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Home >> BMW >> 2021 >> 840i xDrive 2D Convertible >> Repair and Diagnosis >> Brakes >> Parking Brake System >> Brakes -- Repair (G14, G15, & G16) >> 34 51 Mechanical-Hydraulic Components >> 34 51 601 Replacing hydraulic unit (after vehicle diagnosis) (without programming/encoding ) (all 8' series models 2019-2023) >> Installing the hydraulic unit

Installing the hydraulic unit

NOTE: TECHNICAL INFORMATION 
Maintain conditions of absolute cleanliness.
TIGHTENING TORQUES SPECIFICATION

Hydraulic unit to pedal bracket
Replace nuts.
M8
1x retightening at hydraulic unit after 10 min.
tightening torque  22 Nm
G14194126Courtesy of BMW OF NORTH AMERICA, INC.
G14194133Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: TECHNICAL INFORMATION 
Do not interchange brake lines. Mark the brake lines before disassembly (for example, VL/VR/HR/HL). 
Do not bend brake lines.
Close off connecting bores with seal plugs.
G14366911Courtesy of BMW OF NORTH AMERICA, INC.
TIGHTENING TORQUES SPECIFICATION

Brake pipe screw connection/Union screws
tightening torque  17 Nm
G14366909Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work