Engine Mechanical:
Detailed disassembly, assembly, torque specifications, cylinder head, crankshaft, pistons, connecting rods, timing system (VANOS, Valvetronic), lubrication system, cooling system.
Engine Performance:
Fuel injection system (Bosch DME), ignition system, emissions control, exhaust system, intake system, turbocharger/supercharger (if applicable - N52 is naturally aspirated).
Drivetrain X Drive:
xDrive all-wheel-drive system operation, transfer case, front/rear differentials, drive shafts, CV joints, wheel hub assemblies, AWD control module diagnostics.
Transmission Automatic:
ZF 6HP automatic transmission (e.g., 6HP19/6HP26), transmission control unit (TCU), hydraulic control, torque converter, clutch packs, mechatronics unit, fluid types, filling procedures, diagnostic trouble codes.
Suspension Steering:
Front/rear suspension components (struts, shocks, control arms, bushings, sway bars), power steering system (hydraulic), steering rack, steering column, wheel alignment specifications.
Brakes:
Front/rear brake systems (vented discs, calipers), ABS (Anti-lock Braking System), DSC (Dynamic Stability Control), brake fluid specifications, bleeding procedures, parking brake system.
Electrical Body Control:
Body Control Module (BCM), lighting systems (headlights, taillights, interior), power windows, mirrors, locks, wipers, horn, comfort features, keyless entry, central locking.
Climate Control:
Automatic climate control (IHKA), HVAC components (compressor, condenser, evaporator, blower motor), refrigerant, refrigerant recovery/recharge procedures, cabin air filter replacement.
Infotainment Navigation:
iDrive system (CCC or CIC depending on specific build date within 2007), professional radio, navigation system, Hi-Fi audio, Bluetooth connectivity, control modules.
Safety Airbags:
Airbag system (SRS), seat belt pre-tensioners, occupant sensors, airbag control module, diagnostic procedures, safety precautions during airbag system work.
Scheduled Maintenance:
Oil change intervals, filter replacements (oil, air, cabin), spark plug replacement, coolant flush, brake fluid flush, differential fluid changes, transmission fluid checks/changes.
Engine Repair:
Engine removal/installation, cylinder head gasket replacement, piston ring replacement, crankshaft seal replacement, timing chain service, oil pan gasket replacement.
Transmission Repair:
Automatic transmission fluid and filter change, mechatronic sleeve replacement, valve body diagnosis and repair, transmission control module (TCM) relearn procedures.
Brake Service:
Brake pad and rotor replacement, brake caliper service, brake fluid flush, ABS/DSC component testing and replacement.
Electrical Diagnostics:
Using diagnostic tools (e.g., ISTA/D, INPA), reading fault codes, live data monitoring, component testing, wiring harness troubleshooting, fuse and relay identification.
Troubleshooting Guides:
Symptom-based troubleshooting for common issues, diagnostic flowcharts, identification of potential causes for various vehicle malfunctions.
Body Panel Repair:
Door panel removal, bumper cover replacement, headlight/taillight assembly removal and installation, minor bodywork adjustments.
Depth Level:
Comprehensive: Covers basic maintenance to complex engine and transmission overhauls, including detailed diagnostic procedures and wiring schematics.
Oil Change Interval:
Variable via Condition Based Service (CBS) system, typically 10,000-15,000 miles or 12-24 months.
Air Filter Replacement:
Approximately 30,000 miles or as indicated by CBS.
Cabin Filter Replacement:
Approximately 15,000 miles or 12 months.
Spark Plug Replacement:
Around 100,000 miles for N52 engine (check specific BMW recommendations for exact interval).
Brake Fluid Flush:
Every 2 years, regardless of mileage.
Engine Oil Type:
BMW Longlife-01 (LL-01) or Longlife-01 FE (LL-01 FE) synthetic oil, 0W-30 or 5W-30.
Engine Oil Capacity:
6.9 US quarts (6.5 liters) with filter change.
Coolant Type:
BMW Blue Antifreeze/Coolant (G48) or equivalent.
Power Steering Fluid:
BMW ATF Dexron III or Pentosin CHF 11S (verify specific recommendation for E60).
Oil Leaks:
Common leaks from valve cover gasket, oil filter housing gasket, oil pan gasket, and vacuum pump seal on N52 engines.
Cooling System:
Water pump failure (electric), thermostat failure, coolant expansion tank leaks.
Pcv System:
Crankcase Ventilation (CCV) system failure can lead to oil consumption and seal leaks.
Transmission Mechatronics:
Mechatronics sleeve leaks in automatic transmissions can cause diagnostic issues and shifting problems.
Suspension Bushings:
Wear and tear on control arm bushings and sway bar links, leading to clunking noises and compromised handling.