Engine Mechanical:
Engine assembly, disassembly, overhaul, diagnostics, cooling system, lubrication system, fuel injection, ignition system
Engine Management:
ECU operation, sensor diagnostics, emission control systems (including NOx sensors, DPF if applicable to specific market variants)
Transmission Manual:
Clutch, gearbox assembly, disassembly, adjustments, clutch hydraulic system
Transmission Automatic:
Automatic transmission assembly, disassembly, torque converter, mechatronics, control modules, fluid servicing
Drivetrain:
Driveshafts, differentials, axles, wheel bearings
Suspension:
Front and rear suspension components, shock absorbers, springs, control arms, bushings, steering knuckles, wheel alignment
Steering:
Power steering system (hydraulic or electric depending on specific build), steering rack, steering column, steering angle sensor
Brakes:
Brake system components (calipers, rotors, pads), hydraulic system, ABS, DSC (Dynamic Stability Control), brake booster, parking brake (mechanical or electronic)
Electrical System:
Battery, alternator, starter motor, wiring diagrams, fuses, relays, lighting systems (headlights, taillights, interior), horn
Body And Chassis:
Body panel removal and installation, doors, hood, trunk, bumpers, interior trim, glass, sunroof, chassis structural components
HVAC:
Heating, ventilation, and air conditioning (HVAC) system, refrigerant servicing, blower motor, climate control module
Infotainment And Comfort:
Radio, navigation system (CCC/CIC), speakers, power seats, heated seats, climate control panel
Preventative Maintenance:
Oil changes, filter replacements (oil, air, cabin), spark plug replacement, fluid checks and flushes
Routine Repairs:
Brake pad/rotor replacement, battery replacement, tire rotation, wiper blade replacement
Engine Diagnostics And Repair:
Troubleshooting engine performance issues, cylinder head removal/installation, piston/ring replacement, valve adjustments
Transmission Service And Repair:
Automatic transmission fluid and filter change, manual transmission clutch replacement, diagnostic procedures for shifting issues
Suspension And Steering Repair:
Replacement of ball joints, tie rod ends, wheel bearings, shock absorbers, steering rack repair/replacement
Brake System Overhaul:
Brake bleeding, caliper rebuild/replacement, ABS sensor replacement, DSC module diagnostics
Electrical Troubleshooting:
Using wiring diagrams to diagnose electrical faults, testing sensors and actuators, component replacement
HVAC System Repair:
Refrigerant recharging, blower motor replacement, evaporator core replacement, heater core replacement
Bodywork And Collision Repair:
Panel replacement, door hinge adjustment, bumper repair, glass replacement
Depth Of Coverage:
Comprehensive (from basic maintenance to complete engine and transmission rebuilds)
Diagnostic Procedures:
Detailed troubleshooting guides, fault code interpretation, diagnostic tool usage (e.g., ISTA/D, INPA)
Torque Specifications:
Included for all critical fasteners
Wiring Diagrams:
Detailed electrical schematics for all vehicle systems
Special Tools:
Identification and usage instructions for BMW-specific tools
Oil Change Interval:
Condition Based Service (CBS) system, typically around 10,000-15,000 miles or as indicated by the vehicle's computer.
Air Filter Replacement:
Typically every 30,000-60,000 miles or as per CBS.
Cabin Filter Replacement:
Typically every 15,000-30,000 miles or annually.
Spark Plug Replacement:
Typically around 60,000 miles for the N52 engine.
Engine Oil Specification:
BMW Longlife-01 (LL-01) or BMW Longlife-04 (LL-04) synthetic oil, typically 0W-30 or 5W-30 (consult manual for precise specification).
Engine Oil Capacity:
Approx. 6.5 liters (6.9 US quarts) with filter change.
Coolant Specification:
BMW Blue Antifreeze (G48) or equivalent (50/50 mix with distilled water).
Brake Fluid Specification:
DOT 4 Low Viscosity (LV) or BMW DOT 4 equivalent.
Common Issues Engine N52:
Eccentric shaft sensor (Vanos solenoid related), oil leaks (valve cover gasket, oil filter housing gasket), PCV system issues, ignition coil failures.
Common Issues Transmission Auto:
Mechatronic unit failure, torque converter issues, valve body problems (often related to fluid degradation).
Common Issues Suspension:
Front control arm bushings, rear shock mounts, steering tie rod ends.
Common Issues Electrical:
Water pump failure (electric, with integrated thermostat), alternator issues, ABS/DSC sensor failures, iDrive system glitches.