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Home >> BMW >> 2025 >> 230i >> Repair and Diagnosis >> External Pages >> Different car >> Section 258 (Exhaust System -- Repair M4 (G82 & G83)) >> 18 32 Exhaust Gas Catalytic Converter >> 18 32 300 Remove and install/replace intermediate pipe (For EU6 rde II) (M4 2021-2023) >> Install the intermediate pipe

Install the intermediate pipe

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NOTE: TECHNICAL INFORMATION 
Mount the exhaust system in a de-energized state, following the tightening sequence from the rear silencer towards the exhaust manifold.

Parts:  Seals

G15298530Courtesy of BMW OF NORTH AMERICA, INC.
TIGHTENING TORQUE SPECIFICATIONS

Exhaust system to intermediate pipe on catalytic converter 
Nuts M8 Tightening torque 
Tightening torque 
5 Nm
24 Nm
G15298531Courtesy of BMW OF NORTH AMERICA, INC.

Replace the screw (1).

Parts:  Screw

Tighten down screw (1).

TIGHTENING TORQUE SPECIFICATIONS

Exhaust system on the transmission crossmember 
M8x25 Replace screw. Tightening Torque 19 Nm
G15298532Courtesy of BMW OF NORTH AMERICA, INC.
TIGHTENING TORQUE SPECIFICATIONS

Exhaust system on the transmission cross member 
M8x25 Replace screw. Tightening Torque 19 Nm
G15298533Courtesy of BMW OF NORTH AMERICA, INC.

Replace the screw (1).

Parts:  Screw

Tighten down screw (1).

TIGHTENING TORQUE SPECIFICATIONS

Exhaust system on the transmission cross member 
M8x25 Replace screw. Tightening Torque 19 Nm
G15298534Courtesy of BMW OF NORTH AMERICA, INC.
TIGHTENING TORQUE SPECIFICATIONS

Exhaust system to holder 
Nut M8 Tightening torque  19 Nm
G15298535Courtesy of BMW OF NORTH AMERICA, INC.