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Home >> BMW >> 2025 >> 230i >> Repair and Diagnosis >> External Pages >> Different car >> Section 246 (Cylinder Head -- Repair M4 (G82 & G83)) >> 11 12 Cylinder Head With Lid >> 11 12 502 Disassemble and assemble cylinder head (cylinder head removed) (without removal of valves) (M4 2021-2023) >> Installing the trim strip for the exhaust turbocharger for the cylinders 4 to 6 on the cylinder head

Installing the trim strip for the exhaust turbocharger for the cylinders 4 to 6 on the cylinder head

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G15329596Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: TECHNICAL INFORMATION 
When assembling, it is essential to observe screwing sequences and tightening torques.
Failure to comply with the regulations can lead to leaks and damage.
TIGHTENING TORQUE SPECIFICATIONS

Trim strip for exhaust turbocharger on cylinder head
M7X27 10.9
Observe tightening sequence!
Replace screws.
1. Joining torque 
2. Angle of rotation 
20 Nm
90°