Repair and Diagnosis

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• Quick Lookups
  • Common Specs & Procedures (F39)
  • Fluids
  • Technical Bulletins
    • Campaigns
    • Safety Recalls
    • Technical Service Bulletins
  • Wiring Diagrams
    • Fuse & Relay Location (X1 F48 & X2 F39)
    • System Wiring Diagrams
    • Using lemon2025'S System Wiring Diagrams
• Accessories & Equipment
  • Accessories Control Systems
    • General Electrical System -- Repair X2 (F39)
    • General Electrical System -- Tightening Torques X2 (F39)
  • Anti-Theft Systems
    • Audio, Navigation, Anti-Theft, Airbag Control -- Repair X2 (F39)
    • Audio, Navigation, Anti-Theft, Airbag Control -- Tightening Torques X2 (F39)
    • Body Equipment -- Repair X2 (1 Of 2) (F39)
    • Body Equipment -- Repair X2 (2 Of 2) (F39)
    • Body Equipment -- Tightening Torques X2 (F39)
    • Electrical Drives -- Repair X2 (F39)
    • Electrical Drives -- Tightening Torques X2 (F39)
    • General Electrical System -- Repair X2 (F39)
    • General Electrical System -- Tightening Torques X2 (F39)
  • Collision/Avoidance
    • Distance Systems, Cruise Control -- Repair X2 (F39)
  • Communication Devices
    • Communication Systems -- Repair X2 (F39)
    • Communication Systems -- Tightening Torques X2 (F39)
  • Cruise Control Systems
    • Distance Systems, Cruise Control -- Repair X2 (F39)
  • Drivers Assistance Systems - ADAS
    • Distance Systems, Cruise Control -- Repair X2 (F39)
  • Entertainment Systems
    • Audio, Navigation, Anti-Theft, Airbag Control -- Repair X2 (F39)
    • Audio, Navigation, Anti-Theft, Airbag Control -- Tightening Torques X2 (F39)
  • Exterior Lights
    • Lights -- Repair X2 (F39)
    • Lights -- Tightening Torques X2 (F39)
  • Gauges & Instrument Panels
    • Body Equipment -- Repair X2 (1 Of 2) (F39)
    • Body Equipment -- Repair X2 (2 Of 2) (F39)
    • Body Equipment -- Tightening Torques X2 (F39)
    • Engine Electrical System -- Repair X2 (F39)
    • Engine Electrical System -- Tightening Torques X2 (F39)
    • Instruments -- Repair X2 (F39)
    • Instruments -- Tightening Torques X2 (F39)
  • Headlights
    • Lights -- Repair X2 (F39)
    • Lights -- Tightening Torques X2 (F39)
  • Horns
    • General Electrical System -- Repair X2 (F39)
    • General Electrical System -- Tightening Torques X2 (F39)
  • Infotainment
    • Audio, Navigation, Anti-Theft, Airbag Control -- Repair X2 (F39)
    • Audio, Navigation, Anti-Theft, Airbag Control -- Tightening Torques X2 (F39)
    • General Electrical System -- Repair X2 (F39)
    • General Electrical System -- Tightening Torques X2 (F39)
  • Interior/Exterior Trim
    • Body Equipment -- Repair X2 (1 Of 2) (F39)
    • Body Equipment -- Repair X2 (2 Of 2) (F39)
    • Body Equipment -- Tightening Torques X2 (F39)
  • Interior/Illumination Lights
    • Lights -- Repair X2 (F39)
    • Lights -- Tightening Torques X2 (F39)
  • Mirrors
    • Body Equipment -- Repair X2 (1 Of 2) (F39)
    • Body Equipment -- Repair X2 (2 Of 2) (F39)
    • Body Equipment -- Tightening Torques X2 (F39)
    • Electrical Drives -- Repair X2 (F39)
    • Electrical Drives -- Tightening Torques X2 (F39)
  • Seats
    • Electrical Drives -- Repair X2 (F39)
    • Electrical Drives -- Tightening Torques X2 (F39)
    • Seats -- Repair X2 (F39)
    • Seats -- Tightening Torques X2 (F39)
  • Steering Column Switches
    • General Electrical System -- Repair X2 (F39)
    • General Electrical System -- Tightening Torques X2 (F39)
  • Window Motors & Regulators
