2008 BMW X6 Service and Repair Manual

This 2008 BMW X6 (E71) Service & Repair Manual Covers

Engine & Drivetrain

• N54B30 3.0L Twin Turbo inline-six petrol engine (xDrive35i)
• N62B48 4.8L naturally aspirated V8 petrol engine (xDrive50i)
• M57TU2 3.0L turbo diesel engine (xDrive30d/xDrive35d)
• Bosch DME and DDE engine management diagnostics
• Twin-turbocharger servicing and diagnostics (N54)
• Valvetronic servicing (N62)
• Double VANOS diagnostics
• High-pressure direct fuel injection servicing (N54)
• Diesel common-rail fuel system diagnostics
• Diesel Particulate Filter (DPF) servicing and regeneration
• Engine cooling and lubrication system servicing
• xDrive intelligent all-wheel-drive system diagnostics
• ATC transfer case servicing and calibration
• Front and rear differential servicing
• 6-speed ZF automatic transmission diagnostics and repair
• Driveshaft and axle servicing

Chassis & Suspension

• Double wishbone front suspension servicing
• Integral rear suspension servicing
• Adaptive Drive diagnostics (where equipped)
• Dynamic Performance Control diagnostics
• Electronic Damper Control (EDC)
• Active Roll Stabilization servicing
• Servotronic steering diagnostics
• Wheel alignment specifications

Braking Systems

• Anti-lock Braking System (ABS)
• Dynamic Stability Control (DSC)
• Dynamic Traction Control (DTC)
• Cornering Brake Control (CBC)
• Hill Descent Control (HDC)
• Brake hydraulic system servicing
• Brake Assist diagnostics

Electrical & Wiring

• Complete factory wiring diagrams
• CAN Bus and FlexRay diagnostics
• Car Access System (CAS) diagnostics
• Junction Box Electronics (JBE)
• Footwell Module (FRM) diagnostics
• Intelligent Battery Sensor (IBS) diagnostics
• Charging and starting system diagnostics
• Fuse, relay, and power distribution information
• CCC iDrive navigation, Bluetooth, and multimedia diagnostics

Air Conditioning & HVAC

• Dual-zone automatic climate control diagnostics
• HVAC control module servicing
• Refrigerant recovery and recharge procedures
• Auxiliary heater diagnostics (diesel models)
• Heating and ventilation system repairs

Body & Interior

• Comfort Access diagnostics (where equipped)
• Power tailgate servicing
• Memory seat and steering column diagnostics
• Panoramic glass roof servicing
• Rain and light sensor diagnostics
• Airbag (SRS) system diagnostics
• Interior trim removal and installation
• Exterior body repair procedures

Diagnostics & Troubleshooting

• BMW DIS, ISTA/D, and ISTA/P diagnostic procedures
• Fault code (DTC) diagnostics
• Control module coding and programming
• Component activation and functional testing
• Electrical troubleshooting procedures
• Condition-Based Service (CBS) maintenance functions
• Factory inspection and maintenance schedules

Common Error Codes Covered

This manual provides diagnostic and repair procedures for common BMW manufacturer-specific fault codes, including:

Engine Codes

• 29DC – Cylinder Injection Cut-Off
• 29F2 – High-Pressure Fuel System Fault
• 2A82 – VANOS Intake Variable Camshaft Timing Fault
• 2A87 – VANOS Exhaust Variable Camshaft Timing Fault
• 2C57 – Boost Pressure Control Fault
• 30FF – Turbocharger Underboost Fault
• 3100 – Engine Power Reduction (Boost Deactivation)

Transmission & xDrive Codes

• 54C6 – Transfer Case Oil Wear Fault
• 54C8 – Transfer Case Servo Motor Fault
• 4F85 – Transmission Gear Ratio Monitoring Fault

ABS & Chassis Codes

• 5DF0 – Hydraulic Unit Pump Motor Fault
• 5DB3 – Wheel Speed Sensor Fault
• 5E40 – Steering Angle Sensor Calibration Required

Body & Electrical Codes

• A0B4 – CAS Engine Start Authorization Fault
• A559 – Power Management Fault
• A6CF – Power Window Anti-Trap Fault
• 9C54 – LIN Bus Communication Fault

The manual also includes hundreds of additional BMW-specific engine, transmission, xDrive, electrical, chassis, and body system fault codes, complete wiring diagrams, diagnostic flowcharts, module coding procedures, transfer case calibration procedures, and factory repair specifications.

Who Is This Manual For?

• BMW dealership technicians
• Independent European vehicle repair workshops
• Automotive technicians
• Fleet maintenance professionals
• BMW enthusiasts
• Experienced DIY mechanics

If you are servicing, maintaining, diagnosing, or repairing a 2008 BMW X6 (E71), this factory workshop manual provides the complete procedures and technical information required to perform repairs to BMW factory standards.