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Home >> BMW >> 2021 >> X7 M50i >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Oil Pan, Timing Case Cover, Crankcase Ventilation System, Crankshaft, Flywheel, & Engine Vibration Damper - Repair (G07) >> 11 22 Flywheel >> 11 22 000 Removing and installing/replacing the flywheel (vehicles with 48V mild hybrid system) (X7 xDrive40i 2019-2022) >> Removing flywheel

Removing flywheel

WARNING: Working on 12 V electrical system  .
Risk of short circuits! Risk of fire! 
  • Make sure that there is no charger  connected to the jump start terminal in the engine compartment.
  • Detach battery ground lead from battery.
  • For auxiliary batteries: Detach battery minus cables from all auxiliary batteries.
CAUTION: Heavy component  .
Heavy components can lead to injury or damage  .
  • Remove and install heavy components with the aid of another person/other persons.
NOTE: RISK OF DAMAGE 
Damage to battery terminal, the safety battery terminal or the intelligent battery sensor (IBS)  .
Damaged battery terminals can lead to malfunctions or vehicle electrical system faults  .
  • Detach battery terminal from battery pole by carefully shifting to and fro. Do not pry off using a tool.
NOTE: TECHNICAL INFORMATION 
Only G05 and G07 
On vehicles with an active stabilizer (ARS), the fan cowl must be removed to crank the engine.
For additional information see: 17 11 035 REMOVING AND INSTALLING/REPLACING FAN COWL WITH ELECTRIC FAN

Preliminary work 

CAUTION: Heavy component  .
Heavy components can lead to injury or damage  .
  • Remove and install heavy components with the aid of another person/other persons.
Fig 1: Flywheel Screws Tightening Sequence
G12728464Courtesy of BMW OF NORTH AMERICA, INC.
G10165674Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: RISK OF DAMAGE 
Electrostatic discharge  .
Damage to or destruction of electrical components  .
  • Leave the electrical components in their original packaging until they are being installed. Only use the original packaging for returning the product. Always package removed components straight away.
  • Read and comply with user information on using the associated special tool 12 7 060.
  • Only tap the housings of electrical components. Do not tap pins or multipin connectors directly.
  • Wear electrically conductive clothing and antistatic shoes (with ESD symbol).
  • For additional information see: 61 35... NOTES ON ESD (ELECTROSTATIC DISCHARGE) PROTECTION