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Home >> BMW >> 2021 >> X4 xDrive30i >> Repair and Diagnosis >> Engine Mechanical >> Exhaust >> Exhaust System -- Repair (G02) >> 18 32 Catalytic Converter >> 18 32 005 Removing and installing/replacing catalytic converter (X4 M40i 2019) >> Install catalytic converter

Install catalytic converter

Prepare for the installation of the catalytic converter 

G12730983Courtesy of BMW OF NORTH AMERICA, INC.
TIGHTENING TORQUE SPECIFICATIONS

Catalytic converter to exhaust turbocharger 
V-band clamp
Replace V-band clamp.
Tightening torque  19 Nm
G12730979Courtesy of BMW OF NORTH AMERICA, INC.
TIGHTENING TORQUE SPECIFICATIONS

Catalytic converter to holder 
M8 copper-plated nut
Replace nut.
Tightening torque  28 Nm
M8 zinc-plated nut Tightening torque  19 Nm
G12730980Courtesy of BMW OF NORTH AMERICA, INC.

If installed: Installing differential pressure sensor 

Installing differential pressure sensor 

TIGHTENING TORQUE SPECIFICATIONS

Differential pressure sensor to holder 
hexagon nut M6 Tightening torque  8 Nm
G14298929Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work