Engine Mechanical:
Complete overhaul, diagnosis, repair, rebuilding of all engine components.
Engine Electrical:
Ignition system, fuel injection, sensors, actuators, ECU diagnosis, wiring diagrams.
Transmission Manual:
Clutch, gearbox components, linkage, fluid changes, repair procedures.
Transmission Automatic:
Torque converter, valve body, planetary gears, electronic controls, fluid service.
Drivetrain:
Driveshafts, CV joints, differential, rear axle assembly, wheel bearings.
Suspension:
Springs, shock absorbers, control arms, bushings, steering knuckles, alignment specifications.
Steering:
Power steering system, steering rack, tie rods, steering column.
Brakes:
Brake hydraulics, ABS system, brake pads, rotors, calipers, lines, bleeding procedures.
Cooling System:
Radiator, water pump, thermostat, hoses, fan assembly, coolant specifications.
Fuel System:
Fuel tank, fuel pump, fuel injectors, fuel pressure regulator, evaporative emission control (EVAP).
Exhaust System:
Exhaust manifolds, catalytic converter, mufflers, pipes, oxygen sensors.
Electrical System:
Battery, alternator, starter, lighting, wipers, horn, power windows, central locking.
Climate Control:
HVAC system, A/C compressor, refrigerant, blower motor, control panel.
Body Exterior:
Body panels, doors, hood, trunk, bumpers, glass, trim.
Body Interior:
Seats, dashboard, door panels, carpeting, headliner, trim components.
Diagnostic Troubleshooting:
Step-by-step diagnostic procedures for common and uncommon faults, symptom-based troubleshooting.
Routine Maintenance:
Oil changes, filter replacements, fluid checks and top-offs, tire rotations.
Scheduled Maintenance:
Detailed schedules for all factory-recommended maintenance tasks.
Component Replacement:
Instructions for replacing wear items like brake pads, belts, hoses, spark plugs.
Major Repairs:
Engine rebuilds, transmission overhauls, suspension component replacement.
Electrical Diagnostics:
Troubleshooting electrical circuits, sensor testing, ECU reprogramming (if applicable).
Bodywork Repair:
Dent removal, panel replacement, rust repair techniques (may be limited).
Wheel Alignment:
Adjustment procedures and specifications for caster, camber, and toe.
Air Conditioning Service:
Refrigerant handling, leak detection, component service.
Depth Level:
Comprehensive: Covers everything from basic maintenance to complete engine and transmission rebuilds.
Diagnostic Tools:
Details on using factory or aftermarket diagnostic tools (e.g., BMW GT1, INPA) for code reading and live data.
Torque Specifications:
Extensive listing of all critical torque values for engine, chassis, and body fasteners.
Wiring Diagrams:
Detailed, color-coded wiring schematics for all electrical systems.
Special Tools:
Identification and use of specialized BMW tools required for specific repair procedures.
Oil Change Interval:
Typically every 7,500-10,000 miles or 12-15,000 km, depending on driving conditions and oil used, often indicated by the Condition Based Service (CBS) system.
Spark Plug Replacement:
Every 60,000 miles (100,000 km) for standard plugs, or longer for platinum/iridium.
Coolant Flush:
Every 2-3 years or approximately 30,000 miles.
Engine Oil Type:
BMW Longlife-01 (LL-01) or LL-98 approved synthetic oil, SAE 5W-30 or 5W-40 recommended.
Engine Oil Capacity:
6.5 US quarts (6.2 liters) with filter change.
Coolant Type:
BMW Blue Antifreeze/Coolant (G48 ethylene glycol based) mixed 50/50 with distilled water.
Transmission Fluid Manual:
SAE 75W-90 synthetic gear oil (API GL-4 or GL-5, check specific BMW specs).
Transmission Fluid Automatic:
BMW ATF LT-3 (or equivalent with Dexron III/VI compatibility, consult manual for exact spec).
Brake Fluid:
DOT 4 (BMW recommends Brake Fluid DOT 4 HIGH PERFORMANCE).
Power Steering Fluid:
BMW Power Steering Fluid (or Pentosin CHF 11S).
Cooling System Failures:
Common failures include plastic expansion tanks cracking, water pump failure (plastic impeller), and thermostat housing leaks.
Vanos System:
desgaste de las juntas tóricas y solenoides VANOS pueden causar ralentí inestable, pérdida de potencia y ruidos de traqueteo.
Oil Leaks:
Valve cover gaskets, oil pan gaskets, and oil filter housing gaskets are prone to leaks due to age and material degradation.
Subframe Mounts:
Rear subframe mounting bushings can deteriorate, leading to clunking noises and handling issues.
Window Regulators:
Plastic components in window regulator mechanisms are known to break.
ABS Wheel Speed Sensors:
Sensors can fail, triggering ABS and DSC warning lights.
Ccv System:
The Crankcase Ventilation (CCV) system can clog, leading to increased oil consumption and potential gasket leaks.