Necessary preliminary tasks
WARNING: This page does not describe the selected car, but rather 15 other vehicles, including the 2015 BMW Alpina B7L, 2015 BMW Alpina B7, 2014 BMW Alpina B7L, 2014 BMW Alpina B7, and 2013 BMW Alpina. However, it is still accessible from the selected car via links, so may be relevant.
- Remove IGNITION COILS
- Remove intercooler on left and right. See REMOVING AND INSTALLING/REPLACING RIGHT CHARGE AIR COOLER (N63) and REMOVING AND INSTALLING/REPLACING LEFT CHARGE AIR COOLER (N63) .
- Partially remove WIRING HARNESS for engine
- Partially remove WIRING HARNESS for injectors
- Detach BATTERY POSITIVE LEAD from battery positive terminal, partially remove battery positive lead
- Remove FLUID RESERVOIR for power steering
- Remove suction line for power steering. See REPLACING SUCTION LINE FOR POWER STEERING (FROM CONNECTING PIECE TO VANE PUMP) and REPLACING SUCTION LINE FOR POWER STEERING (FROM FLUID RESERVOIR TO CONNECTING PIECE) .
- Remove coolant EXPANSION TANK
- Remove ELECTRONICS BOX
- Remove WATER VALVE for heater/air conditioner and lay water hoses to one side
- Detach tank vent line from tank venting valve and point of separation
- Remove suspension cross-braces on left and right. See REMOVING AND INSTALLING/REPLACING LEFT (REAR) SUSPENSION CROSS-BRACE and REMOVING AND INSTALLING/REPLACING RIGHT (REAR) SUSPENSION CROSS-BRACE .
- Remove ACOUSTIC INSULATION for bulkhead on left and right
- Drain off AIR CONDITIONING SYSTEM
Release screw (1).
Tightening torque 64 53 3AZ .
Detach A/C line (2) and place to one side.
Replace sealing ring on A/C line.
Slacken nut (1).
Tightening torque 12 42 7AZ .
Remove battery positive lead (2) and place to one side.
Clamp off fuel delivery line. Seal off fuel lines with special tools (1) 13 5 160 and (2) 13 5 162.
Catch and dispose of escaping fuel.