spark plug replacement, fluid level checks and top-offs
Troubleshooting:
Diagnostic trouble codes (DTCs), symptom-based troubleshooting, electrical system diagnostics
Repair Procedures:
Step-by-step instructions for component removal, installation, and adjustment
Rebuilding Procedures:
Engine rebuild procedures, transmission rebuild procedures (where applicable)
Component Testing:
Testing of electrical components, sensors, actuators, and mechanical systems
Specifications:
Torque specifications, clearances, timing procedures, diagnostic values
Depth Of Coverage:
Comprehensive (from basic maintenance to full engine and transmission rebuilds)
Diagnostic Capabilities:
Detailed diagnostic procedures and troubleshooting guides for complex systems
Wiring Diagrams:
Included for all major electrical systems
Oil Change Interval:
Typically every 7,500 - 10,000 miles or as indicated by the Condition Based Service (CBS) system.
Air Filter Replacement:
Every 30,000 miles or as needed based on driving conditions.
Cabin Filter Replacement:
Every 15,000 - 30,000 miles or annually.
Spark Plug Replacement:
M52TU/M54: ~100,000 miles. M62TU: ~60,000 miles (depending on plug type).
Brake Fluid Flush:
Every 2 years regardless of mileage.
Engine Oil:
BMW Longlife-98 (LL-98) or Longlife-01 (LL-01) synthetic oil, typically SAE 5W-30 or 5W-40.
Coolant:
BMW Blue coolant or equivalent ethylene glycol-based antifreeze, mixed 50/50 with distilled water.
Transmission Fluid Auto:
GM Dexron III/VI for GM transmissions, ZF Lifeguardfluid5 or equivalent for ZF transmissions (check specific model).
Transmission Fluid Manual:
BMW MTF LT-1 or equivalent manual transmission fluid (check specific type).
Power Steering Fluid:
BMW Power Steering Fluid or Pentosin CHF 11S (check owner's manual).
Cooling System Failures:
Plastic cooling system components (e.g., expansion tank, thermostat housing, water pump impellers) are prone to cracking and failure due to age and heat cycles.
Oil Vanos Seals:
Degradation of VANOS (Variable Valve Timing) O-rings can lead to rough idle, loss of power, and increased fuel consumption.
Oil Pan Gasket:
Leaking oil pan gaskets are common due to aging seals.
Ccv System:
Crankcase Ventilation (CCV) system failure can lead to oil consumption and pressure issues.
Window Regulators:
Plastic components in window regulator mechanisms can break, leading to inoperable windows.
ABS Wheel Speed Sensors:
Failure of ABS wheel speed sensors can trigger ABS and DSC warning lights.
Ignition Coils And Spark Plugs:
While generally reliable, these components do wear and can cause misfires.
