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Attaching coolant expansion tank

WARNING: Hot surfaces. 
Risk of burning! 
  • Perform all work only on components that have cooled down.
NOTE: RISK OF DAMAGE 
Injectors contaminated with coolant. 
Damage to and failure of injectors that were coated with coolant for an extended period. 
  • Covering injectors with suitable auxiliary materials before testing or topping up the coolant is mandatory.
  • Covering injectors with suitable auxiliary materials before working on the cooling system in the area of the injectors is mandatory.
  • If necessary, draw off all of the coolant from the coolant expansion tank.
  • Always clean injectors or injector shafts contaminated with coolant (e.g. with compressed air).
NOTE: TECHNICAL INFORMATION 
Collect and dispose of emerging fluids. Observe country-specific waste disposal regulations.

Check 

G15699384Courtesy of BMW OF NORTH AMERICA, INC.

Result 

» The foam is damaged and/or porous or loose.

Measure

Measure

Measure

Result 

» Foam is not installed.

Measure

Measure

Measure

NOTE: RISK OF DAMAGE 
Injectors contaminated with coolant. 
Damage to and failure of injectors that were coated with coolant for an extended period. 
  • Covering injectors with suitable auxiliary materials before testing or topping up the coolant is mandatory.
  • Covering injectors with suitable auxiliary materials before working on the cooling system in the area of the injectors is mandatory.
  • If necessary, draw off all of the coolant from the coolant expansion tank.
  • Always clean injectors or injector shafts contaminated with coolant (e.g. with compressed air).
G15699385Courtesy of BMW OF NORTH AMERICA, INC.
CAUTION: Swirling dirt particles caused by compressed air. 
Injury hazard! 
  • Collect dirt particles, e.g. when blowing out, use cloth to do so.
  • Wear safety goggles.
CAUTION: Materials harmful to health. 
Contact with fluids harmful to health! 
  • Note and follow safety instructions on containers.
  • Conduct all work in appropriate personal protective equipment only.