    • Electrical Drives -- Repair X2 (F39)
    • Electrical Drives -- Tightening Torques X2 (F39)
  • Wiper/Washer Systems
    • Electrical Drives -- Repair X2 (F39)
    • Electrical Drives -- Tightening Torques X2 (F39)
    • General Electrical System -- Repair X2 (F39)
    • General Electrical System -- Tightening Torques X2 (F39)
• Body & Frame
  • Door Locks
    • Audio, Navigation, Anti-Theft, Airbag Control -- Repair X2 (F39)
    • Audio, Navigation, Anti-Theft, Airbag Control -- Tightening Torques X2 (F39)
    • Body Equipment -- Repair X2 (1 Of 2) (F39)
    • Body Equipment -- Repair X2 (2 Of 2) (F39)
    • Body Equipment -- Tightening Torques X2 (F39)
    • Electrical Drives -- Repair X2 (F39)
    • Electrical Drives -- Tightening Torques X2 (F39)
    • General Electrical System -- Repair X2 (F39)
    • General Electrical System -- Tightening Torques X2 (F39)
  • Exterior Body Panels
    • Collision - Body Dimensions And Torque Specifications (F39)
    • Collision - Body Panel Repair (F39)
    • Collision - Paint Information (F39)
  • Exterior/Interior Trim
    • Body Equipment -- Repair X2 (1 Of 2) (F39)
    • Body Equipment -- Repair X2 (2 Of 2) (F39)
    • Body Equipment -- Tightening Torques X2 (F39)
  • Mirrors
    • Body Equipment -- Repair X2 (1 Of 2) (F39)
    • Body Equipment -- Repair X2 (2 Of 2) (F39)
    • Body Equipment -- Tightening Torques X2 (F39)
    • Electrical Drives -- Repair X2 (F39)
    • Electrical Drives -- Tightening Torques X2 (F39)
  • Seats
    • Electrical Drives -- Repair X2 (F39)
    • Electrical Drives -- Tightening Torques X2 (F39)
    • Seats -- Repair X2 (F39)
    • Seats -- Tightening Torques X2 (F39)
  • Sun Roof/T-Top/Convertible Top
    • Electrical Drives -- Repair X2 (F39)
    • Electrical Drives -- Tightening Torques X2 (F39)
    • Slide/Tilt Roof -- Tightening Torques X2 (F39)
    • Sunroof -- Repair X2 (F39)
  • Towing Systems
    • Trailer Tow Hitch -- Repair X2 (F39)
    • Trailer Tow Hitch -- Tightening Torques X2 (F39)
  • Windows
    • Electrical Drives -- Repair X2 (F39)
    • Electrical Drives -- Tightening Torques X2 (F39)
• Brakes
  • Anti-Lock Brakes
    • Brakes -- Repair X2 (F39)
    • Brakes -- Tightening Torques X2 (F39)
  • Mechanical - Hydraulic
    • Brakes -- Repair X2 (F39)
    • Brakes -- Tightening Torques X2 (F39)
    • Pedals -- Repair X2 (F39)
    • Pedals -- Tightening Torques X2 (F39)
  • Parking Brake System
    • Brakes -- Repair X2 (F39)
    • Brakes -- Tightening Torques X2 (F39)
  • Traction Control
    • Brakes -- Repair X2 (F39)
    • Brakes -- Tightening Torques X2 (F39)
• Collision
  • Body Panels
    • Collision - Body Panel Repair (F39)
  • Collision - Body Dimensions And Torque Specifications (F39)
  • General Collision Information
    • Collision - Body Dimensions And Torque Specifications (F39)
    • Collision - Body Panel Repair (F39)
  • Paint & Coatings
    • Collision - Paint Information (F39)
  • Plastic Parts
    • Collision - Body Panel Repair (F39)
• Drivelines & Axles
  • Axle Shafts
    • Front Axle -- Repair X2 (F39)
    • Front Axle -- Tightening Torques X2 (F39)
    • Rear Axle -- Repair X2 (F39)
    • Rear Axle -- Tightening Torques X2 (F39)
  • Differentials & Drive Axles
    • Front Axle -- Repair X2 (F39)
    • Front Axle -- Tightening Torques X2 (F39)
    • Rear Axle -- Repair X2 (F39)
    • Rear Axle -- Tightening Torques X2 (F39)
  • Driveshaft & Universal Joints
    • Propeller Shaft - Operating Fluids
    • Propeller Shaft -- Repair X2 (F39)
