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Home >> BMW >> 2023 >> 230i >> Repair and Diagnosis >> External Pages >> Different car >> Section 254 (Cooling System -- Repair M4 (G82 & G83)) >> 17 11 Engine Oil Cooler With Attachment >> 17 11 103 Removing and installing/replacing the coolant expansion tank for the low-temperature coolant circuit (M4 2021-2023) >> Installing the coolant expansion tank for the low-temperature coolant circuit

Installing the coolant expansion tank for the low-temperature coolant circuit

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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.
NOTE: TECHNICAL INFORMATION 
Immobilization period-long fill of coolant! 
Do not reuse used coolant.
When replacing and removing components which rely on the corrosion protection effect of the coolant, it is essential to change the coolant. The cooling system must therefore be emptied and refilled.
In the case of other removal work involving the draining of part quantities of coolant, the coolant level must be topped up with new coolant.
G14903266Courtesy of BMW OF NORTH AMERICA, INC.
G14903265Courtesy of BMW OF NORTH AMERICA, INC.
TIGHTENING TORQUE SPECIFICATIONS

Coolant expansion tank on the low-temperature coolant circuit to charge air cooler 
M6x18 Tightening torque  5.3 Nm
G14903263Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work