Engine Mechanical:
Complete disassembly, inspection, repair, and reassembly of M52B25 engine components (block, cylinder head, pistons, crankshaft, camshafts, valvetrain).
Engine Electrical:
Ignition system, fuel injection system (DME), sensor diagnostics, wiring diagrams, starter motor, alternator.
Transmission Manual:
Clutch operation, gear shifting mechanisms, gearbox disassembly and reassembly, gear ratios.
Transmission Automatic:
Automatic transmission operation, hydraulic control, valve body, torque converter, electronic control unit (TCU) diagnostics, fluid service.
Suspension:
Front and rear suspension components (struts, shocks, control arms, bushings, springs), alignment specifications.
Brakes:
Brake system diagnosis, ABS system, hydraulic lines, brake pads, rotors, calipers, parking brake.
Steering:
Power steering system, steering rack, tie rods, steering column, alignment.
Cooling System:
Radiator, water pump, thermostat, hoses, coolant specifications, fan clutch.
Fuel System:
Fuel pump, fuel filter, fuel injectors, fuel pressure regulator, EVAP system.
Exhaust System:
Exhaust manifold, catalytic converter, mufflers, pipes, oxygen sensors.
Electrical System:
Battery, charging system, lighting, fuses, relays, body control module (BCM), instrument cluster.
HVAC System:
Air conditioning, heating, climate control, blower motor, refrigerant, cabin filter.
Body And Chassis:
Body panel repair, door mechanisms, glass replacement, interior trim, underbody protection.
Scheduled Maintenance:
Oil change intervals, filter replacements, spark plug service, coolant flushes, brake fluid service.
Troubleshooting:
Diagnostic flowcharts, symptom-based troubleshooting guides for common issues.
Engine Repair:
Detailed step-by-step instructions for engine rebuilds, head gasket replacement, timing chain service.
Transmission Repair:
Gearbox rebuild procedures for both manual and automatic transmissions, clutch replacement.
Brake Service:
Brake pad and rotor replacement, caliper service, bleeding the brake system, ABS sensor replacement.
Suspension And Steering Repair:
Replacement of ball joints, tie rod ends, control arm bushings, power steering pump and rack service.
Electrical Diagnostics:
Wiring diagram interpretation, component testing, ECU diagnostics, sensor testing.
HVAC Service:
Refrigerant recharge, leak detection, component replacement (compressor, condenser, evaporator), blower motor replacement.
Body Repair:
Door lock actuator replacement, window regulator repair, body panel alignment.
Torque Specifications:
Detailed torque values for all critical fasteners.
Depth:
Comprehensive, covering basic maintenance to complete engine and transmission rebuilds.
Diagnostic Level:
Advanced, including specific diagnostic codes and troubleshooting procedures.
Wiring Diagrams:
Detailed, system-specific wiring diagrams for all major electrical components.
Illustrations:
High-quality diagrams, schematics, and exploded views of components.
Oil Change:
BMW Condition Based Service (CBS) system or approximately every 7,500 - 10,000 miles (12,000 - 16,000 km).
Air Filter Replacement:
Every 30,000 miles (48,000 km) or as needed.
Cabin Filter Replacement:
Annually or every 15,000 miles (24,000 km).
Spark Plug Replacement:
Every 60,000 miles (96,000 km) with original equipment plugs.
Coolant Flush:
Every 2-3 years or 30,000 miles (48,000 km).
Brake Fluid Flush:
Every 2 years, regardless of mileage.
Cooling System:
Plastic coolant expansion tank can become brittle and crack; water pump failure; thermostat housing leaks.
Oil Leaks:
Valve cover gasket, oil pan gasket, and front crank seal are common leak points.
Suspension:
Worn control arm bushings, ball joints, and strut mounts.
Electrical:
ABS wheel speed sensor failure, VANOS (Variable Valve Timing) solenoid issues, instrument cluster pixel degradation.
Exhaust:
Cracked exhaust manifold, rear muffler rust.