    • Propeller Shaft -- Tightening Torques X2 (F39)
• Electrical
  • Body Electrical
    • General Electrical System -- Repair X2 (F39)
    • General Electrical System -- Tightening Torques X2 (F39)
  • Charging Systems
    • Engine Electrical System -- Repair X2 (F39)
    • Engine Electrical System -- Tightening Torques X2 (F39)
    • General Electrical System -- Repair X2 (F39)
    • General Electrical System -- Tightening Torques X2 (F39)
  • Fuses & Circuit Breakers
    • Fuse & Relay Location (X1 F48 & X2 F39)
  • Gauges
    • Body Equipment -- Repair X2 (1 Of 2) (F39)
    • Body Equipment -- Repair X2 (2 Of 2) (F39)
    • Body Equipment -- Tightening Torques X2 (F39)
    • Engine Electrical System -- Repair X2 (F39)
    • Engine Electrical System -- Tightening Torques X2 (F39)
    • Instruments -- Repair X2 (F39)
    • Instruments -- Tightening Torques X2 (F39)
  • Horns
    • General Electrical System -- Repair X2 (F39)
    • General Electrical System -- Tightening Torques X2 (F39)
  • Motors, Switches, Relays
    • General Electrical System -- Repair X2 (F39)
    • General Electrical System -- Tightening Torques X2 (F39)
  • Starter
    • Engine Electrical System -- Repair X2 (F39)
    • Engine Electrical System -- Tightening Torques X2 (F39)
  • Wiring Diagrams
    • Fuse & Relay Location (X1 F48 & X2 F39)
    • System Wiring Diagrams
    • Using lemon2025'S System Wiring Diagrams
• Engine Mechanical
  • Accessory Drive Belts
    • Accessory Drive Belt & TENSIONER -- Repair X2 (F39)
    • Engine -- Tightening Torques X2 (F39)
  • Blowers, Superchargers & Turbochargers
    • Engine -- Tightening Torques X2 (F39)
    • Turbocharger -- Repair X2 (F39)
  • Cooling System (Mechanical)
    • Coolant Lines & Heat Management Module -- Repair X2 (F39)
    • Cooling System -- Repair X2 (F39)
    • Cooling System -- Tightening Torques X2 (F39)
    • Engine -- Tightening Torques X2 (F39)
    • Water Pump -- Repair X2 (F39)
  • Exhaust
    • Exhaust System -- Repair X2 (F39)
    • Exhaust System -- Tightening Torques X2 (F39)
  • Fuel System
    • Fuel Supply System -- Repair X2 (F39)
    • Fuel Supply System -- Tightening Torques X2 (F39)
    • Fuel System -- Repair X2 (F39)
    • Fuel System -- Tightening Torques X2 (F39)
  • Lubrication System
    • Engine Oil Filter & Turbocharger Oil Lines -- Repair X2 (F39)
    • Engine Oil Pan -- Repair X2 (F39)
    • Engine Oil Pressure Check -- Repair X2 (F39)
    • Engine Oil Pump -- Repair X2 (F39)
  • Mechanical
    • Accessory Drive Belt & TENSIONER -- Repair X2 (F39)
    • Camshafts -- Repair X2 (F39)
    • Connecting Rod Bearings -- Repair X2 (F39)
    • Crankcase Ventilation System -- Repair X2 (F39)
    • Crankshaft -- Repair X2 (F39)
    • Crankshaft Seal & Timing Case Cover -- Repair X2 (F39)
    • Cylinder Head -- Repair X2 (F39)
    • Engine -- Tightening Torques X2 (F39)
    • Engine And Gearbox Mounting -- Tightening Torques X2 (F39)
    • Engine And Transmission Mounting -- Repair X2 (F39)
    • Engine Assembly -- Repair X2 (F39)
    • Engine Component Carrier -- Repair X2 (F39)
    • Engine Counterbalance Shafts -- Repair X2 (F39)
    • Engine Vacuum Pump -- Repair X2 (F39)
    • Engine Vibration Damper - Repair X2 (F39)
    • Flywheel -- Repair X2 (F39)
    • Intake Plenum -- Repair X2 (F39)
    • Intake/Exhaust Valves & Valve Stem Seals -- Repair X2 (F39)
    • Pistons & Piston Rings -- Repair X2 (F39)
    • Rocker Arms -- Repair X2 (F39)
    • Technical Data -- X2 (F39)
    • Variable Camshaft Timing Control System -- Repair X2 (F39)
