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Home >> BMW >> 2021 >> 430i 2D Convertible >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Brakes -- Repair (G22, G23 & G26) >> 34 31 Brake Master Cylinder >> 34 31 181 Replacing expansion tank for hydraulic brake actuation (vehicles with automatic transmission) (4' Series coupe, convertible, and Gran Coupe sedan) >> Installing the expansion tank (vehicles with automatic transmission)

Installing the expansion tank (vehicles with automatic transmission)

TIGHTENING TORQUE SPECIFICATION

Retaining screw, expansion tank to tandem brake master cylinder 
Replace screw. Tightening torque  4 Nm
G14641154Courtesy of BMW OF NORTH AMERICA, INC.
G15530460Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work