Engine Mechanical:
Complete overhaul, diagnostics, timing systems, cooling, lubrication, fuel delivery
Engine Management Electrical:
ECU diagnostics, sensor identification and testing, ignition system, fuel injection control
Transmission Manual:
Clutch system, gearshift mechanism, internal component repair, fluid service
Transmission Automatic:
Torque converter, valve body, electronic control unit, solenoids, fluid and filter replacement
Drivetrain:
Driveshafts, CV joints, differential, wheel bearings
Suspension Front:
Struts, control arms, ball joints, sway bars, steering linkage
Suspension Rear:
Multi-link suspension components, shock absorbers, control arms, subframe
Braking System:
Hydraulic system, ABS/DSC components, brake pads, rotors, calipers, bleeding procedures
Steering System:
Power steering pump, rack and pinion, steering column, alignment specifications
Cooling System:
Radiator, water pump, thermostat, hoses, fan assembly, coolant types
Fuel System:
Fuel pump, injectors, fuel filter, fuel pressure regulation, evaporative emissions
Exhaust System:
Catalytic converter, mufflers, exhaust manifold, gasket replacement
Electrical System Lighting:
Headlights, taillights, interior lighting, bulb types, wiring diagrams
Electrical System Accessories:
Power windows, locks, mirrors, sunroof, wipers, horn
Climate Control HVAC:
A/C system operation, refrigerant handling, blower motor, cabin filter, heater core
Body Exterior:
Panel removal and installation, trim pieces, bumpers, doors, hood, trunk lid
Body Interior:
Dashboard removal, seat removal, trim panels, headliner
Safety Systems:
Airbag system diagnostics and replacement, seatbelt mechanisms
Routine Maintenance:
Oil changes, filter replacements, spark plug replacement, fluid checks and top-offs
Scheduled Maintenance:
Inspection points based on mileage and time
Troubleshooting Diagnostics:
System-specific diagnostic charts, fault code interpretation
Component Replacement:
Step-by-step instructions for replacing key components
Rebuilding Overhaul:
Detailed procedures for engine, transmission, and differential rebuilds
Electrical Diagnostics:
Wiring diagrams, connector pinouts, voltage drop testing
Specifications Torques:
Precise torque values for all fasteners
Depth:
Comprehensive, from basic DIY maintenance to advanced mechanical and electrical repair
Diagnostic Tools Requirements:
Information on necessary diagnostic tools (e.g., OBD-II scanner, multimeter, specialized BMW tools)
Oil Change:
Typically every 7,500-10,000 miles or 12 months, using BMW Longlife-01 approved oil (check manual for specifics)
Inspect Engine Oil Filter:
With every oil change
Inspect Brake System:
Every 12,000 miles or 12 months
Replace Cabin Air Filter:
Every 15,000-30,000 miles or 24 months
Replace Spark Plugs:
Typically around 60,000-100,000 miles for iridium plugs (check manual for exact type/interval)
Coolant Flush:
Every 30,000-60,000 miles or 3-5 years
Engine Oil Type:
SAE 5W-30 or 5W-40, BMW Longlife-01 specification recommended (e.g., Castrol Syntec or similar)
Coolant Type:
BMW Blue Antifreeze/Coolant (G48), mixed 50/50 with distilled water
Brake Fluid Type:
DOT 4 (BMW approved)
Transmission Fluid Manual:
MTF LT-1 or LT-2 (BMW spec)
Transmission Fluid Automatic:
ZF Lifeguardfluid 5 (or equivalent approved fluid)
Cooling System Weaknesses:
Plastic expansion tank can crack, water pump failure (plastic impeller), thermostat housing leaks
Suspension Components:
Front control arm bushings (vibrations), rear shock mounts
Ccv System:
Crankcase Ventilation (CCV) system can clog, leading to oil leaks and poor running
Oil Pan Gasket Leaks:
Common due to age and material degradation
Window Regulator Failure:
Plastic components can break, causing windows to drop
ABS Wheel Speed Sensors:
Failure can cause ABS and DSC warning lights