    • Variable Valve Lift Control System -- Repair X2 (F39)
  • Starter
    • Engine Electrical System -- Repair X2 (F39)
    • Engine Electrical System -- Tightening Torques X2 (F39)
• Engine Performance
  • Emissions
    • Emission Applications
    • Emission Control Abbreviations
    • State Emission Standards - Diesel
    • State Emission Standards - Gas
  • Engine Control Systems
    • Engine -- Tightening Torques X2 (F39)
    • Fuel System -- Repair X2 (F39)
    • Oxygen Sensors -- Repair X2 (F39)
    • Variable Camshaft Timing Control System -- Repair X2 (F39)
    • Variable Valve Lift Control System -- Repair X2 (F39)
  • Fuel Delivery
    • Fuel Supply System -- Repair X2 (F39)
    • Fuel Supply System -- Tightening Torques X2 (F39)
    • Fuel System -- Repair X2 (F39)
    • Fuel System -- Tightening Torques X2 (F39)
  • Ignition System
    • Engine Electrical System -- Repair X2 (F39)
    • Engine Electrical System -- Tightening Torques X2 (F39)
  • Specifications
    • Firing Order & Cylinder Identification
  • Tune-Up
    • Engine Electrical System -- Repair X2 (F39)
    • Engine Electrical System -- Tightening Torques X2 (F39)
• General Information
  • Abbreviations
    • Commonly Used Abbreviations - General Information
    • Emission Control Abbreviations
  • Basic Trouble Shooting
    • Basic Trouble Shooting - General Information
    • Commonly Used Abbreviations - General Information
    • Emission Control Abbreviations
    • Engine Performance - Trouble Shooting - General Information
  • Brakes
    • Anti-Lock Brake Safety Precautions - General Information
    • Map - Brake Systems
    • Map - Routine Inspection Reference Guide
  • Check Lists
    • Symptom Check List Worksheet - General Information
  • Driveline/Axles
    • Drive Axle Noise Diagnosis - General Information
    • Gear Tooth Contact Patterns - General Information
    • Map - Drive Train & Transmission
    • Trouble Shooting - Clutches - General Information
  • Electrical
    • Map - Electrical Systems
    • Using lemon2025'S System Wiring Diagrams
  • Engine
    • Engine Overhaul Procedures - General Information
    • General Cooling System Service - General Information
  • Engine Performance
    • Electrostatic Discharge Warning - General Information
    • Engine Performance Diagnostic Routine Outline - General Information
    • Engine Performance Safety Precautions
    • Map - Engine Performance & Maintenance
    • Parasitic Load Explanation & Test Procedures - General Information
    • State Emission Standards - Diesel
    • State Emission Standards - Gas
    • Waveforms - Injector Pattern Tutorial - General Information
  • Map - Exhaust Systems
  • Heating, Ventilation & A/C (HVAC)
    • Map - Heating, Ventilation, & Air Conditioning
  • Identification
    • CANADIAN Model Cross-Reference
  • Metric Conversions
    • Engine Displacement Conversion Table - ECAT
    • Metric Conversions
  • OEM General Information
    • Body, Accessories & Equipment Special Tools -- Repair X2 (F39)
    • General Orphan Data (1 Of 2)
    • General Orphan Data (2 Of 2)
    • Maintenance And General Information -- Repair X2 (F39)
    • Maintenance And General Information -- Tightening Torques X2 (F39)
    • Mechanical Special Tools -- Repair X2 (F39)
    • Technical Data -- X2 (F39)
  • Maintenance Reminder Light (Reset Procedures)
  • Specifications Index
    • Common Specs & Procedures (F39)
  • Steering
    • Map - Steering, Suspension, Wheel Alignment, Wheels & Tires
    • Wheel Alignment Theory & Operation - General Information
