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Home >> BMW >> 2021 >> M440i >> Repair and Diagnosis >> Brakes >> Anti-Lock Brakes >> Brakes -- Repair (G22, G23 & G26) >> 34 31 Brake Master Cylinder >> 34 31 505 Removing and installing/replacing tandem brake master cylinder (vehicles with automatic transmission) (4' Series coupe, convertible, and Gran Coupe sedan) >> Installing the tandem brake master cylinder (vehicles with automatic transmission)

Installing the tandem brake master cylinder (vehicles with automatic transmission)

TIGHTENING TORQUE SPECIFICATION

Tandem brake master cylinder in the brake booster 
Replace nuts.
M8
Tightening torque  23 Nm
G14641165Courtesy of BMW OF NORTH AMERICA, INC.
TIGHTENING TORQUE SPECIFICATION

Brake pipe screw connection/Union screws 
  tightening torque  17 Nm
G14641163Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work