Installing the expansion tank

• Replace rubber plugs (1).

  Parts:  Rubber plugs

  Courtesy of BMW OF NORTH AMERICA, INC.

• Connect expansion tank to the tandem brake master cylinder.
• Replace the retaining screw (1).

  Parts:  Retaining screw

• Fit and tighten the retaining screw (1).
  TIGHTENING TORQUE SPECIFICATION
  
  

  Retaining screw, expansion tank to tandem brake master cylinder
  Replace screw.	Tightening torque	4 Nm

  Courtesy of BMW OF NORTH AMERICA, INC.

• Connect connector (1).
• Hook the cable into holder (2).

  Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work 

• Refer to CONNECTING THE BLEEDER UNIT FOR BRAKE FLUID (AFTER REPAIR, TOPPING UP BRAKE FLUID) .
• Refer to DISCONNECTING THE BLEEDER UNIT FOR THE BRAKE FLUID .
• Refer to INSTALLING THE COVER OF THE ENGINE COMPARTMENT ON THE REAR LEFT .