  • Traction Control Disable Procedures
  • Trouble Shooting - Manual Transmission - General Information
• Heating, Ventilation & A/C (HVAC)
  • A/C Compressor
    • Heating And Air Conditioning -- Repair X2 (F39)
    • Heating And Air Conditioning -- Tightening Torques X2 (F39)
  • HVAC Control Systems
    • Heating And Air Conditioning -- Repair X2 (F39)
    • Heating And Air Conditioning -- Tightening Torques X2 (F39)
• Hybrid/Electric Powertrain
  • Battery Management Systems
    • General Electrical System -- Repair X2 (F39)
    • General Electrical System -- Tightening Torques X2 (F39)
  • Electric Converters and Controllers
    • General Electrical System -- Repair X2 (F39)
    • General Electrical System -- Tightening Torques X2 (F39)
  • Electric Motor Systems
    • Engine Electrical System -- Repair X2 (F39)
    • Engine Electrical System -- Tightening Torques X2 (F39)
• Maintenance
  • Maintenance Reminder Light (Reset Procedures)
• Restraints
  • Air Bag, SRS
    • Audio, Navigation, Anti-Theft, Airbag Control -- Repair X2 (F39)
    • Audio, Navigation, Anti-Theft, Airbag Control -- Tightening Torques X2 (F39)
    • Restraints -- Repair X2 (F39)
    • Restraints -- Tightening Torques X2 (F39)
    • Steering And Wheel Alignment -- Repair X2 (F39)
    • Steering And Wheel Alignment -- Tightening Torques X2 (F39)
• Steering
  • Manual Steering
    • Steering And Wheel Alignment -- Repair X2 (F39)
    • Steering And Wheel Alignment -- Tightening Torques X2 (F39)
  • Power Steering
    • Steering And Wheel Alignment -- Repair X2 (F39)
    • Steering And Wheel Alignment -- Tightening Torques X2 (F39)
  • Steering Column
    • Steering And Wheel Alignment -- Repair X2 (F39)
    • Steering And Wheel Alignment -- Tightening Torques X2 (F39)
  • Steering Gear
    • Steering And Wheel Alignment -- Repair X2 (F39)
    • Steering And Wheel Alignment -- Tightening Torques X2 (F39)
• Suspension
  • Electronic Suspension
    • Integrated Suspension Systems -- Repair X2 (F39)
    • Integrated Suspension Systems -- Tightening Torques X2 (F39)
  • Front Suspension
    • Front Axle -- Repair X2 (F39)
    • Front Axle -- Tightening Torques X2 (F39)
    • Integrated Suspension Systems -- Repair X2 (F39)
    • Integrated Suspension Systems -- Tightening Torques X2 (F39)
  • Rear Suspension
    • Integrated Suspension Systems -- Repair X2 (F39)
    • Integrated Suspension Systems -- Tightening Torques X2 (F39)
    • Rear Axle -- Repair X2 (F39)
    • Rear Axle -- Tightening Torques X2 (F39)
  • Wheel Alignment
    • BMW Wheel Alignment Specifications - X2
    • Steering And Wheel Alignment -- Repair X2 (F39)
    • Steering And Wheel Alignment -- Tightening Torques X2 (F39)
  • Wheels & Tire System
    • Wheel And Tires -- Tightening Torques X2 (F39)
    • Wheels And Tires - Operating Fluids
    • Wheels And Tires -- Repair X2 (F39)
• Transmission
  • Automatic Trans
    • Automatic Transmission -- Repair X2 (F39)
    • Automatic Transmission -- Tightening Torques X2 (F39)
    • Engine And Gearbox Mounting -- Tightening Torques X2 (F39)
    • Engine And Transmission Mounting -- Repair X2 (F39)
    • Gear Shift Mechanism - Operating Fluids
  • Clutch - Operating Fluids
  • Manual Trans
    • Engine And Gearbox Mounting -- Tightening Torques X2 (F39)
    • Engine And Transmission Mounting -- Repair X2 (F39)
    • Gear Shift Mechanism - Operating Fluids
  • Transfer Case
    • Transfer Case -- Repair X2 (F39)
    • Transfer Case -- Tightening Torques X2 (F39)
• External Pages