Engine:
Detailed diagnostics, repair, and overhaul for the N52B30 (3.0L Inline-6) engine, including VANOS, Valvetronic, lubrication, cooling, fuel, and emissions systems.
Transmission:
Coverage for both the GM 6-speed automatic transmission (GA6HP19Z) and manual transmission, including removal, installation, fluid changes, internal repairs, and electronic control module (TCM) diagnostics.
Drivetrain:
Front suspension, rear multi-link suspension, steering system (hydraulic power steering), driveshafts, differential, and wheel bearings.
Brakes:
Front and rear disc brakes, ABS (Anti-lock Braking System), DSC (Dynamic Stability Control), brake fluid specifications, bleeding procedures, component replacement (calipers, rotors, pads, sensors).
Electrical System:
Comprehensive electrical schematics, fuse box diagrams, starter, alternator, battery, lighting systems (headlights, taillights, interior), power windows, mirrors, seats, and body control modules.
Comfort Systems:
HVAC (heating, ventilation, and air conditioning) system operation, refrigerant, component testing (compressor, blower motor, climate control module), and seat heating/ventilation.
Body And Chassis:
Body panel removal and installation, door mechanisms, convertible top operation (if applicable to 528i Touring), structural components, and corrosion protection.
Safety Systems:
Airbag system (SRS), seat belt pre-tensioners, crash sensor locations, and diagnostics for restraint systems.
Infotainment And Electronics:
iDrive system operation, radio/audio system, navigation, telematics (ConnectedDrive components), instrument cluster, and diagnostic trouble codes (DTCs).
Maintenance:
Scheduled maintenance intervals, oil changes, filter replacements (oil, air, cabin, fuel), spark plug replacement, brake pad/rotor replacement, fluid checks and top-offs.
Repair And Overhaul:
Engine rebuild procedures, transmission overhaul, suspension component replacement (struts, control arms, bushings), steering rack replacement, brake caliper rebuilding, and power steering pump replacement.
Diagnostics:
Troubleshooting common issues, interpreting diagnostic trouble codes (DTCs) using OBD-II scanners, component testing procedures, and diagnostic flowcharts.
Electrical Troubleshooting:
Tracing electrical faults using wiring diagrams, testing sensors and actuators, diagnosing module communication errors, and repairing wiring harness issues.
Installation And Replacement:
Step-by-step guides for replacing major components such as alternators, starters, fuel pumps, water pumps, thermostats, ignition coils, and sensors.
Calibration And Adaptation:
Procedures for resetting service indicators, throttle body adaptation, steering angle sensor calibration, and other electronic module initializations.
Depth:
Comprehensive, covering everything from basic preventative maintenance to complete engine and transmission rebuilds, including detailed component specifications and torque values.
Diagnostics Level:
Advanced diagnostic procedures, including interpretation of live data streams, component activation tests, and complex electrical system troubleshooting.
Component Detail:
Detailed exploded views, part identification, and specifications for all major mechanical and electrical components.
Oil Change Interval:
Typically every 15,000 miles or 12 months, dictated by the Condition Based Service (CBS) system and oil quality sensor.
Brake Fluid Flush:
Every 2 years, regardless of mileage.
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) SAE 5W-30 or 0W-30 synthetic oil.
Coolant Specification:
BMW Blue Antifreeze/Coolant (G48) mixed 50/50 with distilled water.
Power Steering Fluid:
Pentosin CHF 11S or equivalent.
Engine Oil Capacity:
Approx. 6.5 liters (with filter change)
Coolant Capacity:
Approx. 9.5 liters
Common Problems:
Valve cover gasket leaks, oil pan gasket leaks, PCV valve failure (leading to vacuum leaks), water pump and thermostat failures, VANOS solenoids/actuators, ignition coil failures, and sometimes eccentric shaft sensor issues.
Typical Repairs:
Replacement of valve cover gaskets, oil pan gaskets, PCV system components, water pump, thermostat, ignition coils, and spark plugs.