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Home >> BMW >> 2021 >> X4 M40i >> Repair and Diagnosis >> Engine Mechanical >> Blowers, Superchargers & Turbochargers >> Turbocharger -- Repair (G02) >> 11 65 Turbocharger >> 11 65 020 Removing and installing/replacing turbocharger (X4 xDrive30i 2019-2021) >> Installing turbocharger

Installing turbocharger

G12701400Courtesy of BMW OF NORTH AMERICA, INC.
G12701396Courtesy of BMW OF NORTH AMERICA, INC.
TIGHTENING TORQUES SPECIFICATION

Exhaust manifold to cylinder head 
Flange nut M7
Replace nuts.
1. Joining torque  10 Nm
2. Joining torque  10 Nm
3. Joining torque  16 Nm
4. tightening torque  16 Nm
Fig 1: Exhaust Manifold Nuts Tightening Sequence
G12701395Courtesy of BMW OF NORTH AMERICA, INC.
G12701394Courtesy of BMW OF NORTH AMERICA, INC.
TIGHTENING TORQUES SPECIFICATION

Heat shield to cylinder head 
M8 x 12 Tightening torque  19 Nm
G12701393Courtesy of BMW OF NORTH AMERICA, INC.
TIGHTENING TORQUES SPECIFICATION

Heat shield to cylinder head 
M8 x 12 Tightening torque  19 Nm
TIGHTENING TORQUES SPECIFICATION

Heat shield to trim strip 
M6 x 12 Tightening torque  8 Nm
G12701392Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work