Engine Mechanical:
Complete overhaul, diagnostics, timing, lubrication, cooling, fuel delivery
Engine Electrical:
Ignition system, starter, alternator, sensors (MAF, O2, Crankshaft, Camshaft), ECU troubleshooting
Transmission:
Automatic (GA6HP19Z) and Manual (Getrag GS6-37BZ) overhaul, diagnostics, fluid service, electronic control
Drivetrain:
xDrive all-wheel drive system, transfer case, front and rear differentials, driveshafts, CV joints
Suspension:
Front struts, control arms, ball joints, rear multi-link suspension, shock absorbers, springs, sway bars
Steering:
Power steering system, steering rack, tie rods, steering column
Brakes:
ABS, DSC (Dynamic Stability Control), EBD, brake hydraulics, pads, rotors, calipers, parking brake
Electrical System:
Wiring diagrams, fuses, relays, lighting system, power windows, locks, mirrors, comfort access
HVAC:
Air conditioning system, heating, ventilation, climate control module, blower motor, refrigerant service
Body And Chassis:
Body panels, doors, hood, trunk, glass, interior trim, chassis components
Body Electronics:
Central body electronics module (ZKE/BDC), keyless entry, alarm system, interior lighting
Infotainment And Navigation:
iDrive system (CCC/CIC), audio system, navigation unit, display module, telematics
Routine Maintenance:
Oil changes, filter replacements, spark plug service, brake fluid flush, coolant flush, cabin air filter replacement
Component Replacement:
Alternator, starter motor, fuel pump, water pump, thermostat, engine mounts, suspension components
Diagnostics Troubleshooting:
Step-by-step diagnostic procedures for common and complex issues, fault code interpretation
Engine Rebuild:
Detailed instructions for engine disassembly, inspection, measurement, and reassembly
Transmission Service:
Fluid and filter replacement, torque converter service, valve body diagnostics
Brake System Repair:
Brake pad/rotor replacement, caliper overhaul, bleeding procedures, ABS/DSC component testing
Electrical Component Testing:
Testing of sensors, actuators, control modules using multimeters and diagnostic tools
Body Work And Paint:
Panel alignment, rust repair, minor body panel replacement (e.g., fenders, doors)
HVAC System Repair:
Leak detection, component replacement (compressor, condenser, evaporator), refrigerant recharging
Wheel Alignment And Balancing:
Alignment specifications, balancing procedures
Depth Of Information:
Comprehensive, from basic DIY maintenance to advanced engine and transmission rebuilds
Diagnostic Capability:
Detailed diagnostic trees and procedures, often requiring BMW-specific diagnostic tools (e.g., ISTA/D, INPA)
Torque Specifications:
All critical fastener torque values provided for engine, chassis, and body components
Wiring Diagrams:
Detailed electrical schematics for all vehicle systems
Special Tools:
Identification and usage instructions for specialized BMW tools required for specific repairs
Oil Change Interval:
Typically based on Condition Based Service (CBS) system, generally around 10,000-15,000 miles or 12-24 months.
Spark Plug Replacement:
Around 60,000-100,000 miles, depending on plug type and driving conditions.
Brake Fluid Flush:
Every 2 years, regardless of mileage.
Coolant Flush:
BMW Blue Coolant, typically at 45,000-60,000 miles or 4-5 years.
Engine Oil Capacity:
Approx. 6.5 US quarts (6.2 liters) with filter change. Check specific model year.
Engine Oil Specification:
BMW Longlife-01 (LL-01) or BMW Longlife-04 (LL-04) synthetic oil, typically SAE 0W-30 or 5W-30.
Coolant Type:
BMW Blue Antifreeze/Coolant (G48 chemistry) mixed 50/50 with distilled water.
Power Steering Fluid:
Pentosin CHF 11S or equivalent (Green fluid).
Valve Cover Gasket Leaks:
Common on N52 engines, often due to aging gaskets and PCV system failures.
Oil Pan Gasket Leaks:
Another common leak point on the N52 engine.
Water Pump And Thermostat Failures:
Electric water pumps and thermostats can fail prematurely, often without warning.
Pcv System Issues:
Clogged Positive Crankcase Ventilation (PCV) valve or integrated breather hose can lead to vacuum leaks and oil consumption.
Hpfp Failures:
High-Pressure Fuel Pump (HPFP) issues were more prevalent in earlier models of the N54 engine, less so for the N52.
Xdrive Transfer Case Issues:
Infrequent but possible issues with the transfer case actuator or fluid.