Engine Mechanical:
        
        
            Detailed overhaul, inspection, and repair procedures for engine components.
        
     
    
        
            Engine Management:
        
        
            Diagnosis and repair of DME (Digital Motor Electronics), sensors, actuators, and emission control systems.
        
     
    
        
            Fuel System:
        
        
            Fuel pump, injectors, fuel pressure regulator, and tank servicing.
        
     
    
        
            Cooling System:
        
        
            Radiator, water pump, thermostat, hoses, and fan assembly repair and maintenance.
        
     
    
        
            Lubrication System:
        
        
            Oil pump, oil filter, oil pan, and lubrication circuit troubleshooting.
        
     
    
        
            Ignition System:
        
        
            Ignition coils, spark plugs, and ignition timing diagnostics.
        
     
    
        
            Transmission Manual:
        
        
            SMG (Sequential Manual Gearbox) and manual gearbox repair, clutch replacement, and fluid specifications.
        
     
    
        
            Transmission Automatic:
        
        
            GM 5L475-E automatic transmission repair, torque converter servicing, and mechatronics diagnosis.
        
     
    
        
            Drivetrain:
        
        
            Driveshafts, CV joints, differential, and rear axle assembly repair.
        
     
    
        
            Suspension Front:
        
        
            MacPherson strut, control arms, bushings, and wheel bearing replacement.
        
     
    
        
            Suspension Rear:
        
        
            Multi-link suspension, control arms, springs, and shock absorber servicing.
        
     
    
        
            Brakes Front:
        
        
            Brake calipers, rotors, pads, and brake line replacement and bleeding procedures.
        
     
    
        
            Brakes Rear:
        
        
            Rear brake components, parking brake mechanism, and ABS/DSC sensor servicing.
        
     
    
        
            Steering System:
        
        
            Power steering pump, steering rack, tie rods, and steering column repair.
        
     
    
        
            Electrical System Body:
        
        
            Interior and exterior lighting, power windows, mirrors, door locks, and comfort access systems.
        
     
    
        
            Electrical System Engine:
        
        
            Starter motor, alternator, battery, and wiring harness diagnosis and repair.
        
     
    
        
            Bodywork Exterior:
        
        
            Panel removal and installation, bumper repair, and trim component servicing.
        
     
    
        
            Bodywork Interior:
        
        
            Seat removal, dashboard disassembly, and interior trim panel servicing.
        
     
    
        
            Climate Control:
        
        
            HVAC system diagnosis, blower motor, evaporator, and refrigerant servicing.
        
     
    
        
            Safety Systems:
        
        
            Airbag system diagnosis and SRS component replacement procedures.
        
     
    
    
        
            Routine Maintenance:
        
        
            Oil changes, filter replacements, fluid checks, and general inspection procedures.
        
     
    
        
            Troubleshooting:
        
        
            Diagnostic flowcharts, symptom-based troubleshooting guides, and fault code interpretations.
        
     
    
        
            Component Replacement:
        
        
            Step-by-step instructions for replacing major and minor vehicle components.
        
     
    
        
            Major Overhaul:
        
        
            Complete engine and transmission rebuild procedures.
        
     
    
        
            Electrical Diagnostics:
        
        
            Wiring diagrams, connector pinouts, and component testing methods.
        
     
    
        
            Suspension Alignment:
        
        
            Wheel alignment specifications and procedures.
        
     
    
        
            Brake Bleeding:
        
        
            Proper procedures for bleeding brake systems, including ABS units.
        
     
    
        
            Diagnostic Tool Usage:
        
        
            Information on using BMW-specific diagnostic tools (e.g., DIS, ISTA) for advanced diagnostics.
        
     
    
    
        
            Depth:
        
        
            Comprehensive and detailed, suitable for professional technicians and advanced DIYers.
        
     
 
    
    
    
    
    
        
            Type:
        
        
            5-Speed Automatic (with Steptronic)
        
     
    
    
        
            Manual Gear Ratios:
        
        
            1st: 4.06, 2nd: 2.40, 3rd: 1.57, 4th: 1.19, 5th: 1.00, 6th: 0.87, Reverse: 3.55
        
     
    
        
            Automatic Gear Ratios:
        
        
            1st: 3.23, 2nd: 2.19, 3rd: 1.42, 4th: 1.00, 5th: 0.73, Reverse: 2.25
        
     
    
    
        
            Automatic Transmission Fluid:
        
        
            BMW ATF LT-3 (e.g., Pentosin ATF1)
        
     
    
        
            Manual Transmission Fluid:
        
        
            BMW MTF LT-2 (e.g., Castrol Syntrans B)
        
     
 
    
    
    
        
            Oil Change Interval:
        
        
            BMW Condition Based Service (CBS) system, typically 10,000-15,000 miles or annually.
        
     
    
        
            Spark Plug Replacement:
        
        
            Approximately 60,000 miles (check manual for specific type)
        
     
    
        
            Coolant Flush Interval:
        
        
            Every 2-4 years or as indicated by CBS.
        
     
    
    
    
        
            Power Steering Fluid Type:
        
        
            Pentosin CHF 11S or equivalent
        
     
    
        
            Coolant Type:
        
        
            BMW Blue Coolant (G48 Ethylene Glycol based)
        
     
    
    
        
            E46 Common Problems:
        
        
            Rear subframe mounting points cracking, VANOS (Variable Valve Timing) solenoid issues, oil pan gasket leaks, coolant expansion tank cracks, CCV (Crankcase Ventilation) system failure.