LEMON Manuals: Even more car manuals for everyone
Home >> BMW >> 2017 >> 440i 2D Convertible >> Repair and Diagnosis >> Engine Mechanical >> Exhaust >> Exhaust System - Repair (F32, F33 & F36) >> 18 32 Catalytic Converter >> 18 32 005 Removing and installing/replacing catalytic converter (B58 6-Cyl. Engine) (4' Series Coupe/Convertible, 4' Series Gran Coupe Sedan) >> Install catalytic converter

Install catalytic converter

Prepare for the installation of the catalytic converter 

Parts:  V-band clamp

G12702456Courtesy of BMW OF NORTH AMERICA, INC.

Parts:  Gasket

G12730983Courtesy of BMW OF NORTH AMERICA, INC.

The clamp (1)  must engage audibly.

G12730981Courtesy 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.

Replace copper-coated nuts (1)  .

Parts:  copper-coated nuts

Tighten copper-plated nuts (1)  .

G12730980Courtesy 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

Follow-up work