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Home >> BMW >> 2009 >> 135i 2D Convertible, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 982 (Exhaust System - Repair (N52K)) >> Exhaust System Complete >> 18 00 020 Removing and installing complete exhaust system (N52, N52K)

18 00 020 Removing and installing complete exhaust system (N52, N52K)

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2013 BMW 128i, 2012 BMW 128i, 2011 BMW 128i, 2010 BMW 128i, and 2009 BMW 128i. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required: 

See FRONT AXLE - SPECIAL TOOLS .

WARNING: Scalding hazard!
These tasks should only be carried out on an exhaust system that has cooled down.
IMPORTANT: Removal of the exhaust system must be carried out with the assistance of a second person.

Necessary preliminary tasks: 

Remove tension strut  . See 31 12 080 REMOVING AND INSTALLING/REPLACING BOTH TENSION STRUTS (FRONT) or 33 32 165 REMOVING AND INSTALLING OR REPLACING TENSION STRUT (REAR) .

Support exhaust system with jack and special tool 31 2 220  and secure against falling out.

Fig 1: Supporting Exhaust System With Jack And Special Tool 31 2 220
G04778255Courtesy of BMW OF NORTH AMERICA, INC.

Unscrew nuts.

Installation: 

Replace self-locking nuts.

Replace seal.

Tightening torque 18 20 1AZ, see 18 20 EXHAUST SYSTEM SUSPENSION .

Fig 2: Locating Self-Locking Nuts
G05758981Courtesy of BMW OF NORTH AMERICA, INC.

Release bolt and remove bracket (1).

Tightening torque 18 20 2AZ, see 18 20 EXHAUST SYSTEM SUSPENSION .

Fig 3: Locating Bolt And Bracket
G05777756Courtesy of BMW OF NORTH AMERICA, INC.

Unfasten screw connection.

Installation: 

Tightening torque 18 20 3AZ, see 18 20 EXHAUST SYSTEM SUSPENSION .

Fig 4: Locating Nut
G05476210Courtesy of BMW OF NORTH AMERICA, INC.

Release screw on right bracket.

Tightening torque 18 20 5AZ, see 18 20 EXHAUST SYSTEM SUSPENSION .

Pull left rear muffler out of rubber mount.

Fig 5: Locating Rubber Mount
G05476212Courtesy of BMW OF NORTH AMERICA, INC.

Pull off vacuum hose (2).

Fig 6: Identifying Vacuum Hose
G05777759Courtesy of BMW OF NORTH AMERICA, INC.

Release rear muffler (1) from rubber mount.

Fig 7: Identifying Rear Muffler
G05777760Courtesy of BMW OF NORTH AMERICA, INC.

Release screws and remove reinforcement plate (1).

Lower exhaust system and remove.

Installation: 

Tightening torque 51 61 7AZ, see 51 61 REINFORCEMENT, BODY (CONVERTIBLE) .

Fig 8: Identifying Reinforcement Plate
G05777761Courtesy of BMW OF NORTH AMERICA, INC.

Add final details to vehicle.

Installation: 

Check exhaust system for leaks.