Engine:
All aspects of the M52TU B25 engine, including tuning, diagnostics, component overhauls, and emissions.
Transmission:
Manual and automatic transmission servicing, repair, clutch replacement, torque converter service, shift mechanism adjustment.
Drivetrain:
Rear-wheel drive system, differential service, driveshaft inspection and repair, axle shafts.
Suspension:
Front and rear suspension systems, shock absorbers, struts, control arms, bushings, wheel bearings, alignment procedures.
Brakes:
Hydraulic brake system, ABS, DSC, brake pad replacement, rotor machining/replacement, caliper servicing, bleeding procedures.
Steering:
Power steering system, steering rack, tie rods, power steering fluid.
Electrical System:
Complete electrical schematics, battery, alternator, starter, lighting systems, power windows, central locking, fuses, relays.
Climate Control:
HVAC system, air conditioning, heating, blower motor, climate control unit diagnostics and repair.
Body And Chassis:
Body panel repair, door mechanisms, interior trim, glass replacement, chassis diagnostics.
Fuel System:
Fuel pump, fuel injectors, fuel filter, fuel pressure regulator, evaporative emission control system.
Cooling System:
Radiator, water pump, thermostat, coolant hoses, cooling fan, coolant specifications.
Exhaust System:
Exhaust manifolds, catalytic converter, mufflers, exhaust hangers, oxygen sensors.
Ignition System:
Spark plugs, ignition coils, crank position sensor, camshaft position sensor.
Emissions Control:
EGR system, PCV system, evaporative emissions (EVAP) system.
Safety Systems:
Airbag system diagnostics and service, seatbelt mechanisms.
Diagnostic Tools:
Information on using BMW's proprietary diagnostic tools (e.g., DIS, GT1) and common OBD-II procedures.
Scheduled Maintenance:
Detailed guidance on routine maintenance tasks and recommended service intervals.
Troubleshooting Diagnostics:
Step-by-step troubleshooting guides for common and uncommon issues, including symptom analysis and repair strategies.
Engine Repair:
Engine overhaul procedures, piston ring replacement, valve stem seals, timing chain service, head gasket replacement.
Transmission Repair:
Complete overhaul of both automatic and manual transmissions, including clutch pack replacement, valve body servicing, and gear replacement.
Brake System Repair:
Brake caliper rebuilding, ABS module diagnostics, brake line replacement, bleeding procedures for various ABS configurations.
Electrical Diagnostics:
Wiring diagrams for all circuits, component testing, troubleshooting faulty sensors and actuators.
Bodywork Repair:
Procedures for repairing dents, rust, replacing body panels, and door handle mechanisms.
Suspension And Steering Repair:
Wheel bearing replacement, control arm bush replacement, steering rack seal replacement, and power steering pump replacement.
Fuel System Service:
Fuel injector cleaning and replacement, fuel pump testing, evaporative emissions system component replacement.
Cooling System Service:
Radiator replacement, thermostat replacement, water pump seal replacement, pressure testing.
HVAC Repair:
Refrigerant system evacuation and recharging, blower motor replacement, climate control module repair.
Depth Of Information:
Comprehensive from basic maintenance to full engine and transmission rebuilds, including detailed electrical schematics and diagnostic procedures.
Diagnostic Coverage:
Covers common fault codes (DTCs) and their likely causes, along with procedures for diagnosis using factory tools and general methods.
Torque Specifications:
Extensive list of torque specifications for all critical fasteners across all vehicle systems.
Special Tools:
Identification and usage instructions for special tools required for specific repair procedures.
Oil Change Interval:
Approximately 7,500 - 10,000 miles or 12-15,000 km (based on BMW's Condition Based Service System - CBS).
Spark Plug Replacement:
Typically around 60,000 miles (100,000 km) for iridium spark plugs.
Coolant Flush:
Recommended every 2-3 years or 30,000-50,000 miles.
Engine Oil:
BMW Longlife-01 (LL-01) or LL-04 approved synthetic oil, SAE 5W-30 or 0W-30.
Coolant:
BMW Blue Antifreeze/Coolant (G48 or equivalent), mixed 50/50 with distilled water.
Power Steering Fluid:
ATF Dexron III or equivalent, or Pentosin CHF 11S for specific hydraulic systems.
Common Problems:
Cracked valve cover gaskets (oil leaks), VANOS solenoid issues, coolant expansion tank leaks, window regulator failures, CCV (Crankcase Ventilation) system issues leading to oil consumption and rough idle.
Typical Repairs:
Replacement of control arm bushings, rear main seal, oil pan gasket, cooling system components.
